This document provides an overview of the evolution and recent advances in all-ceramic dental materials. It discusses early ceramic materials like denture teeth and porcelain jacket crowns from the late 1700s. Key developments include McLean and Hughes' aluminous core porcelain in 1965, In-Ceram in the 1980s using slip casting, and machinable ceramics in the 1990s using CAD/CAM. The document also examines methods to strengthen porcelain, all-ceramic systems like In-Ceram, castable ceramics including Di-Cor and Cerestore, and machinable ceramics. It provides details on the composition, fabrication process, properties and clinical performance of various ceramic materials.
The document provides information on ceramics used in dentistry. It begins with an introduction to ceramics, discussing their history and composition. Ceramics are classified according to their sintering temperature and type. Methods for strengthening brittle ceramics include ion exchange, thermal tempering, and adding dispersion phases. Metal ceramic restorations and all-ceramic restorations are also summarized. Different types of ceramics used in dentistry are described briefly, including conventional powder ceramics, infiltrated ceramics, and castable ceramics.
This document provides an overview of dental ceramics. It discusses the history, structure, composition, properties, classification, and fabrication of dental ceramics. The key points are: Dental ceramics can be crystalline or non-crystalline. Common components include feldspar, silica, alumina, and color pigments. Ceramics are classified based on firing temperature, microstructure, and indications. Metal-ceramic systems involve a cast metal framework with ceramic layers bonded to it. The fabrication process involves building and firing layers of ceramic powder to form the final restoration.
Dicor and cerestore /certified fixed orthodontic courses by Indian dental ac...Indian dental academy
Welcome to Indian Dental Academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy has a unique training program & curriculum that provides students with exceptional clinical skills and enabling them to return to their office with high level confidence and start treating patients
State of the art comprehensive training-Faculty of world wide repute &Very affordable.
This document provides an overview of dental ceramics and CAD-CAM systems. It discusses the historical background, classification, composition, properties, and fabrication methods of ceramic restorations. Key points include that ceramics are classified based on their content, use, processing method, and firing temperature. Their composition includes feldspar, kaolin/clay, quartz, glass formers, modifiers, and coloring agents. Fabrication involves condensation, firing, and glazing techniques. All-ceramic restorations such as porcelain jacket crowns, alumina-reinforced ceramics, castables, pressables, infiltrated ceramics, and CAD-CAM systems are summarized.
brief description about pressable ceramicsCONTENTS: • Introduction • Definition For Dental Ceramics • Definition For Pressable Ceramics • History • Various All Ceramic Systems • Classification • Pressable Ceramics • History • Generation Of Pressable Ceramics • Cerestore – Development Fabrication Advantage Disadvantage 2
3. IPS Empress - Materials And Composition Special Furnace Fabrication Advantage Disadvantage IPS Empress 2- INDICATION Properties Fabrication Method Advantage Disadvantage IPS Emax Press - Microstructure Composition Properties OPC 3G- Development Indication Properties 3
4. INTRODUCTION There have been significant TECHNOLOGICAL advances in the field of dental ceramics over the last 10 years which have made a corresponding increase in the number of materials available. Improvements in strength, clinical performance, and longevity have made all ceramic restorations more popular and more predictable 4
5. DEFINITION FOR DENTAL CERAMICS⁶ An inorganic compound with non metallic properties typically consisting of oxygen and one or more metallic or semi metallic elements (e.g ;Aluminium, Calcium, Lithium, Mangnesium, Potassium, Sodium, Silicon, Tin , Titanium And Zirconium)that is formulated to produce the whole or part of a ceramic based dental prosthesis 5
6. DEFINITION FOR PRESSABLE CERAMICS ⁶ • A ceramic that can be heated to a specified temperature and forced under pressure to fill a cavity in a refractory mold 6
7. HISTORY OF DENTAL CERAMICS ⁶ • 1789-first porcelain tooth material by a French dentist De Chemant • 1774- mineral paste teeth by Duchateau in England • 1808-terrometallic porcelain teeth by Italian dentist Fonzi • 1817- Planteu introduced porcelain teeth in US • 1837- Ash developed improved version of porcelain teeth 7
8. • 1903 – Dr.Charless introduced ceramic crowns in dentistry he fabricate ceramic crown using platinum foil matrix and high fusing feldspathic porcelain excellent esthetics but low flexural strength resulted in failure • 1965- dental aluminous core Porcelain by Mclean and Huges • 1984- Dicor by Adair and Grossman 8
9. 9
10. VARIOUS ALL CERAMIC SYSTEMS Aluminous core ceramics Slip cast ceramics Heat pressed ceramics Machined ceramics Machined and sintered ceramics Metal reinforced system 10
11. MICROSTRUCTURAL CLASSIFICATION⁵ Category 1: Glass-based systems (mainly silica) Category 2: Glass-based systems (mainly silica) with fillers usually crystalline (typically leucite or a different high-fusing glass) a) Low-to-moderate leucite-
dental ceramics silicate ceramics and oxidceramics/ oral surgery courses Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
The document provides information on ceramics used in dentistry. It begins with an introduction to ceramics, discussing their history and composition. Ceramics are classified according to their sintering temperature and type. Methods for strengthening brittle ceramics include ion exchange, thermal tempering, and adding dispersion phases. Metal ceramic restorations and all-ceramic restorations are also summarized. Different types of ceramics used in dentistry are described briefly, including conventional powder ceramics, infiltrated ceramics, and castable ceramics.
This document provides an overview of dental ceramics. It discusses the history, structure, composition, properties, classification, and fabrication of dental ceramics. The key points are: Dental ceramics can be crystalline or non-crystalline. Common components include feldspar, silica, alumina, and color pigments. Ceramics are classified based on firing temperature, microstructure, and indications. Metal-ceramic systems involve a cast metal framework with ceramic layers bonded to it. The fabrication process involves building and firing layers of ceramic powder to form the final restoration.
Dicor and cerestore /certified fixed orthodontic courses by Indian dental ac...Indian dental academy
Welcome to Indian Dental Academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy has a unique training program & curriculum that provides students with exceptional clinical skills and enabling them to return to their office with high level confidence and start treating patients
State of the art comprehensive training-Faculty of world wide repute &Very affordable.
This document provides an overview of dental ceramics and CAD-CAM systems. It discusses the historical background, classification, composition, properties, and fabrication methods of ceramic restorations. Key points include that ceramics are classified based on their content, use, processing method, and firing temperature. Their composition includes feldspar, kaolin/clay, quartz, glass formers, modifiers, and coloring agents. Fabrication involves condensation, firing, and glazing techniques. All-ceramic restorations such as porcelain jacket crowns, alumina-reinforced ceramics, castables, pressables, infiltrated ceramics, and CAD-CAM systems are summarized.
brief description about pressable ceramicsCONTENTS: • Introduction • Definition For Dental Ceramics • Definition For Pressable Ceramics • History • Various All Ceramic Systems • Classification • Pressable Ceramics • History • Generation Of Pressable Ceramics • Cerestore – Development Fabrication Advantage Disadvantage 2
3. IPS Empress - Materials And Composition Special Furnace Fabrication Advantage Disadvantage IPS Empress 2- INDICATION Properties Fabrication Method Advantage Disadvantage IPS Emax Press - Microstructure Composition Properties OPC 3G- Development Indication Properties 3
4. INTRODUCTION There have been significant TECHNOLOGICAL advances in the field of dental ceramics over the last 10 years which have made a corresponding increase in the number of materials available. Improvements in strength, clinical performance, and longevity have made all ceramic restorations more popular and more predictable 4
5. DEFINITION FOR DENTAL CERAMICS⁶ An inorganic compound with non metallic properties typically consisting of oxygen and one or more metallic or semi metallic elements (e.g ;Aluminium, Calcium, Lithium, Mangnesium, Potassium, Sodium, Silicon, Tin , Titanium And Zirconium)that is formulated to produce the whole or part of a ceramic based dental prosthesis 5
6. DEFINITION FOR PRESSABLE CERAMICS ⁶ • A ceramic that can be heated to a specified temperature and forced under pressure to fill a cavity in a refractory mold 6
7. HISTORY OF DENTAL CERAMICS ⁶ • 1789-first porcelain tooth material by a French dentist De Chemant • 1774- mineral paste teeth by Duchateau in England • 1808-terrometallic porcelain teeth by Italian dentist Fonzi • 1817- Planteu introduced porcelain teeth in US • 1837- Ash developed improved version of porcelain teeth 7
8. • 1903 – Dr.Charless introduced ceramic crowns in dentistry he fabricate ceramic crown using platinum foil matrix and high fusing feldspathic porcelain excellent esthetics but low flexural strength resulted in failure • 1965- dental aluminous core Porcelain by Mclean and Huges • 1984- Dicor by Adair and Grossman 8
9. 9
10. VARIOUS ALL CERAMIC SYSTEMS Aluminous core ceramics Slip cast ceramics Heat pressed ceramics Machined ceramics Machined and sintered ceramics Metal reinforced system 10
11. MICROSTRUCTURAL CLASSIFICATION⁵ Category 1: Glass-based systems (mainly silica) Category 2: Glass-based systems (mainly silica) with fillers usually crystalline (typically leucite or a different high-fusing glass) a) Low-to-moderate leucite-
dental ceramics silicate ceramics and oxidceramics/ oral surgery courses Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
This document discusses dental ceramics and their use and processing in dentistry. It begins by providing background on the history and early uses of ceramics. It then defines ceramics and classifies them according to their composition, use, processing method, and other properties. The remainder of the document discusses the properties of dental ceramics, their uses in dentistry, processing methods, and ways to strengthen ceramics including developing residual compressive stresses and minimizing tensile stresses through design.
The document discusses various topics related to all ceramics, including:
1) It provides a brief history of ceramics in dentistry from the 18th century to present day developments.
2) Ceramics are classified based on their firing temperature, composition, microstructure and other properties. Different ceramic systems used in dentistry are also outlined.
3) The advantages of dental ceramics include esthetics, biocompatibility and wear resistance, while disadvantages are brittleness and difficulty to repair.
4) Manufacturing processes like firing, sintering and glazing are described which involve chemical reactions and compaction of ceramic particles.
This document provides an overview of dental ceramics. It discusses the history of ceramics in dentistry from ancient times to modern developments. Key topics covered include the definition of ceramics, their basic constituents and structure, different classifications of ceramics based on composition and processing methods, advantages and disadvantages of metal-ceramic and all-ceramic restorations, and modern ceramic systems like CAD-CAM processed ceramics. The document also examines the composition, fabrication, and technical aspects of metal-ceramic prostheses.
Fabrication tech. all ceramic restorationsSherif Sultan
1. There are two main types of all-ceramic systems - bilayered systems with a high strength core and esthetic veneer, and monolithic systems made of a single ceramic layer.
2. Ceramic restorations can be fabricated using heat-pressed, CAD/CAM, or refractory die techniques. Heat-pressed techniques involve pressing ceramic ingots into a mold, while CAD/CAM uses ceramic blocks or blanks milled by a CAM unit.
3. Refractory die techniques involve making a die from the dental impression, building up ceramic layers on the die, and firing the ceramic. This allows for direct fabrication of the restoration on the die.
This document discusses polycrystalline dental ceramics. It describes the properties and fabrication techniques of aluminous oxide and zirconia oxide, the two main polycrystalline ceramics used. Aluminous oxide is indicated for crowns but cannot be etched, while zirconia has higher strength and toughness due to a phase transformation mechanism. The document outlines the crystal structures and stabilization of zirconia, as well as methods to strengthen dental ceramics including introducing compressive stresses, interrupting crack propagation, and minimizing tensile stresses through design.
This document provides an overview of dental ceramics. It discusses the historical perspective of dental ceramics dating back 23,000 years. It also covers the classification, composition, properties, processing methods like condensation and firing, and advances in all-ceramic and metal-ceramic dental systems. The document contains detailed information on the composition, properties and processing of various dental ceramic materials like feldspathic porcelain, leucite-reinforced porcelain, and glass ceramics. It compares conventional powder-slurry ceramics with newer CAD/CAM and machinable ceramic materials.
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
This document discusses all ceramic dental restorations. It begins by introducing ceramics and their advantages such as superior esthetics, biocompatibility, and wear resistance compared to porcelain-fused-to-metal restorations. However, ceramics are also brittle. The document then covers different ceramic materials including glass ceramics, glass infiltrated ceramics, and polycrystalline ceramics. It discusses fabrication methods like powder condensation, slip casting, heat pressing, and CAD/CAM. Key concepts in understanding dental ceramics are simplified. Classification systems and applications of different ceramics are also outlined.
Porcelains used in metal ceramics /certified fixed orthodontic courses by Ind...Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
0091-9248678078
Ceramics have many applications in dentistry due to their esthetic qualities, strength, and biocompatibility. Ceramics are used in crowns, bridges, veneers, dentures, and more. There are several types of ceramics including metal-ceramics, which combine a ceramic material fused to a metal framework for strength, and all-ceramic options made of materials like alumina and zirconia. Ceramic materials are fabricated through processes like sintering, heat pressing, slip-casting, and CAD/CAM milling. Ceramics provide natural-looking and long-lasting restorations but also have limitations like brittleness which new materials continue to address
The document discusses different types of dental ceramics, including their compositions, properties, and applications. It describes four main categories of ceramics used in dentistry: silicate ceramics, oxide ceramics, nonoxide ceramics, and glass ceramics. The document also covers the use of ceramics in dental prosthetics like crowns, bridges, veneers, and how they can be classified based on their intended use, composition, processing method, and other properties.
Dental Ceramics and Porcelain fused to metal isabel
This document discusses ceramics and porcelain fused to metal restorations. It describes the composition and properties of dental ceramics and porcelains, including feldspathic and aluminous porcelains. The applications and parts of porcelain fused to metal restorations are outlined. The benefits and drawbacks of metal-ceramic restorations are summarized. Requirements for the metal coping and bonding of porcelain to the coping are also summarized.
This document discusses different types of dental ceramics, including their composition, fabrication methods, advantages, and disadvantages. It categorizes currently available all-ceramic dental materials based on their fabrication method into: conventional ceramics, castable ceramics, pressable ceramics, infiltrated ceramics, and machinable ceramics. For each category, specific materials are described along with details about their chemistry, production process, properties and clinical applications.
This document discusses dental porcelain, including its composition, manufacturing process, strengthening methods, and applications in ceramic and metal-ceramic restorations. Dental porcelain is a type of ceramic composed of kaolin, silica, and feldspar that is fired at high temperatures. It is used for ceramic crowns, veneers, and metal-ceramic restorations due to its biocompatibility, esthetics, and thermal properties matching enamel and dentin. However, porcelain is also brittle with low tensile strength, so various strengthening techniques are used. Metal-ceramic restorations bond porcelain to metal frameworks, requiring thermal and chemical compatibility between the materials.
Indian Dental Academy: will be one of the most relevant and exciting training center with best faculty and flexible training programs for dental professionals who wish to advance in their dental practice,Offers certified courses in Dental implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic Dentistry, Periodontics and General Dentistry.
This document discusses different types of all-ceramic dental restorations, including their compositions and manufacturing techniques. It describes sintered ceramics like alumina and leucite-based materials, heat pressed ceramics like IPS Empress and lithium disilicate, slip cast ceramics like In-Ceram alumina and spinel, and machinable ceramics milled using CAD/CAM or copy milling. The advantages of all-ceramic restorations are also summarized, such as superior esthetics, biocompatibility, and bond strength compared to ceramic-metal restorations.
Indian Dental Academy: will be one of the most relevant and exciting
training center with best faculty and flexible training programs
for dental professionals who wish to advance in their dental
practice,Offers certified courses in Dental
implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic
Dentistry, Periodontics and General Dentistry.
Evolution of all ceramics&recent advances (2)/ dental coursesIndian dental academy
This document provides an overview of the evolution and recent advances in all-ceramic dental materials. It discusses early ceramic materials like denture teeth and porcelain jacket crowns, as well as more recent developments like alumina core porcelain, In-Ceram, castable ceramics like Di-Cor and Cerestore, and machinable ceramics created using CAD/CAM systems. The document also covers methods used to strengthen ceramics and details production processes for various all-ceramic systems.
Indian Dental Academy: will be one of the most relevant and exciting training
center with best faculty and flexible training programs for dental
professionals who wish to advance in their dental practice,Offers certified
courses in Dental implants,Orthodontics,Endodontics,Cosmetic Dentistry,
Prosthetic Dentistry, Periodontics and General Dentistry.
This document discusses dental ceramics and their use and processing in dentistry. It begins by providing background on the history and early uses of ceramics. It then defines ceramics and classifies them according to their composition, use, processing method, and other properties. The remainder of the document discusses the properties of dental ceramics, their uses in dentistry, processing methods, and ways to strengthen ceramics including developing residual compressive stresses and minimizing tensile stresses through design.
The document discusses various topics related to all ceramics, including:
1) It provides a brief history of ceramics in dentistry from the 18th century to present day developments.
2) Ceramics are classified based on their firing temperature, composition, microstructure and other properties. Different ceramic systems used in dentistry are also outlined.
3) The advantages of dental ceramics include esthetics, biocompatibility and wear resistance, while disadvantages are brittleness and difficulty to repair.
4) Manufacturing processes like firing, sintering and glazing are described which involve chemical reactions and compaction of ceramic particles.
This document provides an overview of dental ceramics. It discusses the history of ceramics in dentistry from ancient times to modern developments. Key topics covered include the definition of ceramics, their basic constituents and structure, different classifications of ceramics based on composition and processing methods, advantages and disadvantages of metal-ceramic and all-ceramic restorations, and modern ceramic systems like CAD-CAM processed ceramics. The document also examines the composition, fabrication, and technical aspects of metal-ceramic prostheses.
Fabrication tech. all ceramic restorationsSherif Sultan
1. There are two main types of all-ceramic systems - bilayered systems with a high strength core and esthetic veneer, and monolithic systems made of a single ceramic layer.
2. Ceramic restorations can be fabricated using heat-pressed, CAD/CAM, or refractory die techniques. Heat-pressed techniques involve pressing ceramic ingots into a mold, while CAD/CAM uses ceramic blocks or blanks milled by a CAM unit.
3. Refractory die techniques involve making a die from the dental impression, building up ceramic layers on the die, and firing the ceramic. This allows for direct fabrication of the restoration on the die.
This document discusses polycrystalline dental ceramics. It describes the properties and fabrication techniques of aluminous oxide and zirconia oxide, the two main polycrystalline ceramics used. Aluminous oxide is indicated for crowns but cannot be etched, while zirconia has higher strength and toughness due to a phase transformation mechanism. The document outlines the crystal structures and stabilization of zirconia, as well as methods to strengthen dental ceramics including introducing compressive stresses, interrupting crack propagation, and minimizing tensile stresses through design.
This document provides an overview of dental ceramics. It discusses the historical perspective of dental ceramics dating back 23,000 years. It also covers the classification, composition, properties, processing methods like condensation and firing, and advances in all-ceramic and metal-ceramic dental systems. The document contains detailed information on the composition, properties and processing of various dental ceramic materials like feldspathic porcelain, leucite-reinforced porcelain, and glass ceramics. It compares conventional powder-slurry ceramics with newer CAD/CAM and machinable ceramic materials.
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
This document discusses all ceramic dental restorations. It begins by introducing ceramics and their advantages such as superior esthetics, biocompatibility, and wear resistance compared to porcelain-fused-to-metal restorations. However, ceramics are also brittle. The document then covers different ceramic materials including glass ceramics, glass infiltrated ceramics, and polycrystalline ceramics. It discusses fabrication methods like powder condensation, slip casting, heat pressing, and CAD/CAM. Key concepts in understanding dental ceramics are simplified. Classification systems and applications of different ceramics are also outlined.
Porcelains used in metal ceramics /certified fixed orthodontic courses by Ind...Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
0091-9248678078
Ceramics have many applications in dentistry due to their esthetic qualities, strength, and biocompatibility. Ceramics are used in crowns, bridges, veneers, dentures, and more. There are several types of ceramics including metal-ceramics, which combine a ceramic material fused to a metal framework for strength, and all-ceramic options made of materials like alumina and zirconia. Ceramic materials are fabricated through processes like sintering, heat pressing, slip-casting, and CAD/CAM milling. Ceramics provide natural-looking and long-lasting restorations but also have limitations like brittleness which new materials continue to address
The document discusses different types of dental ceramics, including their compositions, properties, and applications. It describes four main categories of ceramics used in dentistry: silicate ceramics, oxide ceramics, nonoxide ceramics, and glass ceramics. The document also covers the use of ceramics in dental prosthetics like crowns, bridges, veneers, and how they can be classified based on their intended use, composition, processing method, and other properties.
Dental Ceramics and Porcelain fused to metal isabel
This document discusses ceramics and porcelain fused to metal restorations. It describes the composition and properties of dental ceramics and porcelains, including feldspathic and aluminous porcelains. The applications and parts of porcelain fused to metal restorations are outlined. The benefits and drawbacks of metal-ceramic restorations are summarized. Requirements for the metal coping and bonding of porcelain to the coping are also summarized.
This document discusses different types of dental ceramics, including their composition, fabrication methods, advantages, and disadvantages. It categorizes currently available all-ceramic dental materials based on their fabrication method into: conventional ceramics, castable ceramics, pressable ceramics, infiltrated ceramics, and machinable ceramics. For each category, specific materials are described along with details about their chemistry, production process, properties and clinical applications.
This document discusses dental porcelain, including its composition, manufacturing process, strengthening methods, and applications in ceramic and metal-ceramic restorations. Dental porcelain is a type of ceramic composed of kaolin, silica, and feldspar that is fired at high temperatures. It is used for ceramic crowns, veneers, and metal-ceramic restorations due to its biocompatibility, esthetics, and thermal properties matching enamel and dentin. However, porcelain is also brittle with low tensile strength, so various strengthening techniques are used. Metal-ceramic restorations bond porcelain to metal frameworks, requiring thermal and chemical compatibility between the materials.
Indian Dental Academy: will be one of the most relevant and exciting training center with best faculty and flexible training programs for dental professionals who wish to advance in their dental practice,Offers certified courses in Dental implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic Dentistry, Periodontics and General Dentistry.
This document discusses different types of all-ceramic dental restorations, including their compositions and manufacturing techniques. It describes sintered ceramics like alumina and leucite-based materials, heat pressed ceramics like IPS Empress and lithium disilicate, slip cast ceramics like In-Ceram alumina and spinel, and machinable ceramics milled using CAD/CAM or copy milling. The advantages of all-ceramic restorations are also summarized, such as superior esthetics, biocompatibility, and bond strength compared to ceramic-metal restorations.
Indian Dental Academy: will be one of the most relevant and exciting
training center with best faculty and flexible training programs
for dental professionals who wish to advance in their dental
practice,Offers certified courses in Dental
implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic
Dentistry, Periodontics and General Dentistry.
Evolution of all ceramics&recent advances (2)/ dental coursesIndian dental academy
This document provides an overview of the evolution and recent advances in all-ceramic dental materials. It discusses early ceramic materials like denture teeth and porcelain jacket crowns, as well as more recent developments like alumina core porcelain, In-Ceram, castable ceramics like Di-Cor and Cerestore, and machinable ceramics created using CAD/CAM systems. The document also covers methods used to strengthen ceramics and details production processes for various all-ceramic systems.
Indian Dental Academy: will be one of the most relevant and exciting training
center with best faculty and flexible training programs for dental
professionals who wish to advance in their dental practice,Offers certified
courses in Dental implants,Orthodontics,Endodontics,Cosmetic Dentistry,
Prosthetic Dentistry, Periodontics and General Dentistry.
Indian Dental Academy: will be one of the most relevant and exciting
training center with best faculty and flexible training programs
for dental professionals who wish to advance in their dental
practice,Offers certified courses in Dental
implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic
Dentistry, Periodontics and General Dentistry.
Description :
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
Dental ceramics /certified fixed orthodontic courses by Indian dental academy Indian dental academy
Welcome to Indian Dental Academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy has a unique training program & curriculum that provides students with exceptional clinical skills and enabling them to return to their office with high level confidence and start treating patients
State of the art comprehensive training-Faculty of world wide repute &Very affordable.
This document provides an overview of ceramics, including:
- Definitions of ceramics as inorganic, non-metallic materials formed from powders and strengthened through firing.
- Classifications based on fabrication method, crystalline phase, use, firing temperature, composition, microstructure, and properties.
- A brief history of ceramics development and uses in dentistry and other applications.
- Descriptions of microstructure, common crystalline phases, and how structure influences properties.
This document provides an introduction and overview of ceramics. It discusses the historical development of ceramics, classifications of ceramics according to fabrication method, crystalline phase, composition, microstructure and other properties. Specific ceramic materials used in dentistry like porcelain, glass ceramics, zirconia, and resin ceramics are also covered. The document examines the structure and properties of different ceramics and their applications in dental and non-dental fields.
Evolution of Dental ceramic restorations /certified fixed orthodontic course...Indian dental academy
Welcome to Indian Dental Academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy has a unique training program & curriculum that provides students with exceptional clinical skills and enabling them to return to their office with high level confidence and start treating patients
State of the art comprehensive training-Faculty of world wide repute &Very affordable.
The document discusses dental ceramic materials and their advancements. It covers the history, definition, classification, composition, properties and processing of dental ceramics. Various types of ceramics are described including feldspathic porcelain, glass ceramics, alumina and zirconia-based ceramics. Methods to strengthen ceramics include adding metal oxides, platelets or MXenes. Recent advances have led to all-ceramic systems for restorations that are fabricated using CAD/CAM technology, offering improved aesthetics over metal-ceramic restorations.
The document discusses the history, composition, properties and applications of dental ceramics. It notes that advances in digital dentistry have led to increased use of all-ceramic restorations over porcelain fused to metal restorations. All-ceramic restorations offer improved esthetics but have lower 5-year survival rates than metal-ceramic restorations due to higher risks of material fractures. Proper selection of ceramic materials and designs can help maximize strength and fracture resistance.
Allceramic restorations /certified fixed orthodontic courses by Indian dental...Indian dental academy
Welcome to Indian Dental Academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy has a unique training program & curriculum that provides students with exceptional clinical skills and enabling them to return to their office with high level confidence and start treating patients
State of the art comprehensive training-Faculty of world wide repute &Very affordable.
ALL CERAMIC RESTORATIONS-Dr MEENU MERRY C PAULMeenuMerryCPaul
This document discusses different types of all-ceramic dental restorations. It describes 6 main classifications: 1) Condensed ceramics like feldspathic porcelain and leucite-reinforced cores 2) Castable glass ceramics like Dicor 3) Machinable glass ceramics like Dicor MGC 4) Pressable glass ceramics like IPS Empress and IPS Empress 2 5) Slip-cast glass infiltrated ceramics like In-Ceram Alumina, Spinell, and Zirconia 6) Milled ceramic restorations/cores made from blocks using CAD-CAM or copy milling. For each classification, the document provides details on composition,
Dental ceramics/certified fixed orthodontic courses by Indian dental academy Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats
Indian Dental Academy: will be one of the most relevant and exciting training
center with best faculty and flexible training programs for dental
professionals who wish to advance in their dental practice,Offers certified
courses in Dental implants,Orthodontics,Endodontics,Cosmetic Dentistry,
Prosthetic Dentistry, Periodontics and General Dentistry.
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
This document discusses metal-free ceramics used in dentistry. It provides definitions of various types of ceramics like feldspathic porcelain, glass ceramics, and zirconia. The document discusses the history, classification, composition, properties and strengthening techniques of ceramics. It also compares different metal-free ceramic systems and discusses their clinical applications and cementation.
Description :
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
Indian Dental Academy: will be one of the most relevant and exciting training center with best faculty and flexible training programs for dental professionals who wish to advance in their dental practice,Offers certified courses in Dental implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic Dentistry, Periodontics and General Dentistry.
Indian Dental Academy: will be one of the most relevant and exciting training center with best faculty and flexible training programs for dental professionals who wish to advance in their dental practice,Offers certified courses in Dental implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic Dentistry, Periodontics and General Dentistry.
Similar to Evolution of all ceramics&recent advances (2) (20)
Opportunity for Dentists (BDS/MDS )to relocate to United kingdom -Register as a DENTAL HYGIENIST/ DENTAL THERAPIST without Board exams and after approval you can register in GDC as a DH/DT and start working as a DH/DT Immediately and get paid.
You can complete the whole process in 3-4 months.Salary range for DH/DT is around 2500-3500 Pounds per month.
Eligibility / requirements-
1. An International English Language Testing System (IELTS) certificate
at the appropriate level.(Within 2 yrs of application date )
2: A recent primary dental qualification that has been taught and examined in English..(Within 2 yrs of application date )
3: A recent pass in a language test for registration with a regulatory authority in a country where the first language is English.
If you are interested Please contact us for more details.
1ST, 2ND AND 3RD ORDER BENDS IN STANDARD EDGEWISE APPLIANCE SYSTEM /Fixed ort...Indian dental academy
Indian Dental Academy: will be one of the most relevant and exciting training center with best faculty and flexible training programs for dental professionals
who wish to advance in their dental practice,Offers certified courses in Dental implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic Dentistry,
Periodontics and General Dentistry.
Indian Dental Academy: will be one of the most relevant and exciting training center with best faculty and flexible training programs for dental professionals who wish to advance in their dental practice,Offers certified courses in Dental implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic Dentistry, Periodontics and General Dentistry.
I –Aligners are made with FDA approved transparent thermoplastic materials using 3D scanning, 3D Printing and finally Trays with Pressure vacuum formers.
Dear Doctor,
Indian Dental Academy Now offers comprehensive online Orthodontics course.
Course includes:
1.whiteboard lecture presentations
2.Case Discussions
3.with hundreds of pictures.
4.Demo on Models
5.Demo on Patients
6. subtitles in your own language
12 months unlimited access and support @350 USD only.
For Demo please visit :www.idalectures.com/preview/
For more details visit: www.idalectures.com
Please contact us for any clarifications:
idalectures@gmail.com
indiandentalacademy@gmail.com
Thanks & Regards
Indian Dental Academy
--
Indian Dental Academy
Leader in continuing dental education
www.indiandentalacademy.com
skype:indiandentalacademy
+919248678078
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
Cytotoxicity of silicone materials used in maxillofacial prosthesis / dental ...Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
Diagnosis and treatment planning in completely endntulous arches/dental coursesIndian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
Properties of Denture base materials /rotary endodontic coursesIndian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
Use of modified tooth forms in complete denture occlusion / dental implant...Indian dental academy
This document discusses dental occlusion concepts and philosophies for complete dentures. It introduces key terms like physiologic occlusion and defines different occlusion schemes like balanced articulation and monoplane articulation. The document discusses advantages and disadvantages of using anatomic versus non-anatomic teeth for complete dentures. It also outlines requirements for maintaining denture stability, such as balanced occlusal contacts and control of horizontal forces. The goal of occlusion for complete dentures is to re-establish the homeostasis of the masticatory system disrupted by edentulism.
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
This document discusses dental casting investment materials. It describes the three main types of investments - gypsum bonded, phosphate bonded, and ethyl silicate bonded investments. For gypsum bonded investments specifically, it details their classification, composition including the roles of gypsum, silica, and modifiers, setting time, normal and hygroscopic setting expansion, and thermal expansion. It provides information on how the properties of gypsum bonded investments are affected by their composition. The document serves as a comprehensive overview of dental casting investment materials.
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
Dentalcasting alloys/certified fixed orthodontic courses by Indian dental aca...Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
Dentalcasting alloys/certified fixed orthodontic courses by Indian dental aca...
Evolution of all ceramics&recent advances (2)
1. Om Ganeshaya NamahaOm Ganeshaya Namaha
www.indiandentalacademy.comwww.indiandentalacademy.com
2. Evolution of All-Ceramics
&
Recent advances
INDIAN DENTAL ACADEMY
Leader in continuing dental education
www.indiandentalacademy.com
www.indiandentalacademy.comwww.indiandentalacademy.com
3. contentscontents 1.Introduction
2.Evolution & history
3.Methods to strengthen porcelain
4.Alluminous core porcelain
5.In-ceram
6.Castable ceramics
7.Machinable ceramics
8.Scope of all ceramics
9.Conclusion
10.References
www.indiandentalacademy.comwww.indiandentalacademy.com
5. DEFINITIONS
Ceramics : compounds of one or more metals with a non metallic element(usually
silicon,boron,oxygen) that may be used as a single structural component or as one of
the several layers that are used in the fabrication of a ceramic based prosthesis .
(G.P.T 7, Anusavice)
Porcelain : a ceramic material formed of infusible elements joined by lower fusing
materials.Most dental porcelains are glasses and are used in fabrication of teeth for
dentures, pontics & facings, crowns, inlays, onlays and other restorations. (G.P.T 7)
Ceramic is derived from Sanskrit word meaning Burnt earth
www.indiandentalacademy.comwww.indiandentalacademy.com
14. 2 Options
1. Strong Core ( Unaesthetic )
Layered with Veneering Porcelain
2. Esthetic as well as
strong Core
www.indiandentalacademy.comwww.indiandentalacademy.com
15. 1965 Mc lean and Hughes
40 t0 50 wt% of Al2O3
Flexural strength 131 Mpa
Platinum foil technique
ALUMINOUS CORE PORCELAINALUMINOUS CORE PORCELAIN
Finished CoresMaster model
with dies Platinum foil
adapted to die
(Hi-Ceram)
www.indiandentalacademy.comwww.indiandentalacademy.com
16. Unsintered CrownsDentin Ceramic
additions
Finished Crowns on dies
Post-Cementation
Mc lean 1979 Five year failure rate 2% for anteriors 15% for posteriors
Large sintering shrinkage
Seiber et al 1981 :light reflection better than porcelain fused to metalwww.indiandentalacademy.comwww.indiandentalacademy.com
17. IN-CERAMIN-CERAM
A process used to form green ceramic shape by applying a
slurry of ceramic particles and water or a special liquid to a porous
substrate Such as a die material, there by allowing capillary action
to remove water and densify the mass of deposited particles
Flexural
strength
350 MPa 500 MPa 700 MPa
In-ceram
Alumina
In-ceram
Spinell
In-ceram
Zirconia
Crack deflection is the main Phenomenon
( Slip casting technique )
Saadoun 1989
www.indiandentalacademy.comwww.indiandentalacademy.com
20. Application of body
and incisal porcelain
Postoperative veiw of
In-Ceram crowns
Finished In-Ceram
copings
(Air abraded)
Finished crowns
Preoperative veiw
Probster et al : Strength of In-Ceram > IPS Empress < PFMwww.indiandentalacademy.comwww.indiandentalacademy.com
22. CASTABLE CERAMICSCASTABLE CERAMICS
A glass ceramic material that combines the properties of a
restorative material for function with the capability to be cast
using the lost wax process
Di-Cor
Cerestore
IPS Empress
New types
1968 Mc Culloch
Cera pearl
Canasite glass ceramic
Optimal pressable ceramic
Olympus castable ceramics
Castable phosphate glass ceramic
www.indiandentalacademy.comwww.indiandentalacademy.com
23. DI-CORDI-COR
Non porous, homogenous, microstructure with uniform
crystal size which is derived from the controlled growth of crystals
within an amorphous matrix of glass.
Ancestry Fredrick carter corning glass works
Composition : SiO2, K2O and MgO, MgF2, Al2O3, ZrO2 and
flourescing agent – TETRA SILICIC FLUOROMICA GLASS
CERAMIC.
Mica crystals Feldspathic porcelainwww.indiandentalacademy.comwww.indiandentalacademy.com
25. Ceramming Ceramming oven Crystallised glass coping
Conventional porcelain application & Firing Finished crown
Cerramming done from room temparature- 19000
f for 1½ hrs and
sustained for 6hrs inorder to form tetra silicic flouro mica crystals
www.indiandentalacademy.comwww.indiandentalacademy.com
26. Properties :
Flexural strength 81 ± 6.8 Mpa
Marginal adaptation :
Weaver et al 1988 – conducted a study on 10 dicor crowns
Marginal opening – 57 ± 9 µm
Due to less seating pressure, increase in density of ceramic
after ceramming.
Biocompatibility :
Less bacterial counts
Reason : smooth surface, low surface tension, flouride content,
Low thermal conductivity
www.indiandentalacademy.comwww.indiandentalacademy.com
27. Esthetics :
Gross man and adiar : Hue and chroma of metal ceramics
and castable ceramics matched natural teeth.
Value of only castable ceramics matched natural teeth.
Presence of mica crystals scatter light similar to enamel rods.
Cementation :
zinc phosphate, light activated urethane resin
Bailey&Bennet 1988 etching with ammonium biflouride for 2 min
www.indiandentalacademy.comwww.indiandentalacademy.com
28. Survival rate :
Kenneth et al 1999 - 14yr study
Crowns 82%
Cores 100%
Inlay and onlay 90%
Partial coverage 92%
Posterior 70% anterior 82.7% Expenstein et al 2000www.indiandentalacademy.comwww.indiandentalacademy.com
30. TECHNIQUE :
Tooth preparation :
1.25 – 1.5 mm (Labial-lingual,interproximal)
1.5 – 2.mm (occlusal)
900 (
full shoulder ) Conventional wax-up on
heat stable Epoxy dies
Investing Ceramic pellet in flask for pressing
1600
Cwww.indiandentalacademy.comwww.indiandentalacademy.com
31. Ceramic injected into mold
Plaster removal from
pressed coping
Refining green state
coping
Coping on master die fired
at 13000
C
www.indiandentalacademy.comwww.indiandentalacademy.com
32. Tooth preparation and impression
Cerestore epoxy die
Wax up and invest with master die
Boil out
Heat flask to 1800
C
Transfer mould ceramic into lost wax
cavity directly on master die
Retrieve master die
Refine coping, add veneer porcelainwww.indiandentalacademy.comwww.indiandentalacademy.com
33. Properties :
• Flexural strength : 225 Mpa
• Fit : exceptional fit because of direct moulding process.
• Low thermal conductivity
• Radio density similar to enamel
• Biocompatible
www.indiandentalacademy.comwww.indiandentalacademy.com
35. LEUCITE REINFORCED IPS EMPRESS
Feldspar Leucite + glass phase
In congruent
Melting
Resistance to crack propagation
Pre cerammed Ingots
Processing :
www.indiandentalacademy.comwww.indiandentalacademy.com
36. Wax pattern
Ceramic ingot &
Al plunger
Investing
Pressing under vaccum
11500
C
Sprue removal
Edward B Goldin 2005 compared leucite IPS Empress with PFM
Mean marginal discrepancy 94 + 41 PFM
81 +25 IPS
Burn out 8500
C
26 min hold
www.indiandentalacademy.comwww.indiandentalacademy.com
37. Properties :
Flexural strength : 117.3 - 167 Mpa
Ion exchange method used to strengthen IPS empress (KnO3)
204 Mpa 11 hr immersion
Esthetics : high esthetic value
Clinical survival : Deniz G in 2002
95% survival → 2-4 years
Marginal adaptation : Shearer et al in 1996 : better marginal adaptation
with hot pressed ceramics than aluminous core material.
www.indiandentalacademy.comwww.indiandentalacademy.com
38. LITHIUM DISILICATE REINFORCED
Base glass Melted with raw materials
1400 to 16000
C
Poured into water
Glass grains 20-30 µ Cylindrical ingots obtained
Pressed into mold at 9000
Cin
Vaccum for 10 minutes
Automatic molding cycle
200 to 300 N
Manufacturing :
Mainly for post and core purposes Flexural strength :164+26 Mpa
Cosmo glass Ceramic
www.indiandentalacademy.comwww.indiandentalacademy.com
39. Full contouring Cut back
Sprued pattern
Investing Ingot pressingwww.indiandentalacademy.comwww.indiandentalacademy.com
40. CERAPEARLCERAPEARL
CaO – P2O5 – MgO – SiO2 – Hobo and Kyocera bioceram group 1985
Crystalline microstructure similar to natural enamel
Mechanical properties superior to enamel
Laboratory steps :
Tooth preparation, die preparation
Wax patterns
2 stage burn out (8000
C final temperature)
Melted ceramic at 14600
C casted under vaccum
(special ring liners required {1.2mm} )
Reheating -870 0
C– Crystalline oxy apatite - moisture exposure – hydroxy apatitewww.indiandentalacademy.comwww.indiandentalacademy.com
41. Clinical success : Nahara Y et al (1991)
2 year success rate – 100%
Burn out chamber Centrifugal casting machine
Ceramming unit and shading
A) Pretreatment
B) 3 months after
cementation
C) 2 yrs post-
cementation
Mainly indicated for inlays and full crowns
www.indiandentalacademy.comwww.indiandentalacademy.com
42. FLUORCANASITEFLUORCANASITE
Multiple chain silicate glass ceramic that exhibits high strength
and fracture toughness.
Al2O3 – CaO – F – K2O – SiO2
CaF2 → Nucleating agent
Procedure :
Wax pattern invested in Crystoballite investment
Burn out at 7000
C Heat soak for 0.5 hours
Temperature drop to 5900
C
Centrifugal casting machine used at 12000
C
Direct ceramming Heat soaking
5200
C
Heating at
8600
C CANASITEwww.indiandentalacademy.comwww.indiandentalacademy.com
43. Properties :
Flexural strength : 116 ± 12 MPa
Johnson et al in 2000 : Biaxial flexural strength 280.4 Mpa
Fracture toughness : 660 Mpa
www.indiandentalacademy.comwww.indiandentalacademy.com
44. OLYMPUS CASTABLE CERAMICOLYMPUS CASTABLE CERAMIC
It consists of
Glass phase of LiO2 – Na2O – ZnO – Al2O3 – TiO2 – SiO2 and
Crystalline phase of Na Mg3 (SiO3AlO10) F2 and Li2OAl2O3 – 4SiO2
Procedure :
Burn out 3000
C 30 min → 8000
C for 30 min
Casting at 5500
C → Ceramming at 7500
C for 2 hrs.
Shimida et al 2000 : prior to cementation : Silane coupling agent +Primer
increases bond strength
www.indiandentalacademy.comwww.indiandentalacademy.com
45. OPTIMAL PRESSABLE CERAMICOPTIMAL PRESSABLE CERAMIC
1996 Janeric Pentron Company
Optimally pressable
ceramic system
Glass ceramic with leucite phase
Crystalline compacted ceramic
on heating
Die fabrication Wax pattern
www.indiandentalacademy.comwww.indiandentalacademy.com
46. Sprued wax patterns ready for
investing
Paper casting ring is closed from top
as the material sets
Paper casting ring is peeled Investment placed in burnout furnace
850 c -90min
www.indiandentalacademy.comwww.indiandentalacademy.com
47. Colored pellets
used for casting
Hot mold placed in optimal
auto press machine
Pressed molds cooled
to room temperature
mold is scored and broken apart Recovering of casting
Removal of remaining investment
1150 0
C -20min hold
www.indiandentalacademy.comwww.indiandentalacademy.com
48. CASTABLE PHOSPHATE GLASS CERAMICCASTABLE PHOSPHATE GLASS CERAMIC
Contains :
Natural phosphate as natural teeth
Marketed as ‘Crys-Cera’
www.indiandentalacademy.comwww.indiandentalacademy.com
50. Luthy et al 1991
Kelly et al 1991
Strength > Laboratory fabricated Ceramic
CEREC SYSTEMS PROCERA SYSTEM
CELAY SYSTEM
www.indiandentalacademy.comwww.indiandentalacademy.com
51. CEREC SYSTEMSCEREC SYSTEMS
Materials involved :
Vita mart II, Dicor MGC and Pro Cad
Sanidine
KAlSi3O8
Mica
crystals
70%
Leucite containing
ceramic
CERamic REConstruction,
Optical scanningwww.indiandentalacademy.comwww.indiandentalacademy.com
52. The compact, mobile unit consists of three components: a
small camera, a computer screen and a three – axis – of – rotation
milling machine.
www.indiandentalacademy.comwww.indiandentalacademy.com
53. The cad/cam cerec system has evolved from the: cerec-
1,which fabricated only marginally fitting single and dual surface
ceramic inlays.
Cerec-2,which showed advances in computing, upgraded
software and expanded form of grinding technique.www.indiandentalacademy.comwww.indiandentalacademy.com
54. Cerec-3 that can design well-fitting inlays, onlays, crowns,
veneers etc., in a single visit.
www.indiandentalacademy.comwww.indiandentalacademy.com
55. 3D cerec
Scanning and designing
3 dimensional viewing Milling
www.indiandentalacademy.comwww.indiandentalacademy.com
56. CELAY SYSTEMCELAY SYSTEM
Uses copy milling technique
Resin pattern fabricated directly on master die and pattern is used
for milling porcelain restorations
Jacot et al 1998 : in ceram blanks in celay system.
Inlay pattern mounted
(copy side)
Copy milling pattern out
of ceramic material
(milling side)
Sorenson 1994 : marginal fit of CELAY > CEREC
www.indiandentalacademy.comwww.indiandentalacademy.com
57. PROCERA SYSTEMPROCERA SYSTEM
Dies are enlarged to compensate for sintering shrinkage.
Scanning
Milling machine
Shape on computer screen
Contact scanner
www.indiandentalacademy.comwww.indiandentalacademy.com
59. Tooth color gradation reproducibility : CCM ( computer color matching )
Shigemi Ishikawa et al 2005
www.indiandentalacademy.comwww.indiandentalacademy.com
61. CAPTEK SYSTEM :CAPTEK SYSTEM :
Duplicated refractory die
Metal
impregnated
wax sheet
Final coping
Porcelain veneering
CAPTEK is the answer for the most challenging situation because of
its strength and excellent esthetics
Captek G-97.5
gold, 2.5 silver
Au-Pt-pd
www.indiandentalacademy.comwww.indiandentalacademy.com
62. (HELIO FORM HF 600 SYSTEM)
Equipment Polyurethane dies
Completed restorations
ELECTRO FORMEDELECTRO FORMED
www.indiandentalacademy.comwww.indiandentalacademy.com
66. Porcelain laminate veneers
Laminate : Is an extremely thin shell of porcelain applied directly to tooth structure
1930-1940 Charles Pincus used thin porcelain shells,denture adhesives were used
1970-1980 Composite resin laminate veneers
Monochromatic appearance
Staining
Loss of luster
www.indiandentalacademy.comwww.indiandentalacademy.com
67. 1980s Bonding porcelain to etched surfaces
Hsu et al 1985 - Mechanical retention increased by etching porcelain
Shear bond strength of etched 4 > Unetched
Calamia et al 1984 - Application of silane coupling agent-
Improved bond strength
*min thickness of laminate: 0.3 – 0.5 mm
www.indiandentalacademy.comwww.indiandentalacademy.com
68. All ceramic F P D
Two part build up
Pre (PFM)
Post (All Ceramic)3 unit FPD
www.indiandentalacademy.comwww.indiandentalacademy.com
69. DC – ZIRKON technique : Vult von steyern et al in 2004
< 5% flaws, flexural strength : 900 Mpa
Used for posterior FPD’s
DC-Zirkon Blocks Milled Block
FPD framework tried on Working Castwww.indiandentalacademy.comwww.indiandentalacademy.com
70. All ceramic Resin bonded fixed partial dentures
Introduced 1986-1988 Ibsen et al and Garber et al
Matthias kern 2005 :Cantilever all-ceramic resin bonded FPDwww.indiandentalacademy.comwww.indiandentalacademy.com
71. Ceramic veneer F P D
Ceramic inlay metal reinforced F P D
Ceramic veneer / Composite substructure F P D
www.indiandentalacademy.comwww.indiandentalacademy.com
72. All ceramic Posts
1993 Luthy et al – Post made of TZP-ZrO2
High flexural strength 1400 Mpa
1994 Sandhaus – Zirconia post with composite core
1995 Akagawa et al - Castable ceramic attached to zirconia post
1997 Ivoclar – introduced Ceramic core directly pressed onto Zirconia post
IPS Empress Cosmo ingot
www.indiandentalacademy.comwww.indiandentalacademy.com
80. Thought for the Day
There are two kinds of failures
One who thought and never did
One who did but never thought
www.indiandentalacademy.comwww.indiandentalacademy.com
81. Thank you
For more details please visit
www.indiandentalacademy.com
www.indiandentalacademy.comwww.indiandentalacademy.com