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Endodontics

Matrices and Wedges

Plastic wedges:  commercially available for use with either transparent matrices (or) metal matrices. Light transmitting wedges: special plastic wedges which are transparent &have a light reflecting core. Designed for use with transparent matrices while placing class ll composite restorations. They can transmit 90-95% of incident light, drawing the curing light …

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Inovations in Endodontics & operative

Introduction. building restoration is similar to building any mechanical structure, in that the stress pattern of the available foundation and contemplated sytucture must be predetermined. The fundamental concept form of resistance form is based on reaction with the restoration and remaining tooth structure to the occlusal loading.   Anterior component …

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INFECTION CONTROL

INTRODUCTION HISTORY TRANSMISSION OF INFECTION IN DENTAL OPERATORY IMPACT OF HEPATITIS B & HIV SUMMARY OF CURRENT OSHA REGULATION OBJECTIVES OF INFECTION CONTROL PATIENT SCREENING PERSONAL BARRIER PROTECTION EMERGENCY & EXPOSURE INCIDENT PLAN DISINFECTION: Destruction of pathogenic and other kinds of microorganisms by physical or chemical means. Disinfection is less …

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Immunity and Infection Control

Introduction Immunity Antigen Antibody Complement system Antigen – Antibody Reactions Hypersensitivity Autoimmunity Immunodeficiency Micro-organisms of relevance in dentistry Nosocomial Infection Cross infection Infection control Hospital waste disposal Conclusion List of references   AUTOIMMUNITY :   A condition in which a structural or functional damage  is produced by the action of …

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Growth of Maxilla & Sinus

INTRODUCTION DEFINITIONS FACTORS AFFECTING GROWTH GROWTH:CONCEPTS,METHODS OF GATHERING   DATA AND STUDYING GROWTH BONE DEVELOPMENT AND GROWTH THEORIES OF GROWTH PRENATAL GROWTH AND DEVELOPMENT OF MAXILLA POST NATAL GROWTH AND DEVELOPMENT OF MAXILLA DEVELOPMENT OF THE PALATE Todd:Development is progress towards maturity. Moyers: Development refers to all the naturally occuring unidirectional …

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Gingival Finish Lines

Objectives to Tooth Preparation Reduction of the tooth in miniature  to provide retention and support. Preservation of healthy  tooth structure to secure resistance form. provision for  acceptable finish  lines. Performing pragmatic axial tooth reduction to encourage favorable tissue response from  artificial crown, contours. There are 3 requirements for successful restoration …

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G.I.C.-2

Usually less often seen with glass-ionomers than for composite resin restorations Polymerization shrinkage and shrinkage stress are low High adhesion values, necessary for resin containing materials, are therefore not so relevant.   A distinct zone exists at the interface of glass-ionomer and tooth tissues. This zone is more resistant to …

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G.I.C

Improves the chemical bonding Choice of conditioner Special product or Liquid component glass-ionomer Only when it contains acid Follow manufacturer’s instructions Some brands contain only water In doubt: follow manufacturer’s instructions   “The press-finger technique“ Use the gloved index finger (with small amount of petroleum jelly) Place the glass-ionomer, press …

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FINISHING & POLISHING MATERIALS

Instruments used are diamond, carbide, steel burs- coated discs,seperating discs Diamond , abrasive coated disks cuts by grinding action Steel and carbide burs is by cutting action Abrasive coated discs are popular instruments for bulk reduction of composites     Extremely hard abrasive was first synthetic abrasives to be produced. …

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Fadamentals of Cavity prep

defined as the mechanical alteration of a defective injured or diseased tooth in order to best receive a restorative material which will re-establish a healthy state for the tooth including esthetic corrections, along with normal form and function.     First classification universally accepted based on type of treatment & …

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ENDOSONICS AND SONICS

Introduction History Classifcation Differences between sonics and ultrasonics Endosonics         Classification         Principles of endosonics         Endosonic preparation         Endosonic mechanical energy         Endosonic chemical energy         Endosonic disinfection         Clinical procedure         Endosonics obturation   Sonics     Introduction      Different types of sonic instruments      Clinical procedure Comparative conclusion …

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Endo Perio

INTRODUCTION DEFINITION CLASSIFICATION ETIOLOGY CONTROVERSIES REGARDING THE COMBINED LESION PATHWAYS OF SPREAD COMPARISION OF CLINICAL PRESENTATION B/W APICAL & MARGINAL PERIODONTITIS DIFFERENTIAL DIAGNOSIS EFFECT OF PULP & ITS TREATMENT ON PERIODONTIUM EFFECT OF PERIO. DISEASE & TREATMENT ON PULP LESIONS DIAGNOSIS TREATMENT REFERENCES CONCLUSION necrotic pulp and apical granulomatous tissue …

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Endo Perio

INTRODUCTION DEFINITION CLASSIFICATION ETIOLOGY CONTROVERSIES REGARDING THE COMBINED LESION PATHWAYS OF SPREAD COMPARISION OF CLINICAL PRESENTATION B/W APICAL & MARGINAL PERIODONTITIS DIFFERENTIAL DIAGNOSIS EFFECT OF PULP & ITS TREATMENT ON PERIODONTIUM EFFECT OF PERIO. DISEASE & TREATMENT ON PULP LESIONS DIAGNOSIS TREATMENT REFERENCES CONCLUSION necrotic pulp and apical granulomatous tissue …

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Endo Perio

GROUP 1- LESIONS REQUIRING ENDODONTIC TREATMENT ONLY Necrotic pulp and apical granulomatous tissue replacing periodontium with or without sinus tract Chronic peri apical abscess with sinus tract Longitudinal and horizontal root fractures Pathologic and iatrogenic root perforations Teeth with incomplete apical root development Endodontic implants Teeth that require hemi section …

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Endo instruments

INTRODUCTION HISTORY CLASSIFICATION OF ENDODONTIC INSTRUMENTS EXAMINING INSTRUMENTS EXPLORING INSTRUMENTS DEBRIDING INSTRUMENTS CLEANING AND SHAPING INSTRUMENTS STANDARDISATION OF ENDODONTIC INSTRUMENT ISO GROUP I INSTRUMENTS ISO GROUP II  INSTRUMENTS ISO GROUP III INSTRUMENTS ISO GROUP IV INSTRUMENTS NON-ISO INSTRUMENTS NEW CONCEPT IN INSTRUMENT DESIGN CONCLUSION   “worksman is known by his …

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Endo – Perio

INTRODUCTION DEFINITION CLASSIFICATION ETIOLOGY CONTROVERSIES REGARDING THE COMBINED LESION PATHWAYS OF SPREAD COMPARISION OF CLINICAL PRESENTATION B/W APICAL & MARGINAL PERIODONTITIS DIFFERENTIAL DIAGNOSIS EFFECT OF PULP & ITS TREATMENT ON PERIODONTIUM EFFECT OF PERIO. DISEASE & TREATMENT ON PULP PERIODONTAL EVALUATION LESIONS DIAGNOSIS TREATMENT REFERENCES CONCLUSION   Occlusal trauma causing …

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Endonic perio

necrotic pulp and apical granulomatous tissue replacing periodontium with or without sinous tract Chronic periapical abscess with sinus tract Longitudinal and horizontal root fractures Pathologic and iatrogenic root perforations Teeth with incomplete apical root development Endodontic implants Teeth that require hemisection Root submergence   Occlusal trauma causing reversible pulpitis Occlusal …

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Enamel

Enamel provides a hard durable shape for the functions of teeth and a protective cap for the vital tissues of dentin and pulp.Both colour and form contribute to esthetic appearance of enamel. Much of the art of restorative dentistry comes from efforts to stimate the color,texture,translucency and contours of enamel …

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Direct filling

Introduction History Classification Physical properties Indications Contraindications Types of gold used in dentistry Annealing and degassing Condensation and compaction Compaction technique Biocompatibility of gold Uses of liners and bases Cavity preparations and designs Advantages and disadvantages References Conclusion   “HISTORY OF GOLD” First evidence of use of gold filling – …

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Digestive

CHEMICAL DIGESTION Macromolecules to monomers Polysaccharides to monosaccharides Proteins to amino acids Fats to glycerol and fatty acids Nucleic acids to nucleotides Done by digestive enzymes produced by: Salivary glands, stomach, pancreas, small intestine Absorbed – no digestion – vitamins, free amino acids, minerals, cholesterol, water   Esophagus Straight muscular …

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Diet and Nutrition

This seminar relates to these nutrients, their functions and sources and how they relate to oral health and diseases. Various factors which have an impact on the nutritional status of the elderly are also discussed. Current  nutritional requirements of various age groups.   Major structural component of cellular membranes. Help …

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DIAGNOSIS IN ENDODONTICS21

    Diagnosis is the process of identifying a disease by careful investigation of its symptoms and history.   An accurate diagnosis is the result of synthesis of scientific knowledge, clinical experience, intuition and common sense. The process is thus both an art and science.   A proper diagnosis begins with …

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Detinal Hyper

Gysi, 1900 introduced hydrodynamic concept. Hopewell-Smith (1923) “Dentine is not live, nor is it dead like enamel, it serves as an intermediate tissue between the external enamel and the internal living pulp, it does not generate sensations but transmits through its tubes impulses of various kinds to the pulp.” Fish …

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