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Endodontics

Rationale of Endodontics

Introduction Inflammation Causes of pulpal Inflammation Pathways of pulpal & periapical infection Responses of the pulp and periradicular tissue             Cellular & Vascular Components           Chemical mediators. Syngcuk kim’s hypothetic mechanism of pathophysiology of pulpal disorder Periradicular tissue changes following inflammation Endodontic implication              Fish theory of zones of  …

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Procedural Errors – Endo Mishaps

The advent of nickeltitanium files, rotary instrumentation, “endosonics,”radiovisiography, the endoscope, and the clinical microscope are but a few innovations that have changed the way in which endodontics is practiced. This progress has increased both productivity and quality of care.   Endodontic Mishaps Access related Treating the wrong tooth Missed canals …

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PROCED ERRORS DURING CLEANING AND SHAPING

Classification of procedural errors Procedural errors during cleaning and shaping Loss of working length Canal blockage Ledge formation Deviation from the normal canal anatomy Perforations Separated instruments and foreign objects Inadequate canal preparation :   Overinstrumentation   Overpreparation   Underpreparation Introduction   Endodontic mishaps or procedural accidents are    those …

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Principles of Tooth Preparation

Preservation of tooth structure Retention and resistance form Structural durability of the restoration Marginal integrity Preservation of the periodontium Do not remove excess of tooth structure , do not over taper Tooth becomes weak Pulp health gets jeopardised Reduction must be  adequate  ,  less reduction will  lead to overcontoured restoration …

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Principles of Tooth Preparation

CONSERVATION OF TOOTH STRUCTURE Partial coverage rather than complete coverage Preparation with minimum convergence angle (taper) between axial walls Preparation of the occlusal surface so reduction follows the anatomic planes to give uniform thickness in the restoration Preparation of the axial surfaces so tooth structure is removed evenly; if necessary, …

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Post & Core

                          CONTENTS Introduction History Treatment planning for post and core Classification of posts Factors affecting selection of post Principles of tooth preparation for post and core The ferrule effect Core and core materials Techniques of fabrication Recent advances conclusion POST SHAPE Parallel sided parallel sided posts – removal of more …

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Oral Microflora

CONTENTS OF THE SEMINAR Introduction. Ecological Terminologies. Mouth as a habitat for microbial growth. Factors affecting the growth of the micro-    organisms in the oral cavity. Distribution of the resident oral micro flora. Adhesion, acquisition, metabolism. Dental plaque. Microflora in disease. Opportunistic infections. Conclusion. Introduction The mouth is continually …

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ORAL MICROBIAL FLORA final

Introduction and history Morphology of bacteria/viruses/fungi General concepts of pathology Host-parasite interaction Immunity in the oral cavity Development of oral flora Factors affecting development of oral flora The normal microbial flora of  different sites of the mouth Viruses are obligate intracellular parasites Do not fall strictly into the category of …

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Occlusion

INTRODUCTION GENERAL DESCRIPTION GOALS FOR COMPLETE DENTISTRY RESPONSE TO HIGH RESTORATION OCCLUSAL DISEASE TMJ MASTICATORY MUSCULATURE MANDIBULAR MOVEMENT POSSELT’S MOTION OCCLUSAL SCHEMES CENTRIC OCCLUSION CENTRIC RELATION DETERMINING CENTRIC RELATION LOAD TESTING OF TMJ’S RECORDING CENTRIC RELATION CLASSIFICATION OF OCCLUSION DETERMINANTS OF OCCLUSION THE PLANE OF OCCLUSION POSTERIOR OCCLUSION ROLE OF …

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OBTURATING MATERIALS

Advantages Does not shrink – dimensionally stable Easily sterilized Does not encourage bacterial growth Inert – least reactive Radiopaque Nonstaining Impervious to moisture Easily removed – has known solvents Least irritating – well tolerated by periapical tissue Compressible / Compactible Becomes plastic when warmed or with solvent   Ideal requirements …

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Neuro-Muscular Function

INTRODUCTION “You cannot successfully treat dysfunction unless you understand function.” -JPO   The functions of masticatory systems is complex.   Discriminatory contraction of various head and neck muscle is necessary to move the mandible precisely and allow effective functioning. A highly refined neurologic control system regulates and co-ordinates the activities …

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