This document summarizes a technique for precisely adapting the margins of stainless steel crowns (SSCs) to prepared teeth. The key steps include:
1. Trimming the crown length using a heatless stone or diamond wheel to recreate marginal ridge heights.
2. Using crimping pliers to bend the crown edges inwardly and proximate the prepared tooth.
3. Further adapting the margins using a heatless stone to thin the edges and apply a "minicrimp", resulting in smoothly curved margins replicating natural enamel contours.
Proper adaptation of SSC margins is important to avoid negative impacts on periodontal tissues or erupting teeth and to replicate the original tooth configuration.
The document discusses the use of stainless steel crowns in restorative pediatric dentistry, including their history, indications and contraindications, comparison to other restoration methods, and the Hall technique involving placement of stainless steel crowns. Stainless steel crowns provide durable restorations for primary teeth with extensive decay and have survival times over 40 months, making them an economical option despite initial higher costs compared to other materials like glass ionomer cement. Case examples are presented to illustrate when stainless steel crowns are suitable or not suitable for carious primary molars.
This document provides an overview of stainless steel crowns for pediatric dentistry. It discusses the history, composition, indications, contraindications, advantages and disadvantages of stainless steel crowns. It describes different types of crowns based on composition and morphology. The document outlines the armamentarium, techniques, adaptations and modifications for stainless steel crowns. It is intended to serve as a reference for using stainless steel crowns in treating pediatric dental patients.
This document discusses stainless steel crowns. It begins with an introduction and history of stainless steel crowns. It then discusses definitions, classifications, indications, contraindications and armamentarium. The main body describes the clinical procedure for stainless steel crowns in detail, including tooth preparation, crown selection, adaptation, contouring, crimping and cementation. It concludes with modifications for special clinical situations and causes of failure.
This document discusses different types of full coverage restorations for anterior primary teeth in pediatric dentistry. It begins with an introduction describing the shift from extracting decayed primary teeth to restoring them. It then covers indications for full coverage of anterior teeth and contraindications. The main types discussed are stainless steel/open faced crowns, composite strip crowns, polycarbonate crowns, pre-veneered crowns, and zirconia crowns. For each type, the document describes advantages and disadvantages. It concludes that esthetics are now important in pediatric dentistry and different full coverage options allow restoring decayed anterior primary teeth while considering function, durability and aesthetics.
This document provides an overview of stainless steel crowns for pediatric dentistry. It discusses the history, composition, indications, contraindications, advantages and disadvantages of stainless steel crowns. It describes different types of crowns based on composition and morphology. The document outlines the armamentarium, techniques, adaptations and modifications for stainless steel crowns. It is intended to serve as a reference for using stainless steel crowns in treating pediatric dental patients.
Stainless steel crowns in pediatric dentistry pptdrvinodini
This document provides an overview of stainless steel crowns (SSCs), including their history, composition, indications, contraindications, placement procedure, and modifications. SSCs were first described in 1950 as a semi-permanent restoration option for primary and young permanent teeth. They are made of stainless steel or nickel-chromium alloys. SSCs are indicated for restoring teeth with extensive decay, fractures, pulpotomies, or as a space maintainer. Placement involves tooth preparation, selection and fitting of the crown, contouring, crimping, cementation, and finishing. Modifications include altering crown size or adding material to accommodate deep caries or spacing issues. Studies have found SSCs to have low microleakage and
The document discusses the use of stainless steel crowns in restorative pediatric dentistry, including their history, indications and contraindications, comparison to other restoration methods, and the Hall technique involving placement of stainless steel crowns. Stainless steel crowns provide durable restorations for primary teeth with extensive decay and have survival times over 40 months, making them an economical option despite initial higher costs compared to other materials like glass ionomer cement. Case examples are presented to illustrate when stainless steel crowns are suitable or not suitable for carious primary molars.
This document provides an overview of stainless steel crowns for pediatric dentistry. It discusses the history, composition, indications, contraindications, advantages and disadvantages of stainless steel crowns. It describes different types of crowns based on composition and morphology. The document outlines the armamentarium, techniques, adaptations and modifications for stainless steel crowns. It is intended to serve as a reference for using stainless steel crowns in treating pediatric dental patients.
This document discusses stainless steel crowns. It begins with an introduction and history of stainless steel crowns. It then discusses definitions, classifications, indications, contraindications and armamentarium. The main body describes the clinical procedure for stainless steel crowns in detail, including tooth preparation, crown selection, adaptation, contouring, crimping and cementation. It concludes with modifications for special clinical situations and causes of failure.
This document discusses different types of full coverage restorations for anterior primary teeth in pediatric dentistry. It begins with an introduction describing the shift from extracting decayed primary teeth to restoring them. It then covers indications for full coverage of anterior teeth and contraindications. The main types discussed are stainless steel/open faced crowns, composite strip crowns, polycarbonate crowns, pre-veneered crowns, and zirconia crowns. For each type, the document describes advantages and disadvantages. It concludes that esthetics are now important in pediatric dentistry and different full coverage options allow restoring decayed anterior primary teeth while considering function, durability and aesthetics.
This document provides an overview of stainless steel crowns for pediatric dentistry. It discusses the history, composition, indications, contraindications, advantages and disadvantages of stainless steel crowns. It describes different types of crowns based on composition and morphology. The document outlines the armamentarium, techniques, adaptations and modifications for stainless steel crowns. It is intended to serve as a reference for using stainless steel crowns in treating pediatric dental patients.
Stainless steel crowns in pediatric dentistry pptdrvinodini
This document provides an overview of stainless steel crowns (SSCs), including their history, composition, indications, contraindications, placement procedure, and modifications. SSCs were first described in 1950 as a semi-permanent restoration option for primary and young permanent teeth. They are made of stainless steel or nickel-chromium alloys. SSCs are indicated for restoring teeth with extensive decay, fractures, pulpotomies, or as a space maintainer. Placement involves tooth preparation, selection and fitting of the crown, contouring, crimping, cementation, and finishing. Modifications include altering crown size or adding material to accommodate deep caries or spacing issues. Studies have found SSCs to have low microleakage and
This document provides an overview of stainless steel crowns used in pediatric dentistry. It discusses the history and development of stainless steel crowns, their composition, indications and contraindications for use. The document outlines the armamentarium, techniques and modifications for placing stainless steel crowns. It also addresses advantages like longevity and protection of tooth structure, and disadvantages such as appearance. Overall, the document presents stainless steel crowns as an effective treatment for restoring severely decayed primary teeth.
Stainless steel crowns in paediatric dentistryDr Ravneet Kour
Stainless steel crowns are commonly used in pediatric dentistry to restore heavily decayed primary molars. They have a long history of use dating back to the 1940s. There are different types based on composition and morphology. Indications include restoring teeth with extensive decay involving multiple surfaces. Contraindications include teeth with advanced root resorption. Placement involves tooth preparation, crown selection, adaptation and cementation. Potential complications include aspiration during placement and nickel allergy in some patients.
The document provides information on metal-ceramic crowns, including:
- Metal-ceramic crowns consist of a cast metal substructure veneered with porcelain, combining strength and esthetics. Significant tooth reduction is required for the porcelain.
- The preparation involves placing guiding grooves, reducing the incisal edge/occlusion, and reducing the facial, proximal, and lingual surfaces. A minimum of 1.2mm of space is needed for the materials.
- The process aims to provide adequate thickness for the porcelain for esthetics while maintaining retention, resistance form, and a path of withdrawal.
Stainless steel crowns are semi-permanent restorations used for primary and young permanent teeth. They provide superior longevity compared to other restorative materials. Stainless steel crowns require minimal tooth preparation and can be placed in a single appointment, making them efficient. They are indicated for restoring teeth with extensive decay, following pulpotomies, in patients with poor oral hygiene, and as a space maintainer. Proper tooth preparation, crown adaptation, cementation, and follow up are important for success.
Stainless steel crowns have been used since the 1940s to restore primary teeth. They provide full coverage of badly broken down teeth and can be placed quickly and economically compared to other restorative materials. SSCs are durable and help prevent further decay by fully covering the tooth. They are indicated for restoring teeth with large or multi-surface cavities, following pulpal therapy, or for high-risk patients. Placement involves preparing the tooth with rounded line angles and occlusal reduction before selecting the correct sized preformed crown and adapting it over the tooth margins.
This document discusses various types of crowns used in pediatric dentistry to restore primary teeth. It begins by introducing the need for aesthetic full coverage restorations in children. It then describes several types of crowns in detail, including their indications, advantages, disadvantages, and placement techniques. The crowns discussed are stainless steel, open-faced steel, polycarbonate, composite strip, pre-veneered steel, and NuSmile crowns. For each type, the document outlines the specific technique for tooth preparation and crown cementation or bonding. The goal of discussing these various crown options is to help pediatric dentists select the best restoration for primary teeth based on factors like aesthetics, durability, and technique sensitivity.
Stainless steel crowns are semi-permanent restorations used for primary and young permanent teeth. They were introduced in 1950 as chrome-steel crowns. The objectives are to provide a biologically compatible and masticatorily functional restoration that maintains the tooth's form, function, and vitality when possible. There are three types - untrimmed, pretrimmed, and precontoured. Placement involves tooth preparation with reduction, selection of appropriately sized crowns, trial fitting, contouring and crimping, and final cementation.
Tooth preparation for full veneer crowns /certified fixed orthodontic course...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
This document discusses stainless steel crowns, which are semi-permanent restorations used in primary and young permanent teeth. It describes the history, types, indications, advantages, disadvantages, composition, placement procedure, modifications, and complications of stainless steel crowns. Stainless steel crowns provide full tooth coverage and are effective for restoring extensively decayed or malformed primary teeth. They are durable, economical restorations that can improve function and aesthetics for young patients.
This document provides information about stainless steel crowns (SSCs), including their history, objectives, indications, contraindications, types, composition, clinical procedure, and references. Some key points:
- SSCs were first described in the 1950s and became commonly used in the 1960s to restore primary and permanent teeth.
- Objectives are to achieve a biologically compatible restoration that maintains tooth form and function.
- Indications include restoring teeth after pulpotomy/pulpectomy, with large/deep caries, or when 3+ surfaces need restoration.
- Clinical procedure involves evaluating occlusion, selecting correct crown size, tooth preparation to provide space and remove caries, and cementing the crown
The document discusses stainless steel crowns used for restoring primary teeth. It covers:
1) Characteristics of stainless steel crowns including their composition of chromium, nickel and iron.
2) Indications for their use such as extensive decay, pulp therapy, developmental defects, and as a preventive restoration.
3) The procedure for placing stainless steel crowns which involves tooth preparation, selection of the correct sized crown, contouring and crimping the crown, cementation and post-cementation checks.
The document provides steps for placing stainless steel crowns (SSCs) on primary teeth. Key points include:
1. Teeth are prepared with occlusal, proximal, and gingival reductions to allow proper adaptation of preformed SSCs.
2. SSCs are contoured and crimped as needed before cementation.
3. SSCs provide a durable restoration for restoring extensively decayed primary teeth and are easier to place than amalgam.
This document provides guidelines for tooth preparation for posterior metal-ceramic crowns and fixed partial dentures. It discusses key decisions including finish line form, margin design, total occlusal convergence, reduction amounts, and potential need for auxiliary resistance features. Ideal total occlusal convergence is 10-20 degrees. Facial reduction of 0.8-1.0mm is recommended, with potential need for less on small teeth. At least 2.0mm of occlusal clearance is needed for porcelain-veneered surfaces. Guidelines aim to provide adequate space for ceramics while conserving tooth structure.
Inlays and onlays. / implant dentistry course/ implant dentistry courseIndian 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.
The presentation features the types, advantages, disadvantages, objectives, indications, contraindications, factors involved, clinical procedure, modifications and complications of Stainless Steel Crown.
Restorative materials in pediatric dentistry classMINDS MAHE
This document discusses various restorative materials used in pediatric dentistry, including their properties and applications. It covers both preventive materials like fluoride and sealants, as well as direct restorative materials like amalgam, glass ionomer cement, zinc oxide eugenol, composite resins, and newer "smart materials". For each material, it discusses classifications, properties, indications, contraindications, composition and recent advancements. It provides detailed information on dental amalgam, glass ionomer cement, zinc oxide eugenol, composite resins and their various types and modifications that have been developed.
Inlays and onlays / implant dentistry course/ implant dentistry courseIndian 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.
This document provides guidelines for tooth preparation for complete metal crowns. It discusses advantages like maximum retention and resistance form, as well as disadvantages like requiring more tooth reduction. Ideal preparation includes a 0.3-0.5mm chamfer finish line and 10-20 degrees of axial wall convergence. Occlusal reduction should be 1.0-1.5mm. Additional grooves may enhance resistance for teeth with limited dimensions. Line angles should be rounded to prevent casting defects. Examples demonstrate preparation steps and required modifications for fixed partial dentures.
The document discusses minimally invasive ceramic inlays and onlays. It defines inlays as intracoronal restorations made outside the tooth and luted in, while onlays provide partial coverage of one or more cusps. Ceramic inlays and onlays can provide durable, esthetic alternatives to composites for restoring moderate tooth defects. They involve an indirect fabrication process and bonding to the tooth to reinforce weakened structures and allow for more conservative tooth preparation compared to crowns. The document outlines the indications, contraindications, advantages, and disadvantages of ceramic inlays and onlays and provides details on preparation design and technique considerations.
Restoring primary anterior teeth with esthetic crownsSung-Ki Kim
This document discusses the use of zirconia crowns for primary anterior teeth. It provides information on the physical and mechanical properties of zirconia that make it suitable for dental crowns, including its strength, hardness, and biocompatibility. The document presents results from a pilot study comparing the wear of enamel from zirconia and alumina materials, finding that zirconia's wear rates are within normal enamel wear rates and comparable to alumina. Clinical cases are presented showing zirconia crowns on primary anterior teeth with no excessive attrition over follow-up periods of 1-3 years.
- Dental crowns are restorations that cover and encase teeth. They are used to rebuild broken or decayed teeth, strengthen teeth, or improve cosmetic appearance.
- The process of making a crown typically takes two appointments - the tooth is prepared, an impression is made, and a temporary crown is placed at the first visit. At the second visit, the permanent crown is cemented.
- Studies show that crowns with shoulder finish lines have better marginal fit than those with chamfer finish lines. However, crowns with chamfer finish lines have greater fracture strength. The type of finish line used depends on the clinical situation and required strength.
- Dental crowns are restorations that cover and encase teeth. They are used to rebuild broken or decayed teeth, strengthen teeth, or improve cosmetic appearance.
- The process of making a crown typically takes two appointments - the tooth is prepared, an impression is made, and a temporary crown is placed at the first visit. At the second visit, the permanent crown is cemented.
- Studies have shown that crowns with shoulder finish lines have better marginal fit than those with chamfer finish lines. However, crowns with chamfer finish lines have greater fracture strength. The type of finish line used depends on the specific tooth and restoration.
This document provides an overview of stainless steel crowns used in pediatric dentistry. It discusses the history and development of stainless steel crowns, their composition, indications and contraindications for use. The document outlines the armamentarium, techniques and modifications for placing stainless steel crowns. It also addresses advantages like longevity and protection of tooth structure, and disadvantages such as appearance. Overall, the document presents stainless steel crowns as an effective treatment for restoring severely decayed primary teeth.
Stainless steel crowns in paediatric dentistryDr Ravneet Kour
Stainless steel crowns are commonly used in pediatric dentistry to restore heavily decayed primary molars. They have a long history of use dating back to the 1940s. There are different types based on composition and morphology. Indications include restoring teeth with extensive decay involving multiple surfaces. Contraindications include teeth with advanced root resorption. Placement involves tooth preparation, crown selection, adaptation and cementation. Potential complications include aspiration during placement and nickel allergy in some patients.
The document provides information on metal-ceramic crowns, including:
- Metal-ceramic crowns consist of a cast metal substructure veneered with porcelain, combining strength and esthetics. Significant tooth reduction is required for the porcelain.
- The preparation involves placing guiding grooves, reducing the incisal edge/occlusion, and reducing the facial, proximal, and lingual surfaces. A minimum of 1.2mm of space is needed for the materials.
- The process aims to provide adequate thickness for the porcelain for esthetics while maintaining retention, resistance form, and a path of withdrawal.
Stainless steel crowns are semi-permanent restorations used for primary and young permanent teeth. They provide superior longevity compared to other restorative materials. Stainless steel crowns require minimal tooth preparation and can be placed in a single appointment, making them efficient. They are indicated for restoring teeth with extensive decay, following pulpotomies, in patients with poor oral hygiene, and as a space maintainer. Proper tooth preparation, crown adaptation, cementation, and follow up are important for success.
Stainless steel crowns have been used since the 1940s to restore primary teeth. They provide full coverage of badly broken down teeth and can be placed quickly and economically compared to other restorative materials. SSCs are durable and help prevent further decay by fully covering the tooth. They are indicated for restoring teeth with large or multi-surface cavities, following pulpal therapy, or for high-risk patients. Placement involves preparing the tooth with rounded line angles and occlusal reduction before selecting the correct sized preformed crown and adapting it over the tooth margins.
This document discusses various types of crowns used in pediatric dentistry to restore primary teeth. It begins by introducing the need for aesthetic full coverage restorations in children. It then describes several types of crowns in detail, including their indications, advantages, disadvantages, and placement techniques. The crowns discussed are stainless steel, open-faced steel, polycarbonate, composite strip, pre-veneered steel, and NuSmile crowns. For each type, the document outlines the specific technique for tooth preparation and crown cementation or bonding. The goal of discussing these various crown options is to help pediatric dentists select the best restoration for primary teeth based on factors like aesthetics, durability, and technique sensitivity.
Stainless steel crowns are semi-permanent restorations used for primary and young permanent teeth. They were introduced in 1950 as chrome-steel crowns. The objectives are to provide a biologically compatible and masticatorily functional restoration that maintains the tooth's form, function, and vitality when possible. There are three types - untrimmed, pretrimmed, and precontoured. Placement involves tooth preparation with reduction, selection of appropriately sized crowns, trial fitting, contouring and crimping, and final cementation.
Tooth preparation for full veneer crowns /certified fixed orthodontic course...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
This document discusses stainless steel crowns, which are semi-permanent restorations used in primary and young permanent teeth. It describes the history, types, indications, advantages, disadvantages, composition, placement procedure, modifications, and complications of stainless steel crowns. Stainless steel crowns provide full tooth coverage and are effective for restoring extensively decayed or malformed primary teeth. They are durable, economical restorations that can improve function and aesthetics for young patients.
This document provides information about stainless steel crowns (SSCs), including their history, objectives, indications, contraindications, types, composition, clinical procedure, and references. Some key points:
- SSCs were first described in the 1950s and became commonly used in the 1960s to restore primary and permanent teeth.
- Objectives are to achieve a biologically compatible restoration that maintains tooth form and function.
- Indications include restoring teeth after pulpotomy/pulpectomy, with large/deep caries, or when 3+ surfaces need restoration.
- Clinical procedure involves evaluating occlusion, selecting correct crown size, tooth preparation to provide space and remove caries, and cementing the crown
The document discusses stainless steel crowns used for restoring primary teeth. It covers:
1) Characteristics of stainless steel crowns including their composition of chromium, nickel and iron.
2) Indications for their use such as extensive decay, pulp therapy, developmental defects, and as a preventive restoration.
3) The procedure for placing stainless steel crowns which involves tooth preparation, selection of the correct sized crown, contouring and crimping the crown, cementation and post-cementation checks.
The document provides steps for placing stainless steel crowns (SSCs) on primary teeth. Key points include:
1. Teeth are prepared with occlusal, proximal, and gingival reductions to allow proper adaptation of preformed SSCs.
2. SSCs are contoured and crimped as needed before cementation.
3. SSCs provide a durable restoration for restoring extensively decayed primary teeth and are easier to place than amalgam.
This document provides guidelines for tooth preparation for posterior metal-ceramic crowns and fixed partial dentures. It discusses key decisions including finish line form, margin design, total occlusal convergence, reduction amounts, and potential need for auxiliary resistance features. Ideal total occlusal convergence is 10-20 degrees. Facial reduction of 0.8-1.0mm is recommended, with potential need for less on small teeth. At least 2.0mm of occlusal clearance is needed for porcelain-veneered surfaces. Guidelines aim to provide adequate space for ceramics while conserving tooth structure.
Inlays and onlays. / implant dentistry course/ implant dentistry courseIndian 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.
The presentation features the types, advantages, disadvantages, objectives, indications, contraindications, factors involved, clinical procedure, modifications and complications of Stainless Steel Crown.
Restorative materials in pediatric dentistry classMINDS MAHE
This document discusses various restorative materials used in pediatric dentistry, including their properties and applications. It covers both preventive materials like fluoride and sealants, as well as direct restorative materials like amalgam, glass ionomer cement, zinc oxide eugenol, composite resins, and newer "smart materials". For each material, it discusses classifications, properties, indications, contraindications, composition and recent advancements. It provides detailed information on dental amalgam, glass ionomer cement, zinc oxide eugenol, composite resins and their various types and modifications that have been developed.
Inlays and onlays / implant dentistry course/ implant dentistry courseIndian 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.
This document provides guidelines for tooth preparation for complete metal crowns. It discusses advantages like maximum retention and resistance form, as well as disadvantages like requiring more tooth reduction. Ideal preparation includes a 0.3-0.5mm chamfer finish line and 10-20 degrees of axial wall convergence. Occlusal reduction should be 1.0-1.5mm. Additional grooves may enhance resistance for teeth with limited dimensions. Line angles should be rounded to prevent casting defects. Examples demonstrate preparation steps and required modifications for fixed partial dentures.
The document discusses minimally invasive ceramic inlays and onlays. It defines inlays as intracoronal restorations made outside the tooth and luted in, while onlays provide partial coverage of one or more cusps. Ceramic inlays and onlays can provide durable, esthetic alternatives to composites for restoring moderate tooth defects. They involve an indirect fabrication process and bonding to the tooth to reinforce weakened structures and allow for more conservative tooth preparation compared to crowns. The document outlines the indications, contraindications, advantages, and disadvantages of ceramic inlays and onlays and provides details on preparation design and technique considerations.
Restoring primary anterior teeth with esthetic crownsSung-Ki Kim
This document discusses the use of zirconia crowns for primary anterior teeth. It provides information on the physical and mechanical properties of zirconia that make it suitable for dental crowns, including its strength, hardness, and biocompatibility. The document presents results from a pilot study comparing the wear of enamel from zirconia and alumina materials, finding that zirconia's wear rates are within normal enamel wear rates and comparable to alumina. Clinical cases are presented showing zirconia crowns on primary anterior teeth with no excessive attrition over follow-up periods of 1-3 years.
- Dental crowns are restorations that cover and encase teeth. They are used to rebuild broken or decayed teeth, strengthen teeth, or improve cosmetic appearance.
- The process of making a crown typically takes two appointments - the tooth is prepared, an impression is made, and a temporary crown is placed at the first visit. At the second visit, the permanent crown is cemented.
- Studies show that crowns with shoulder finish lines have better marginal fit than those with chamfer finish lines. However, crowns with chamfer finish lines have greater fracture strength. The type of finish line used depends on the clinical situation and required strength.
- Dental crowns are restorations that cover and encase teeth. They are used to rebuild broken or decayed teeth, strengthen teeth, or improve cosmetic appearance.
- The process of making a crown typically takes two appointments - the tooth is prepared, an impression is made, and a temporary crown is placed at the first visit. At the second visit, the permanent crown is cemented.
- Studies have shown that crowns with shoulder finish lines have better marginal fit than those with chamfer finish lines. However, crowns with chamfer finish lines have greater fracture strength. The type of finish line used depends on the specific tooth and restoration.
Partial veener crowns /certified fixed orthodontic courses by Indian dental a...Indian dental academy
The document discusses partial veneer crowns, specifically three-quarter crowns. It provides historical context on partial veneer crowns dating back to ancient times. It then covers terminology, advantages and disadvantages, indications and contraindications, treatment planning considerations, and preparation techniques for maxillary posterior three-quarter crowns. Proper preparation is important to provide adequate retention and resistance while minimizing removal of sound tooth structure.
The document discusses artificial and temporary crowns. It defines an artificial crown as a fixed prosthesis that restores the anatomical shape, size, and function of a damaged tooth. Temporary crowns are made directly by the dentist or indirectly by a dental technician from an impression. They serve to protect the prepared tooth, maintain esthetics and function during treatment, and ensure proper fit of the eventual permanent crown. The document outlines methods of tooth preparation, materials used for temporary and permanent crowns, and the functions of temporary crowns.
This document provides information on tooth preparation for full veneer crowns. It begins with an introduction stating that tooth preparation is an important phase that everything following, like vitality, health, esthetics, and longevity depend on. It then discusses the history of crowns dating back to 300-400 BC and developments over time. Principles of tooth preparation according to Rosenstiel and Shillingburg are outlined focusing on biologic factors, mechanical retention and resistance form, esthetics, and the periodontium. Terminologies are defined. The different crowns types - complete cast metal, anterior/posterior metal-ceramic, porcelain jacket, and all-ceramic crowns are described along with their indications, advantages, disadvantages
Tooth preparation for cast metal restoration / endodontic courses by indian d...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 inlays and onlays. It defines inlays as restorations that involve the occlusal surface and one or more proximal surfaces of a posterior tooth, while onlays additionally involve restoring the cusp tips. The document discusses the indications, contraindications, classifications, advantages, disadvantages, tooth preparation process, and materials used for inlays and onlays. The goal of inlay and onlay preparations is to eliminate caries while maintaining adequate tooth structure for resistance and retention forms.
The document discusses principles of tooth preparation for fixed partial dentures. It covers objectives like reducing tooth structure for retention while preserving healthy tooth structure. Principles include conservative preparation with minimal taper and preservation of tooth structure. Margin placement should be supragingival when possible. Margin designs like chamfer and shoulder are described. Tooth preparation creates retention and resistance for fixed restorations.
This document discusses the restoration of endodontically treated teeth. It outlines that endodontically treated teeth are weakened and restorations aim to protect them from fracture while maintaining a seal. Key factors in planning restorations include remaining tooth structure, occlusion, and root anatomy. Restorations may involve posts, cores, and crowns. Posts should be retentive, non-corrosive and not excessively weaken roots. Cores replace missing structure and improve retention for crowns, which provide optimal esthetics and function but require more tooth reduction. The best materials depend on specific clinical factors.
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 document discusses the principles of tooth preparation for cast restorations:
1) Preservation of tooth structure by using minimal preparation and taper, following anatomical planes, and selecting conservative margins.
2) Providing retention and resistance through opposing axial walls, taper, length, and limiting freedom of displacement.
3) Ensuring structural durability with adequate occlusal reduction and clearance, functional cusp bevels, and axial reduction to allow for bulk.
4) Maintaining marginal integrity with supragingival margins where possible and accurate margin adaptation.
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.
An Introduction to Fixed Prosthodontics dr. wasan.pptxaliimad10
This document discusses crowns and bridges in dentistry. It defines crowns as fixed restorations that cover the coronal portion of teeth to restore morphology, contour, and function. Bridges are fixed prostheses that replace one or more missing teeth by connecting to adjacent natural teeth or roots. The document outlines different types of crowns and components of bridges, as well as the purposes, materials, and steps for constructing crowns and bridges.
1. The document discusses cavity designs for inlay restorations, including definitions, indications, contraindications, materials used, and the general principles and steps for class II cavity preparation.
2. Key preparation features discussed include taper, circumferential tie, bevels, flares, and dovetail retention forms to improve the retention and resistance of inlay restorations.
3. The steps for class II cavity preparation include making occlusal punch cuts, extensions, and outlines followed by preparing proximal boxes and planing the walls.
Posterior tooth preparations/dental crown &bridge course by Indian dental aca...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.
A single complete denture is a complete denture that occludes against some or all of the natural teeth, a fixed restoration, or a previously constructed removable partial denture or a complete denture.
Opposing natural teeth that are sufficient in number and do not necessitate a fixed or removable partial denture.
Opposing a partially edentulous arch in which the missing teeth have been or will be replaced by a fixed partial denture.
Opposing arch with an existing complete denture.
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Syllabus
Chapter-1
Introduction to objective, scope and outcome the subject
Chapter 2
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1. Clinical Section
Marginal Adaptation of Stainless Steel Crowns
Theodore P. Croll, DDS David W. Epstein, DDS, MSD Cosmo R. Castaldi, DDS, MSD
Dr. Croll is in private practice, Doylestown, Pa, and clinical professor, Department of Pediatric Dentistry, School of Dental
Medicine, University of Pennsylvania, Philadelphia, Pa; Dr. Epstein is in private practice, West Hartford, Conn;
Dr. Castaldi is professor emeritus, University of Connecticut School of Dental Medicine, Farmington, Conn.
Correspond with Dr. Croll at willipus@tradenet.net
Abstract
The chief goal of full coronal restoration using preformed stainless steel crowns (SSC) is
replication of normal crown form and function. Marginal adaptation of SSCs involves
appropriate crown size selection, trimming the crown form to achieve proper length,
crimping crown edges to proximate the prepared tooth, and finishing and polishing the
crown form. This report about SSC restoration focuses on the procedure of adapting,
finishing, and polishing crown margins. (Pediatr Dent. 2003;25:249-252)
KEYWORDS: STAINLESS STEEL CROWN, PEDIATRIC RESTORATIVE DENTISTRY
Received November 1, 2002 Revision Accepted April 25, 2003
clinical section
M
arginal adaptation is an important part of the well as axial contouring to replicate natural crown configu-
stainless steel crown (SSC) restorative procedure. ration. Such crowns work well if spatial relationships of
Axial extensions of the preformed crown should teeth in an arch necessitate broader and flatter proximal
replicate, as closely as possible, dimensions and contours crown design. Today’s most popular SSC forms, 3M ESPE
of the original tooth form (Figure 1). Poorly adapted SSC Stainless Steel Crowns (formerly “ION”), are manufactured
margins can affect associated periodontal tissues and also with a curved axial design and anatomically defined occlusal
hinder eruption of adjacent teeth. An example of this prob- surfaces, resembling normal tooth form. Precontoured
lem is when an overextended distal margin on a second SSCs require less manipulation to accurately fit a prepared
primary molar SSC engages the mesial marginal ridge of tooth, but with careful handling, any of the available crown
the permanent molar in its eruptive course. One case was forms usually can be adapted suitably.
reported in which a poorly adapted SSC on a permanent Regardless of the brand chosen, edges of SSC forms
molar engaged and impacted the adjacent second premo- cannot be machined to curve sufficiently inward to pre-
lar and second molar, resulting in serious malocclusion and cisely abut the tooth around its entire periphery. That final
caries (Figure 2).1 adaptation phase must be achieved by the dentist, custom-
Some SSC forms, such as the 3M Unitek stainless steel izing marginal fit to the individual tooth preparation. There
crown (3M ESPE, St. Paul, Minn) and the DENOVO has never been a SSC form that by sheer coincidence of
stainless steel crown (DENOVO, Baldwin Park, Calif), the manufactured product adapts ideally at the margins
have flat axial surfaces and require marginal adaptation as without further manipulation by the dentist.
Figure 1. Well adapted stainless steel crowns, as shown in bitewing radiographs left and right. Open mesial and distal margins are evident in the
middle radiograph.
Pediatric Dentistry – 25:3, 2003 Crown margin adaptation Croll et al. 249
2. This report details a method of adapting
SSC margins as precisely as possible to prepared
teeth. The goal is to contour, finish, and pol-
ish the edges of the crown form so that they
curve smoothly toward the tooth surfaces
circumferentially, replicating natural cervical
contours of enamel at the crown/root interface
(Figures 3 and 4).
Technique
The SSC procedure for both primary and per-
manent posterior teeth has been reviewed,
along with adaptation of anterior crowns.2-10
The steps of tooth preparation for the SSC
procedure include debridement of carious
tooth substance and placement of dentin liner
(such as resin-modified glass ionomer cement)
as indicated, followed by miniaturization of the
Figure 2. Unadapted stainless steel crown margins impact adjacent teeth causing coronal form with high-speed, water-cooled
malocclusion and predisposing teeth to caries (radiographs courtesy of Dr. M.S.
McKay; originally published in reference no. 1). diamond burs. Tooth preparation is designed
such that the anatomical form of the adapted SSC
will replicate, as closely as possible, original tooth
clinical section
Figure 3. A stainless steel crown form ideally adapted to extracted Figure 4. Adapted, finished, and polished first primary molars crowns
permanent molar and sectioned. Note crown orientation, marginal (buccal side) compared to crown forms as manufactured (lingual side).
adaptation, and resin-modified glass ionomer luting cement.
Figure 5. A heatless stone used for trimming crown margins to proper Figure 6. The crimping pliers bends edges inwardly.
length.
250 Croll et al. Crown margin adaptation Pediatric Dentistry – 25:3, 2003
3. configuration, spatial relationships in the arch (including
proximal contacts), and occlusal or incisal function. After
the proper size crown form has been selected, marginal
adaptation can be accomplished as follows:
1. With a large abrasive wheel (“heatless stone”) or dia-
mond wheel on a straight slow speed angle, crown
length is custom cut (Figure 5). Although most pedi-
atric restorative dentistry textbooks suggest crown and
bridge scissors for cutting down crown edges, the au-
thors find that the large diameter rotating abrasive
stone makes for more precise reduction. The aim is
to recreate marginal ridge heights in relationship to
adjacent teeth and have sufficient marginal extension Figure 7. Rotating counterclockwise in this view, the heatless stone
to overlap the cervical bulge of the crown. Ideally, the thins the margin and applies a “minicrimp” to crown edges.
crown margins for a primary molar can approximate
the anatomical location of the cementoenamel junc-
tion, or slightly occlusal to it, around the full periphery
of the crown. For permanent posterior teeth, the con-
toured crown margins should be more coronal, so that
ultimate preparation for a precision cast crown in
adulthood is not compromised in any way. This goal
is generally easy to attain, because in young patients,
permanent posterior teeth are continually erupting
and only a portion of the crown is available for prepa-
ration. During selection of a suitable crown form size,
clinical section
one should remember that if a selected crown does not
fit a prepared tooth, either the tooth is insufficiently
prepared, the chosen crown form too small, or both. Figure 8. A rubber wheel smoothes crimped margins.
2. With crimping pliers, the edge of the crown form (0.5-
1 mm) is bent slightly inward around the crown
periphery (Figure 6).
3. The abrasive wheel is then applied to the edges, ro-
tating toward the margins from the occlusal direction
(counterclockwise in Figure 7). Such action thins the
marginal stainless steel material and curves it slightly
more toward the axial walls of the tooth (Figure 7).
4. The crown surfaces are then smoothed and polished
with a rubber wheel, applied in the same direction
(Figure 8). A double attachment mandrel which can
accommodate the abrasive wheel and the rubber pol-
ishing wheel simultaneously is an ideal instrument for
this procedure (Practicon, Inc, Greenville, NC). Figure 9. Final finishing and polishing completed on lathe with Tripoli
5. For final finishing, the crown form can be smoothed and jeweler’s rouge on cloth wheels.
and polished with a cloth or chamois wheel on the den-
tal lathe, using Tripoli polishing agent and jeweler’s
rouge (iron oxide) (Figure 9). Debris from the finish-
ing process, accumulated inside the crown, can be
removed with a wet cotton swab. An adapted, finished,
and polished SSC form is shown, along with a crown
form as supplied by the manufacturer in Figure 10.
Discussion
The authors have found several commercially available
crimping pliers that can be used effectively for manipula-
tion of preformed crown margins. DENOVO’s small
crimping pliers (#800-421) and regular crimping pliers
(#800-417) are particularly useful for both anterior and Figure 10. A finished and polished stainless steel crown form ready for
cementation (left) and before adaptation (right).
Pediatric Dentistry – 25:3, 2003 Crown margin adaptation Croll et al. 251
4. posterior crown form crimping. In addition, The Groper Author’s note
Crimper (#230-750; Success Essentials, Chatsworth, Calif) The authors have no financial interest in any product iden-
is another pliers that works well. Regardless of the brand tified in this article. The senior author (TPC) has a licensing
of pliers chosen, abrasive stones and rubber smoothing agreement with DENOVO for a patented dental product
wheels can be used to adapt pliers tips to the practitioner’s that is not mentioned in this work.
liking.
Over the last decade, the authors have found that SSCs References
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ionomer luting cement.7 Such cements are biocompatible, manent teeth by over extended stainless steel crown
form a chemical bond to tooth structure and have high margins: report of a case. J Pedod. 1981;5:240-244.
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forms that often are expected to remain in place for 5 to crown for restoration of permanent posterior teeth in
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clinical section
SSCs are no exception, and periodontal considerations of mary canine tooth: a pictorial essay. J Pedod. 1982;
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replicate biological essence), the clinician should strive to less steel crowns for primary incisor restoration.
re-establish, as closely as possible, the natural state when Quintessence Int. 1996;27:309-313.
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The principles for adapting posterior SSC forms can also surface smoothness and plaque accumulation on stain-
be applied to fitting and finishing marginal areas of pri- less steel crowns. Pediatr Dent. 1980;2:275-278.
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of the anterior crown forms, alteration of the crimping
pliers may be useful so that the tips fit internally.
252 Croll et al. Crown margin adaptation Pediatric Dentistry – 25:3, 2003