This document summarizes 5 case reports demonstrating the use of a 940nm diode laser for various soft tissue dental procedures. The laser was used to perform a frenectomy, second stage implant surgery, vestibular deepening, gingivectomy, and gingival depigmentation. For all cases, the laser provided advantages over traditional techniques such as less bleeding, pain, swelling and scarring. Patients experienced faster healing and good postoperative outcomes. The document concludes the diode laser is a beneficial device for soft tissue dental surgery that provides intraoperative and postoperative advantages compared to conventional methods.
Valuable clinical guide for soft tissue diode laser users with pre & post operative pics , useful , fully informative with tips helps my beloved coleagues to enjoy & profession the use of soft tissue dental laser #clinical_dental_laser #dental_laser #soft_tissue_laser
The document discusses the use of lasers in periodontics, including for treating dentinal hypersensitivity, non-surgical periodontal therapy, and surgical therapy. It summarizes the different types of lasers used, such as low-level lasers for biostimulation, Nd:YAG and diode lasers for bacterial reduction, and Er:YAG lasers for calculus detection and removal with minimal thermal damage to tooth surfaces. The document reviews studies on the effectiveness of lasers for calculus detection and removal, bacterial reduction, detoxification of root surfaces, and biostimulation effects with low-level laser therapy.
This document provides an overview of lasers used in periodontics. It discusses the history of lasers dating back to 1917 and important developments. Key laser terminology is defined, including wavelengths, power, modes of operation, and tissue interactions. The major types of lasers are classified and their components described. Advantages of lasers include precision and hemostasis, while disadvantages include cost and safety concerns. Applications of lasers in periodontics include non-surgical therapy, surgery, and implant treatment.
This document provides an overview of lasers used in dentistry, including their history, mechanisms of action, applications, and safety measures. It discusses how lasers were first developed in the 1960s and introduced to dentistry in the 1990s. The main types of lasers used include CO2, Nd:YAG, Er:YAG, and KTP lasers. Lasers can be used for both hard and soft tissue procedures, such as caries removal, gingivectomies, and lesion removal, with advantages like reduced pain, bleeding, and recovery time compared to traditional techniques. Safety precautions must be followed when using lasers to protect patients and operators.
Lasers have various applications in operative dentistry including cavity preparation, caries detection, bleaching, and composite resin polymerization. Different types of lasers such as Er:YAG, CO2, and diode lasers can be used to ablate dental hard tissues with little pulp damage. Lasers also increase the resistance of enamel and dentin to caries, aid in caries diagnosis, and accelerate tooth whitening. Their precision and ability to coagulate tissues make lasers beneficial for various dental procedures with advantages such reduced pain and scarring.
This document discusses the use of lasers in periodontology. It begins by covering laser tissue interaction and the types of lasers available for periodontal applications. The document then summarizes several clinical applications of lasers in periodontology including frenectomies, crown lengthening, biopsies, and treatments for lesions, ulcers, and bleeding disorders. It also discusses uses for guided tissue regeneration, scaling and root planing, and preprosthetic surgery. In general, lasers provide benefits like less bleeding, sterilization of surgical sites, reduced post-op pain and swelling, and faster procedures. The laser-assisted new attachment procedure is described as a method for treating moderate to advanced periodontitis. Both advantages
This document discusses gingivectomy and gingivoplasty periodontal procedures. Gingivectomy involves excising soft tissue from periodontal pockets to eliminate them, while gingivoplasty reshapes gingiva that has lost its normal contours without removing pockets. Surgical gingivectomy involves making incisions and removing pocket walls with knives and nippers. Laser and electrosurgery are alternative techniques. Gingivoplasty reshapes gingiva through thinning, tapering, and sculpting to create a scalloped margin. Both procedures aim to develop healthy tissue and contours, though gingivectomy is rarely used now due to inability to visualize bone and greater post-op discomfort compared to flap surgery.
Valuable clinical guide for soft tissue diode laser users with pre & post operative pics , useful , fully informative with tips helps my beloved coleagues to enjoy & profession the use of soft tissue dental laser #clinical_dental_laser #dental_laser #soft_tissue_laser
The document discusses the use of lasers in periodontics, including for treating dentinal hypersensitivity, non-surgical periodontal therapy, and surgical therapy. It summarizes the different types of lasers used, such as low-level lasers for biostimulation, Nd:YAG and diode lasers for bacterial reduction, and Er:YAG lasers for calculus detection and removal with minimal thermal damage to tooth surfaces. The document reviews studies on the effectiveness of lasers for calculus detection and removal, bacterial reduction, detoxification of root surfaces, and biostimulation effects with low-level laser therapy.
This document provides an overview of lasers used in periodontics. It discusses the history of lasers dating back to 1917 and important developments. Key laser terminology is defined, including wavelengths, power, modes of operation, and tissue interactions. The major types of lasers are classified and their components described. Advantages of lasers include precision and hemostasis, while disadvantages include cost and safety concerns. Applications of lasers in periodontics include non-surgical therapy, surgery, and implant treatment.
This document provides an overview of lasers used in dentistry, including their history, mechanisms of action, applications, and safety measures. It discusses how lasers were first developed in the 1960s and introduced to dentistry in the 1990s. The main types of lasers used include CO2, Nd:YAG, Er:YAG, and KTP lasers. Lasers can be used for both hard and soft tissue procedures, such as caries removal, gingivectomies, and lesion removal, with advantages like reduced pain, bleeding, and recovery time compared to traditional techniques. Safety precautions must be followed when using lasers to protect patients and operators.
Lasers have various applications in operative dentistry including cavity preparation, caries detection, bleaching, and composite resin polymerization. Different types of lasers such as Er:YAG, CO2, and diode lasers can be used to ablate dental hard tissues with little pulp damage. Lasers also increase the resistance of enamel and dentin to caries, aid in caries diagnosis, and accelerate tooth whitening. Their precision and ability to coagulate tissues make lasers beneficial for various dental procedures with advantages such reduced pain and scarring.
This document discusses the use of lasers in periodontology. It begins by covering laser tissue interaction and the types of lasers available for periodontal applications. The document then summarizes several clinical applications of lasers in periodontology including frenectomies, crown lengthening, biopsies, and treatments for lesions, ulcers, and bleeding disorders. It also discusses uses for guided tissue regeneration, scaling and root planing, and preprosthetic surgery. In general, lasers provide benefits like less bleeding, sterilization of surgical sites, reduced post-op pain and swelling, and faster procedures. The laser-assisted new attachment procedure is described as a method for treating moderate to advanced periodontitis. Both advantages
This document discusses gingivectomy and gingivoplasty periodontal procedures. Gingivectomy involves excising soft tissue from periodontal pockets to eliminate them, while gingivoplasty reshapes gingiva that has lost its normal contours without removing pockets. Surgical gingivectomy involves making incisions and removing pocket walls with knives and nippers. Laser and electrosurgery are alternative techniques. Gingivoplasty reshapes gingiva through thinning, tapering, and sculpting to create a scalloped margin. Both procedures aim to develop healthy tissue and contours, though gingivectomy is rarely used now due to inability to visualize bone and greater post-op discomfort compared to flap surgery.
This document provides an overview of guided tissue regeneration (GTR). It begins with definitions of periodontal regeneration and GTR. It then discusses the history and development of GTR from the 1970s onwards. The core concept of GTR is explained, which is based on Melcher's hypothesis that only periodontal ligament cells can regenerate the periodontal attachment apparatus. Indications, contraindications, design criteria and objectives of GTR barriers are covered. The document classifies and compares advantages and disadvantages of absorbable versus non-absorbable membranes. Key factors affecting GTR outcomes are discussed. Surgical techniques and the healing of GTR-treated defects are described. The document concludes with additional considerations like complications and the
Gingivectomy and gingivoplasty are procedures to remove gum tissue and reshape the gum line. Gingivectomy removes gum tissue from deep pockets, while gingivoplasty contours gum tissue without eliminating pockets. The document outlines the indications, contraindications, techniques, and healing process for gingivectomy. Surgical gingivectomy uses knives and curettes to remove gum tissue in pockets and reshape the gum line. Healing occurs through granulation tissue formation and re-epithelialization over 1-2 weeks. Other techniques include electrosurgery, laser gingivectomy, and chemo surgery.
This document discusses several laser dentistry systems and their applications. It provides information on the Philips ZoomWhiteSpeed light-activated whitening system, which can whiten teeth up to 8 shades in under an hour. It also discusses the Waterlase laser system which uses water and air to cut tissue without heat, vibration or pressure. Finally, it summarizes several other dental laser systems including models from Dentmat, CAO Group, Sirona, AMD, and Epic by Biolase.
This document discusses the use of lasers in oral medicine. It begins with definitions of lasers and a brief history of laser development. It describes the main types of lasers used in dentistry and their characteristics and applications. The document then discusses specific treatments using lasers for various oral conditions like aphthous ulcers, herpes labialis, pericoronitis, hemangiomas, fibromas, mucoceles, and leukoplakia. It concludes that lasers provide advantages like less bleeding, selective tissue removal, shorter procedures and reduced pain compared to conventional treatments.
Laser applications in oral medicine include photothermal, photochemical, photocoagulation, photovaporization, and photodynamic effects on biological tissues. Lasers have monochromatic, directional, bright, and coherent light that allows for precise tissue interactions. Delivery systems include direct application, articulated arms, fiber optics, waveguides, and scanners. Lasers can be used to stimulate, damage, or ablate tissue depending on the temperature achieved and exposure time.
This document discusses different methods of gingivectomy including surgical, electrosurgical, laser, and chemical gingivectomy. It provides definitions and indications for gingivectomy as well as contraindications. The document describes the surgical technique for traditional gingivectomy and postoperative instructions. It compares the healing process and outcomes of different gingivectomy methods and their advantages and disadvantages. Electrosurgery, lasers, and chemosurgery are less favorable than surgical gingivectomy due to greater bone injury, necrosis, and delayed healing.
This document discusses the use of lasers in endodontics. It begins with a brief history of lasers, describing their development from Einstein's work in the early 1900s to their first use in dentistry in the 1970s. It then covers laser physics and components, different types of lasers including wavelengths used in dentistry, and laser tissue interactions. The main body discusses several clinical applications of lasers in endodontics such as pulp testing, pulp capping, pulpotomy, root canal disinfection and shaping, and endosurgery. Lasers can provide benefits like reduced need for anesthesia, hemostasis, and less collateral damage compared to other tools. Training is required and no single laser can perform all
The term LASER is an acronym for ‘Light Amplification by the Stimulated Emission of Radiation’. As its first application in dentistry by Miaman, in 1960, the laser has seen various hard and soft tissue applications. In the last two decades, there has been an explosion of research studies in laser application. In hard tissue application, the laser is used for caries prevention, bleaching, restorative removal and curing, cavity preparation, dentinal hypersensitivity, growth modulation and for diagnostic purposes, whereas soft tissue application includes wound healing, removal of hyperplastic tissue to uncovering of impacted or partially erupted tooth, photodynamic therapy for malignancies, photostimulation of herpetic lesion. Use of the laser proved to be an effective tool to increase efficiency, specificity, ease, and cost and comfort of the dental treatment.
This document provides an overview of lasers in dentistry. It discusses the history and development of lasers, how lasers are designed and how laser light interacts with tissues. It describes common dental lasers like CO2 and argon lasers, and their applications. CO2 lasers are well absorbed in oral tissues and useful for soft tissue procedures. Argon lasers are absorbed by hemoglobin and melanin, making them good for coagulation. The document outlines the benefits of lasers for various dental procedures.
This document summarizes a surgical crown lengthening procedure performed on tooth 14. Crown lengthening involves surgically exposing more tooth structure to allow for proper placement of a restorative margin. For tooth 14, a full thickness flap was reflected and bone was removed to expose 1mm of tooth structure while maintaining the biological width. The flap was repositioned and sutured. Post-operative instructions included soft foods and chlorhexidine rinses. Follow up involved suture removal and irrigation.
INTRODUCTION
HISTORY
PRINCIPLES OF WORKING OF A LASER
FUNDAMENTALS OF LASER
CHARACTERISTICS OF LASER
CLASSIFICATION OF LASER
EFFECTS OF LASER ON SOFT AND HARD TISSUES
VARIOUS LASERS AVAILABLE FOR PERIDONTAL USE
APPLICATION OF LASER TREATMENT IN PERIODONTAL THERAPY
ADVANTAGES & DISADVANTAGES OF LASER IN PERIODONTAL THERAPY
LASER PRECAUTIONS
LASER HAZARDS
RECENT ADVANCES
CONCLUSION
This document discusses the use of lasers in periodontal treatment. It begins by introducing several types of lasers approved for soft tissue treatments in dentistry, including CO2, Nd:YAG, and diode lasers. The Er:YAG laser is also noted as being approved for hard tissue treatments. The document then lists advantages of laser surgery over conventional treatments. It provides examples of soft tissue applications like gingivectomy, gingivoplasty, and frenectomy. Hard tissue applications mentioned include scaling and root planing, bone procedures, whitening, and crown lengthening. Specific case examples are also included to illustrate laser procedures.
This document discusses the use of lasers in dentistry. It begins with an introduction and history of lasers, then covers the fundamentals of laser operation and classification of lasers. The main uses of lasers in dentistry include soft tissue procedures like biopsy and surgery. Techniques for ablation, vaporization, and low level laser therapy are described. Benefits are reduced pain and bleeding, while risks include hazards to patients and staff if not used properly. Proper safety protocols and sterilization of laser equipment are emphasized.
This document provides an overview of lasers and their use in dentistry. It begins with the history and fundamentals of lasers, including how they work and their properties. Commonly used dental lasers such as Nd:YAG, CO2, and diode lasers are then described. The applications of lasers in dentistry are discussed, including procedures on hard and soft tissues. Some advantages of lasers are their precision and reduced pain compared to traditional methods. Protection measures for laser use are also outlined. The document concludes that lasers provide alternatives to conventional surgery and are an effective "new scalpel" in dentistry.
This document discusses periodontal regeneration and the various factors involved. It begins by defining key terminology related to grafting and regeneration. It then discusses the biology and objectives of periodontal regeneration, including the ideal outcome of new attachment formation and factors that can influence outcomes. The document outlines various techniques for periodontal regeneration including non-graft associated approaches involving removal of epithelium and surgical techniques, as well as graft-associated approaches using various graft materials. Requirements for predictable regeneration and assessment methods are also summarized.
This document summarizes the history and uses of lasers in dentistry. It discusses how lasers work through processes like stimulated emission and outlines the active mediums and components of different laser types. It describes common dental lasers like CO2, diode, Nd:YAG and Er:YAG lasers and their applications. These include soft tissue procedures, caries detection and removal, periodontal therapy, implant treatment, bleaching and more. Precautions, advantages and disadvantages of each laser are also summarized.
Lasers have various applications in prosthodontics including gingival retraction, crown lengthening, edentulous site preparation, osseous recontouring, soft tissue management, and removable prosthodontics. Different lasers such as diode, Nd:YAG, Er:YAG, and CO2 lasers can be used depending on whether hard or soft tissue is being treated, with Er lasers able to recontour bone. Lasers provide benefits like precision, hemostasis, and improved tissue healing compared to traditional methods.
This document discusses resective osseous surgery for treating periodontal bone defects. It covers normal bone anatomy, classification of bone defects, rationale for resective surgery, techniques, instruments and steps. Resective surgery aims to reshape marginal bone to resemble healthy bone and facilitate maintenance. It can reliably reduce pocket depth by 0.6-1.2mm but risks root exposure and recession. Success requires careful patient selection and surgical skill.
This document provides an overview of guided tissue regeneration (GTR). It begins with definitions of periodontal regeneration and GTR. It then discusses the history and development of GTR from the 1970s onwards. The core concept of GTR is explained, which is based on Melcher's hypothesis that only periodontal ligament cells can regenerate the periodontal attachment apparatus. Indications, contraindications, design criteria and objectives of GTR barriers are covered. The document classifies and compares advantages and disadvantages of absorbable versus non-absorbable membranes. Key factors affecting GTR outcomes are discussed. Surgical techniques and the healing of GTR-treated defects are described. The document concludes with additional considerations like complications and the
Gingivectomy and gingivoplasty are procedures to remove gum tissue and reshape the gum line. Gingivectomy removes gum tissue from deep pockets, while gingivoplasty contours gum tissue without eliminating pockets. The document outlines the indications, contraindications, techniques, and healing process for gingivectomy. Surgical gingivectomy uses knives and curettes to remove gum tissue in pockets and reshape the gum line. Healing occurs through granulation tissue formation and re-epithelialization over 1-2 weeks. Other techniques include electrosurgery, laser gingivectomy, and chemo surgery.
This document discusses several laser dentistry systems and their applications. It provides information on the Philips ZoomWhiteSpeed light-activated whitening system, which can whiten teeth up to 8 shades in under an hour. It also discusses the Waterlase laser system which uses water and air to cut tissue without heat, vibration or pressure. Finally, it summarizes several other dental laser systems including models from Dentmat, CAO Group, Sirona, AMD, and Epic by Biolase.
This document discusses the use of lasers in oral medicine. It begins with definitions of lasers and a brief history of laser development. It describes the main types of lasers used in dentistry and their characteristics and applications. The document then discusses specific treatments using lasers for various oral conditions like aphthous ulcers, herpes labialis, pericoronitis, hemangiomas, fibromas, mucoceles, and leukoplakia. It concludes that lasers provide advantages like less bleeding, selective tissue removal, shorter procedures and reduced pain compared to conventional treatments.
Laser applications in oral medicine include photothermal, photochemical, photocoagulation, photovaporization, and photodynamic effects on biological tissues. Lasers have monochromatic, directional, bright, and coherent light that allows for precise tissue interactions. Delivery systems include direct application, articulated arms, fiber optics, waveguides, and scanners. Lasers can be used to stimulate, damage, or ablate tissue depending on the temperature achieved and exposure time.
This document discusses different methods of gingivectomy including surgical, electrosurgical, laser, and chemical gingivectomy. It provides definitions and indications for gingivectomy as well as contraindications. The document describes the surgical technique for traditional gingivectomy and postoperative instructions. It compares the healing process and outcomes of different gingivectomy methods and their advantages and disadvantages. Electrosurgery, lasers, and chemosurgery are less favorable than surgical gingivectomy due to greater bone injury, necrosis, and delayed healing.
This document discusses the use of lasers in endodontics. It begins with a brief history of lasers, describing their development from Einstein's work in the early 1900s to their first use in dentistry in the 1970s. It then covers laser physics and components, different types of lasers including wavelengths used in dentistry, and laser tissue interactions. The main body discusses several clinical applications of lasers in endodontics such as pulp testing, pulp capping, pulpotomy, root canal disinfection and shaping, and endosurgery. Lasers can provide benefits like reduced need for anesthesia, hemostasis, and less collateral damage compared to other tools. Training is required and no single laser can perform all
The term LASER is an acronym for ‘Light Amplification by the Stimulated Emission of Radiation’. As its first application in dentistry by Miaman, in 1960, the laser has seen various hard and soft tissue applications. In the last two decades, there has been an explosion of research studies in laser application. In hard tissue application, the laser is used for caries prevention, bleaching, restorative removal and curing, cavity preparation, dentinal hypersensitivity, growth modulation and for diagnostic purposes, whereas soft tissue application includes wound healing, removal of hyperplastic tissue to uncovering of impacted or partially erupted tooth, photodynamic therapy for malignancies, photostimulation of herpetic lesion. Use of the laser proved to be an effective tool to increase efficiency, specificity, ease, and cost and comfort of the dental treatment.
This document provides an overview of lasers in dentistry. It discusses the history and development of lasers, how lasers are designed and how laser light interacts with tissues. It describes common dental lasers like CO2 and argon lasers, and their applications. CO2 lasers are well absorbed in oral tissues and useful for soft tissue procedures. Argon lasers are absorbed by hemoglobin and melanin, making them good for coagulation. The document outlines the benefits of lasers for various dental procedures.
This document summarizes a surgical crown lengthening procedure performed on tooth 14. Crown lengthening involves surgically exposing more tooth structure to allow for proper placement of a restorative margin. For tooth 14, a full thickness flap was reflected and bone was removed to expose 1mm of tooth structure while maintaining the biological width. The flap was repositioned and sutured. Post-operative instructions included soft foods and chlorhexidine rinses. Follow up involved suture removal and irrigation.
INTRODUCTION
HISTORY
PRINCIPLES OF WORKING OF A LASER
FUNDAMENTALS OF LASER
CHARACTERISTICS OF LASER
CLASSIFICATION OF LASER
EFFECTS OF LASER ON SOFT AND HARD TISSUES
VARIOUS LASERS AVAILABLE FOR PERIDONTAL USE
APPLICATION OF LASER TREATMENT IN PERIODONTAL THERAPY
ADVANTAGES & DISADVANTAGES OF LASER IN PERIODONTAL THERAPY
LASER PRECAUTIONS
LASER HAZARDS
RECENT ADVANCES
CONCLUSION
This document discusses the use of lasers in periodontal treatment. It begins by introducing several types of lasers approved for soft tissue treatments in dentistry, including CO2, Nd:YAG, and diode lasers. The Er:YAG laser is also noted as being approved for hard tissue treatments. The document then lists advantages of laser surgery over conventional treatments. It provides examples of soft tissue applications like gingivectomy, gingivoplasty, and frenectomy. Hard tissue applications mentioned include scaling and root planing, bone procedures, whitening, and crown lengthening. Specific case examples are also included to illustrate laser procedures.
This document discusses the use of lasers in dentistry. It begins with an introduction and history of lasers, then covers the fundamentals of laser operation and classification of lasers. The main uses of lasers in dentistry include soft tissue procedures like biopsy and surgery. Techniques for ablation, vaporization, and low level laser therapy are described. Benefits are reduced pain and bleeding, while risks include hazards to patients and staff if not used properly. Proper safety protocols and sterilization of laser equipment are emphasized.
This document provides an overview of lasers and their use in dentistry. It begins with the history and fundamentals of lasers, including how they work and their properties. Commonly used dental lasers such as Nd:YAG, CO2, and diode lasers are then described. The applications of lasers in dentistry are discussed, including procedures on hard and soft tissues. Some advantages of lasers are their precision and reduced pain compared to traditional methods. Protection measures for laser use are also outlined. The document concludes that lasers provide alternatives to conventional surgery and are an effective "new scalpel" in dentistry.
This document discusses periodontal regeneration and the various factors involved. It begins by defining key terminology related to grafting and regeneration. It then discusses the biology and objectives of periodontal regeneration, including the ideal outcome of new attachment formation and factors that can influence outcomes. The document outlines various techniques for periodontal regeneration including non-graft associated approaches involving removal of epithelium and surgical techniques, as well as graft-associated approaches using various graft materials. Requirements for predictable regeneration and assessment methods are also summarized.
This document summarizes the history and uses of lasers in dentistry. It discusses how lasers work through processes like stimulated emission and outlines the active mediums and components of different laser types. It describes common dental lasers like CO2, diode, Nd:YAG and Er:YAG lasers and their applications. These include soft tissue procedures, caries detection and removal, periodontal therapy, implant treatment, bleaching and more. Precautions, advantages and disadvantages of each laser are also summarized.
Lasers have various applications in prosthodontics including gingival retraction, crown lengthening, edentulous site preparation, osseous recontouring, soft tissue management, and removable prosthodontics. Different lasers such as diode, Nd:YAG, Er:YAG, and CO2 lasers can be used depending on whether hard or soft tissue is being treated, with Er lasers able to recontour bone. Lasers provide benefits like precision, hemostasis, and improved tissue healing compared to traditional methods.
This document discusses resective osseous surgery for treating periodontal bone defects. It covers normal bone anatomy, classification of bone defects, rationale for resective surgery, techniques, instruments and steps. Resective surgery aims to reshape marginal bone to resemble healthy bone and facilitate maintenance. It can reliably reduce pocket depth by 0.6-1.2mm but risks root exposure and recession. Success requires careful patient selection and surgical skill.
Enterprise Desktops Well Served - a technical perspective on virtual desktopsMolten Technologies
This document discusses desktops as a service (DaaS) and the technical challenges of deploying virtual desktop solutions in an enterprise. It outlines recommendations for addressing challenges in areas like networking, storage, servers, offline access, and licensing. While DaaS currently delivers virtual desktop operating systems, the document predicts that technologies like rich internet applications will allow DaaS to move away from true desktop OSes. Further development is still needed for applications and cloud services to integrate seamlessly.
The document discusses various energy sources that have been or could be used for transportation and everyday life. It outlines biomass, hydropower, coal, petroleum, natural gas and nuclear fission as historical energy sources. It then examines alternatives to petroleum such as oil shale, coal liquefaction, and biodiesel. Finally, it analyzes options for fueling vehicles, including compressed natural gas which can power a vehicle for up to 300 miles with 80% lower emissions, and hybrid gasoline-electric vehicles which increase overall efficiency by almost 40% through regenerative braking.
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive functioning. Exercise causes chemical changes in the brain that may help boost feelings of calmness, happiness and focus.
This document discusses techniques for interactive hair rendering under environment lighting. It proposes representing the environment lighting as a sum of spherical radial basis functions (SRBFs). SRBFs can approximate spherical functions and represent individual lights. The transmittance of hair is computed using a deep opacity map technique. Multiple scattering is modeled by convolving SRBF lights with a scattering function. This allows interactive rendering of hair under complex environment lighting.
HP provides many free green resources for organizations looking to reduce their environmental impact and carbon footprint, including a carbon footprint calculator, green IT action plan guide, and Smart Web Printing tool. KYOCERA developed the first printers to use amorphous silicon drums instead of OPC drums, increasing drum lifespan and reducing waste. Xerox introduced the first copiers and duplicators with automatic duplex printing in 1970, reducing paper usage. Toshiba offsets the carbon emissions from its printers through a program providing efficient cookstoves to households in Kenya.
Rugby is the author's favorite past time. The document discusses various positions in women's 15-player rugby including flanker, lock, and the importance of teamwork, tackling, and the pack working together.
This document provides background information on East Timor, including its history of Portuguese colonization, Indonesian invasion in 1975, and ongoing resistance movement. It details East Timor's geography, economy, and ethnic groups. It then outlines the political situation in East Timor leading up to Indonesian rule, including the rise of independence groups FRETILIN and UDT. It describes the covert Indonesian operation that engineered conflict between the groups to justify invasion. It discusses the invasion, brutal Indonesian occupation, Western support for Indonesia, and East Timorese resistance through the 1990s, culminating in the 1991 Santa Cruz massacre that refocused international attention on the issue.
The document discusses water filtration and the importance of clean water. It describes a 7-stage water filtration system called HomePure that removes contaminants like bacteria, sediments, chemicals and heavy metals. The HomePure system uses various filter medias like activated carbon, ceramic balls and a hollow fiber membrane in its 7 filtration stages. It has been tested by certification bodies and provides clean, safe drinking water without electricity or professional installation.
DooH – Digital Out of Home ist der Megatrend in der Medienwelt und wird anderen Kanälen den Rang ablaufen. Wie Dooh zum Brandbuilding genutzt werden kann, klären wir in diesem Vortrag, denn damit Dooh seine ganze Stärke ausspielen kann, bedarf es spezieller Gestaltungen und Produktionen.
Tigers are large wildcats that can grow up to 9 feet long and have orange fur with dark stripes. They live in forests and mountains across Asia and hunt deer and buffalo at night by stalking their prey and killing them by biting their neck. Female tigers give birth to litters of 2-3 cubs and teach them to hunt, though tigers only live up to 5 years in the wild. Cubs stay with their mother for 2 years before dispersing.
This document provides information on 20 works of art and architecture from the 20th century, including Frank Lloyd Wright's Fallingwater, the Bauhaus Building by Walter Gropius, Mies van der Rohe's German Pavilion, Le Corbusier's Villa Savoye, Gerrit Rietveld's Schroeder House, Diego Rivera's Man Controller of the Universe mural, Picasso's Guernica, Robert Venturi's Vanna Venturi House, Frank Gehry's Guggenheim Museum, Marsden Hartley's Portrait of a German Officer, Dorothea Lange's Migrant Mother photograph, Aaron Douglas's Aspects of Negro Life painting, Jacob Lawrence's Migration
The use of lasers in dentistry, particularly in periodontics and peri-implant diseases, is becoming
increasingly common nowadays. Since their introduction in the late 20th century, they have revolutionized the
treatment options available for the management of periodontal disease. They allow the clinician to reach inside the
deeper pockets and help in reducing the bacterial load. They offer various advantages and have variations according
to their clinical use. This review presents an overview of their applications in periodontics.
This document reviews the soft tissue applications of lasers in dentistry. It discusses how lasers provide benefits like sterilization of surfaces, a dry surgical field, decreased swelling and pain, and increased patient acceptance. Specific conditions that can be effectively treated with lasers are mentioned, such as peripheral ossifying fibromas, denture-induced fibrous hyperplasia, mucoceles, hemangiomas, and lymphangiomas. Lasers are shown to be useful tools for excising premalignant and malignant oral lesions as well. In summary, this document outlines the various uses of lasers in treating oral soft tissue disorders and conditions.
This document reviews the soft tissue applications of lasers in dentistry. It discusses how lasers provide benefits like surface sterilization, a dry surgical field, and increased patient acceptance for soft tissue procedures. Specific conditions that can be effectively treated with lasers are mentioned, such as peripheral ossifying fibromas, denture-induced fibrous hyperplasia, mucoceles, hemangiomas, and lymphangiomas. Lasers are described as a useful tool for treating premalignant and malignant oral lesions as well.
LASERS – IT’S ROLE IN PERIODONTAL REGENERATIONhiij
The use of lasers has evolved as clinical experience along with scientific investigation. The dental
lasers of today have benefited from decades of laser research and have their basis in certain
theories from the field of quantum mechanics. When used efficaciously and ethically, lasers are an
exceptional modality of treatment for many clinical conditions that dental specialists treat on a
daily basis. The concept of using lasers for the treatment of periodontal disease elicits very strong
reactions from all sides of spectrum. Evidence suggests that lasers are useful as an adjunct or
alternative to traditional approaches in periodontal therapy. Future direction of lasers would be
towards a minimally invasive regenerative procedures along with laser assisted calculus detection
systems using laser fluorescence that is optical coherence tomography and a laser system which
selectively and completely removes the plaque and calculus that is under development. With recent
advances and development of wide range of laser wavelengths, different instrument designs and
different delivery systems, the purpose of this review is to determine the application and current
concept of lasers in the regeneration of periodontal tissues.
LASERS – IT’S ROLE IN PERIODONTAL REGENERATIONhiij
The use of lasers has evolved as clinical experience along with scientific investigation. The dental
lasers of today have benefited from decades of laser research and have their basis in certain
theories from the field of quantum mechanics. When used efficaciously and ethically, lasers are an
exceptional modality of treatment for many clinical conditions that dental specialists treat on a
daily basis. The concept of using lasers for the treatment of periodontal disease elicits very strong
reactions from all sides of spectrum. Evidence suggests that lasers are useful as an adjunct or
alternative to traditional approaches in periodontal therapy. Future direction of lasers would be
towards a minimally invasive regenerative procedures along with laser assisted calculus detection
systems using laser fluorescence that is optical coherence tomography and a laser system which
selectively and completely removes the plaque and calculus that is under development. With recent
advances and development of wide range of laser wavelengths, different instrument designs and
different delivery systems, the purpose of this review is to determine the application and current
concept of lasers in the regeneration of periodontal tissues.
LASERS – IT’S ROLE IN PERIODONTAL REGENERATIONhiij
The use of lasers has evolved as clinical experience along with scientific investigation. The dental lasers of today have benefited from decades of laser research and have their basis in certain theories from the field of quantum mechanics. When used efficaciously and ethically, lasers are an exceptional modality of treatment for many clinical conditions that dental specialists treat on a daily basis. The concept of using lasers for the treatment of periodontal disease elicits very strong reactions from all sides of spectrum. Evidence suggests that lasers are useful as an adjunct or alternative to traditional approaches in periodontal therapy. Future direction of lasers would be towards a minimally invasive regenerative procedures along with laser assisted calculus detection systems using laser fluorescence that is optical coherence tomography and a laser system which selectively and completely removes the plaque and calculus that is under development. With recent advances and development of wide range of laser wavelengths, different instrument designs and different delivery systems, the purpose of this review is to determine the application and current concept of lasers in the regeneration of periodontal tissues.
The document discusses the uses of lasers in dentistry. Lasers emit light through stimulated emission and can treat small, targeted areas without damaging surrounding tissues. They are used for hard tissue procedures like caries removal and bone contouring, as well as soft tissue procedures like biopsy, lesion removal, and gum surgery. Lasers can also reduce pain, minimize bleeding and swelling, and sterilize the treatment area. While lasers have advantages, traditional drills are still sometimes needed and lasers do not eliminate the need for anesthesia.
This study evaluated a surgical technique combining modified apically repositioned flap surgery with vestibular deepening using diode laser to increase attached gingiva in the lower anterior teeth. 16 patients underwent phase I therapy followed by flap surgery, bone grafting, and laser-assisted vestibular deepening. Post-operative increases were seen in attached gingiva, keratinized gingiva, and vestibular depth. The one-step procedure helped relieve tension on the gingiva while regenerating periodontal tissues, with minimal discomfort and complications. The technique aims to prolong the life of compromised lower front teeth in a cost-effective manner.
Efficacy and safety of a diode laser in second stage implant surgeryharitha sridharan
- The study compared the efficacy and safety of using a 970nm diode laser versus a surgical blade for second-stage dental implant surgery in 30 patients.
- Patients were randomly divided into two groups - the study group underwent laser surgery while the control group used a surgical blade.
- The laser group did not require local anesthesia while the blade group did, but there were no significant differences in duration of surgery, postoperative pain, healing time, or implant success between the two techniques.
- The diode laser can effectively uncover dental implants with advantages over conventional blade techniques in reducing the need for anesthesia.
This document discusses the use of lasers in pediatric dentistry. It begins with an introduction to lasers and their history and classifications. The main advantages of lasers are reduced pain and bleeding. Applications discussed include caries removal and prevention, frenectomy for ankyloglossia, and pulpotomy. Lasers allow these procedures to be performed in a less stressful manner for children. However, high costs and need for additional training are limitations to their use in pediatric dentistry.
Soft And Hard Tissue Management Using LasersAndres Cardona
This document discusses the use of lasers in soft and hard tissue management for esthetic dental procedures. It provides background on the history and mechanisms of dental lasers. The erbium laser wavelength is highlighted as it allows conservative, less invasive treatment of both hard tissues like enamel and bone as well as soft tissues. Specific techniques described include laser-assisted cavity preparation and restoration, as well as cosmetic procedures like gingival contouring and osseous crown lengthening to enhance the smile. Case studies demonstrate how these laser techniques can be used to adjust gingival levels and proportions for esthetic outcomes.
Photobiomodulation technique uses low intensity lasers and light in the red to near infrared zone (600 to 1000 nm wavelength) which brings about biological changes at the cellular level thus initiating the bone remodeling. As a result accelerates orthodontic tooth movement without causing any harm to the periodontal tissues
1) Lasers have various applications in periodontal and implant dentistry including calculus removal, soft tissue excision and ablation, root decontamination, biostimulation, and bacteria reduction.
2) Studies show lasers may provide benefits like less swelling and pain compared to conventional methods.
3) Different laser wavelengths penetrate tissues to varying depths depending on characteristics, and care must be taken to avoid overheating implants which could damage surfaces.
Review of Lasers in Dentistry and Safety MeasuresIRJET Journal
This document reviews the use of lasers in dentistry and safety measures. It summarizes the main types of lasers used including CO2, Nd:YAG, diode, and discusses their applications such as caries removal, gum treatment, and teeth whitening. Lasers have advantages over traditional methods like less bleeding and minimal swelling. However, safety is an important concern as different lasers have varying tissue penetration and thermal effects. Proper training, safety equipment, and adherence to exposure limits are needed to ensure safe use of lasers in clinical procedures.
This document discusses the clinical applications of lasers in the oral cavity. It begins with an introduction to lasers and their tissue interactions. It then discusses various types of lasers and their uses in procedures like caries removal, treating dentinal hypersensitivity, managing recurrent aphthous stomatitis, performing frenectomies, root canal treatments, laser-assisted curettage, gingival recontouring, soft tissue excisions, and treating oral malignancies with photodynamic therapy. It emphasizes that lasers can be effective alternatives to scalpels for many oral procedures due to benefits like hemostasis, lack of sutures needed, reduced pain and scarring. However, precautions must be taken
This case report describes the retrieval of a fractured rotary instrument from the root canal of a maxillary central incisor using an ultrasonic tip. A pre-operative x-ray revealed a separated instrument extending beyond the apex. Using an ET25 ultrasonic tip, the file fragment was able to be retrieved from the canal by creating a pocket and applying ultrasonic vibration in a push-pull motion. Post-operatively, the canal was cleaned, shaped, and obturated, and a fiber post was placed with composite restoration. Non-surgical retrieval of separated instruments can be challenging but is preferable to surgery when possible. Modern ultrasonic tips provide an effective method for removing fractured instruments from root canals.
Temporary Splinting in secondary trauma from occlusion followed by vestibular...dbpublications
Background: A 27 year old female patient presented with the chief complaint of pain and mobility in mandibular anterior teeth. An extremely shallow vestibule with less width of attached gingiva was observed with marginal gingival recession in 31, 32 and 41. Secondary trauma from occlusion was observed clinically with respect to 31. Methods: After adequate oral prophylaxis, the trauma from occlusion on 31 was relieved by selective grinding. The mobile mandibular anterior teeth were splinted with a temporary splint material (26 gauge stainless steel wire). The mandibular labial vestibule was extended using the lip switch procedure or the Edlan-Mejchar technique. Results: The procedure yielded a considerable gain in the width of the attached gingiva, which maintained itself even 9 months after the surgical procedure. Mobility was reduced with complete resolution of injury to the supporting tissues leading to improved function of the mandibular anterior teeth. Conclusion: Patients presenting with secondary trauma from occlusion and a shallow vestibule, treatment options such as oral prophylaxis, selective grinding, splinting combined with Edlan-Mejchar technique leads to complete resolution of mobility along with maintenance of the width of the attached gingival for a considerable period of time.
role of laser in periapical surgery rania asaad.pdfraniaasaad3
This document discusses the role of lasers in periapical surgery. It begins by defining periapical surgery and describing the diagnosis process, which involves clinical examination, tissue histology, and radiographs. It then outlines the indications for periapical surgery, including persistent lesions after root canal treatment or increased pathology. The document discusses factors that can affect surgical outcomes, such as the presence of a root-end filling or size of the lesion. It describes the typical periapical surgery procedure and then explains how different types of lasers can be used at each step, including incision, root-end resection, root canal preparation, root-end filling, antibacterial treatment, and low-level laser therapy. Overall, las
Laser assisted nonsurgical periodontal therapy a review (autosaved)Dr Viral Patel
This document reviews the use of lasers in non-surgical periodontal therapy. It discusses how lasers can be used to decontaminate and coagulate periodontal pockets to remove bacterial biofilms and support healing. Different types of lasers including diode, Nd:YAG, CO2, and erbium lasers are described. Treatment protocols involve using lasers for sulcular debridement and repeated decontamination of pockets over multiple appointments to thoroughly reduce the bacterial load and support tissue maturation. Lasers are shown to be bactericidal and improve periodontal health outcomes when used as an adjunct to conventional root debridement and as part of expanded infection therapy protocols.
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These lecture slides, by Dr Sidra Arshad, offer a quick overview of the physiological basis of a normal electrocardiogram.
Learning objectives:
1. Define an electrocardiogram (ECG) and electrocardiography
2. Describe how dipoles generated by the heart produce the waveforms of the ECG
3. Describe the components of a normal electrocardiogram of a typical bipolar lead (limb II)
4. Differentiate between intervals and segments
5. Enlist some common indications for obtaining an ECG
6. Describe the flow of current around the heart during the cardiac cycle
7. Discuss the placement and polarity of the leads of electrocardiograph
8. Describe the normal electrocardiograms recorded from the limb leads and explain the physiological basis of the different records that are obtained
9. Define mean electrical vector (axis) of the heart and give the normal range
10. Define the mean QRS vector
11. Describe the axes of leads (hexagonal reference system)
12. Comprehend the vectorial analysis of the normal ECG
13. Determine the mean electrical axis of the ventricular QRS and appreciate the mean axis deviation
14. Explain the concepts of current of injury, J point, and their significance
Study Resources:
1. Chapter 11, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 9, Human Physiology - From Cells to Systems, Lauralee Sherwood, 9th edition
3. Chapter 29, Ganong’s Review of Medical Physiology, 26th edition
4. Electrocardiogram, StatPearls - https://www.ncbi.nlm.nih.gov/books/NBK549803/
5. ECG in Medical Practice by ABM Abdullah, 4th edition
6. Chapter 3, Cardiology Explained, https://www.ncbi.nlm.nih.gov/books/NBK2214/
7. ECG Basics, http://www.nataliescasebook.com/tag/e-c-g-basics
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