Home / Endodontics (page 3)

Endodontics

dental cements 2nd yr

MANIPULATION:         –  A cool glass slab is used  in order to delay the setting  and allow more  powder to be incorporated before  the matrix formation occurs.         –  The liquid should  be dispensed just before mixing.         –  The powder is added in small increments.                     Recommended ratio is  1.4gm/ …

Read More »

Dental amalgam15

Introduction History Advantages and disadvantages Classification composition Purpose of each ingredient Manufacturing of alloy Setting reaction Properties Gallium alloys Tarnish: surface discoloration on metal or even slight loss or alteration of  the surface finish or luster. Corrosion: actual detoriation of a metal by reaction with its environment Active corrosion: interface …

Read More »

Dental amalgam14

Introduction History Advantages and disadvantages Classification composition Purpose of each ingredient Manufacturing of alloy Setting reaction Properties Gallium alloys   Durable High compressive strength Insoluble in the  fluids of mouth Adaptability to walls of preparation Least time consuming to place Ability to corrode-à decreased  microleakage Ability to take polish

Read More »

DENTAL ADHESION

INTRODUCTION. MECHANISMS OF ADHESION. PRINCIPLES OF ADHESION. COMPOSITIONAL AND STRUCTURAL ASPECTS OF ENAMEL AND DENTIN. CHALLENGES IN DENTIN BONDING. THE SMEAR LAYER. INTERNAL AND EXTERNAL DENTIN WETNESS. CERTAIN ADHESIVE TERMINOLOGIES.   FUNDAMENTALS OF ENAMEL AND DENTIN ADHESION. HISTORICAL PERSPECTIVE. SMEAR LAYER TREATMENT. ACID ETCHING OF ENAMEL. ETCHING &/OR CONDITIONING OF …

Read More »

COMPOSITES IN DENTISTRY

Mid 1980s:Hybrid composites were developed.The first generation of Indirect lab processed microfil composite resin system was introduced. 1987:Second generation of Lab processed resin was developed. 1991:Mega filled composites with glass ceramic inserts coated with silane were introduced. 1992:Introduction of  fiber-reinforced composites which were composed of woven glass or polythene fibers. …

Read More »

Cleaning & Shaping using Rotary instuments

INTRODUCTION ROTARY SHAPING GUIDELINES CROWN DOWN TECHNIQUE CORONAL 2/3  ROTARY SHAPING TECHNIQUE APICAL 1/3 ROTARY SHAPING TECHNIQUE ROTARY SHAPING INSTRUMENTS CLEANING AND SHAPING WITH DIFFERENT ROTARY INSTRUMENTS CONCLUSION   Rotary Shaping instruments are replacing the conventional hand file systems to enhance  shaping ability of the canal , reduce clinical mishaps …

Read More »

CARIOLOGY1

INTRODUCTION DEFINITION CLASSIFICATION ETIOLOGY OF DENTAL CARIES—EARLY THEORIES                                                               CURRENT CONCEPTS CLINICAL FEATURES OF CARIES CARIES AS A SPECIFIC MICROBIAL INFECTION CONCEPT OF CRITICAL  pH NUTRITION,DIET AND DENTAL CARIES EFFECT OF DEMOGRAPHIC FACTORS ON DENTAL CARIES ROLE OF SALIVA ON DENTAL CARIES   TEETH ARE TOOLS that have evolved to …

Read More »

CARIES DIAGNOSIS

INTRODUCTION DEFINITION ASSESSMENT TOOLS CONVENTIONAL METHODS OF DIAGNOSIS RECENT METHODS OF CARIES DETECTION CARIES RISK ASSESSMENT MODERN CONCEPTS OF CARIES   MEASUREMENT POTENTIAL NEW DIAGNOSTIC MODALITIES CONCLUSION   Visual methods: Detection of white spot, discoloration / frank cavitations Without aids, unreliable Magnification loupes- Head worn prism loupes (X 4.5) or …

Read More »

Blunderbuss Canal

Apexification. Custom GP roll. Radicular rehabilitation using resin posts –  monobloc concept. Placement of barrier materials like MTA, Tricalcium phosphate in conjunction with customized post system or backfill technique (Obtura, Flowable resin).   Presence of periapical pathology – periapical abscess – destruction of Hertwigs epithelial root sheath. Repeated sinus tract …

Read More »

Advances in obturation system

Advances in obturation systems         System B technique         Therma fil technique         UltraFil 3D         Obtura  technique         Simplefil technique         Successfil technique  Resin based obturation techiniques          Resilon system          Endo rez technique          Fiber fil technique          EZ Fil Obturation system Method of use : Obturation is …

Read More »

Wound Healing

Infection Pigmentation Implantation Deficient scar Hypertropied scar & Keloid Excessive contraction Neoplasia Incisional hernia Dry Socket/Alveolitis Sicca Dolorosa/Alveolitis Osteitis/Acute Alveolar Osteomyelitis/Alveolagia Most common Focal osteomyelitis- disintegration of clot 95% in lower premolars & molars Within 1st few days… Extremely painful Palliative medicine & allow healing Tetracycline hydrochloride… Pack socket with …

Read More »