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Endodontics

Traumatic Injuries of Teeth

traumatic injuries of teeth

Etiology Mechanism of action Introduction Classification Examination and diagnosis Crown infraction Uncomplicated crown fracture Complicated crown fracture Crown and root fracture Root fracture luxation injuries Avulsion Alveolar fracture Prevention of dental injuries Conclusion References Who classification modified by Andreasen and Andreasen used by international association of dental traumatology. Dentofacial injuries. …

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Tooth Preparation for Cast Metal Restorations

Tooth preparation

INTRODUCTION DEFINITONS OF INLAY AND ONLAY BRIEF LOOK AT CASTING METALS INDICATIONS AND CONTRAINDIACTIONS ADVANTAGES AND DISADVANTAGES INSTRUMENTATION FOR TOOTH PREPRATION FOR CAST RESTORATION PRINCIPLES OF TOOTH PREPRATION FOR CAST RESTORATIONS The cast metal restoration is versatile and the procedure requires meticulous care both in preparation and laboratory procedures. The …

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SONICS AND ULTRASONICS IN ENDODONTICS

SONICS AND ULTRASONICS

CONTENTS INTRODUCTION EVOLUTION AN INSIGHT   The Physics behind Ultrasonics   The Physics behind Sonics   BIOPHYSICAL EFFECTS OF ENDOSONICS   Cavitation   Acoustic Streaming IRRIGANTS ULTRASONICS SONICS A COMPARATIVE ANALYSIS Shaping of Root Canals Canal Debridement Root end Preparation Endodontic Re-treatment Intraradicular Post Removal Silver Point Removal Gutta Percha …

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Resin Adhesives

Resin adhesives

Introduction Adhesion Challenges in bonding to dentin Coronal vs radicular dentin Resin based root canal sealers        -factors affecting adhesion Post endodontic restoration Resin based luting cements Rehabilitation of endodontically treated tooth Restoration of access cavities Material incompatibility conclusion Improvement in esthetic materials & techniques Acid etch technique & composites …

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Replantation

Replantation

Introduction Definition & Types of replantation Replantation of Avulsed tooth Management recommendations Squealae to replantation Intentional Replantation Auto-transplantation Conclusion Tearing of PDL leaves viable cells on root surface Cemental tear Hydrated PDL maintains viability of cells – combat inflammation Cementoblast Vs Osteoblast Mobility With time osseous recontouring occurs Pulpal necrosis …

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RATIONALE OF POST ENDODONTIC RESTORATION

RATIONALE OF POST ENDODONTIC RESTORATION

Introduction Historical perspective Causes of tooth fracture Treatment planning Post systems Evidence based practice Principles of tooth preparation Core Corono-radicular restoration Restoration of resected root Over dentures Conclusion Metal pivot retention similar to Richman’s Crown Dental Physiology and Surgery, written by Sir John Tomes in 1849. Tomes’s post length and …

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Rational 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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Post Endodontic Restoration

Endodontic Restoration

747 PIERRE FAUCHARD described    how to restore roots of pulp less teeth                   — PIVOT  today termed as a post                              (Made of gold or silver)                         —Mastic-heat softened adhesive (mastic)                            (prepared by Gum, Lac, Turpentine                            and White coral powder) 1849 Sir John Tomes Post length and     diameter confirmed …

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Mishaps

INTRODUCTION:    Endodontic mishaps or procedural accidents are those that happen    during treatment,some owing to inattention to detail and others    totally unpredictable. Mishaps will be discussed under following headings: RECOGNITION CORRECTION HOW WILL THEY AFFECT THE PROGNOSIS? PREVENTION     CLASSIFICATION: ACCESS RELATED: -TREATING THE WRONG TOOTH -MISSED CANALS …

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MICROSCOPY

LIGHT MICROSCOPE  PHASE CONTRAST MICROSCOPE STEREOMICROSCOPE  TOOLMAKER’S MICROSCOPE FLUORESCENCE MICROSCOPE TOTAL INTERNAL REFLECTION MICROSCOPE  ELECTRON MICROSCOPE scanning electron microscope field emission scanning electron microscope transmission electron microscope CONFOCAL MICROSCOPE SCANNING PROBE MICROSCOPES atomic force microscope  scanning tunneling microscope X-RAY MICROSCOPE     History of microscopy      The basics concepts of …

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Investigation

APPROPIATE TESTS FOR THYROTOXICOSIS       SERUM TSH       TRIIODOTHYRONINE        I-123 UPTAKE AND SCAN        ANTTHYROGLOBULIN AND        MICROSOMAL ANTIBODIES        THYROID STIMULATING IMMUNOGLOBULIN         TSH Receptor Antibody(TSH-R AB) TSH IMMUNOASSAY:       -Decreased in Hyperthyroidism Other conditions with low levels:      -Autonomous thyroid secretion      -Metformin      -Thyroid hormone in excessive or adequate replacement …

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Inta & Extra Coronal Restoration Resistance Form

intra & Extra coronal

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. Resistance form may …

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