Home / Endodontics (page 10)

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 …

Read More »

Journal Club

Although sodium hypochlorite (NaOCl) is the most commonly used irrigant in endodontics , it interferes with the organic/inorganic constituents of the dentin , which is of concern regarding the adhesion of luting agents On the other hand, chlorhexidine (CHX) is an alternative irrigant  that does not seem to interfere with …

Read More »

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) OTHER CONDITIONS     -NEPHROTIC SYNDROME    -CHRONIC LIVER DISEASE    -ANABOLIC STERIOD ADMINISTRATION

Read More »

Intracanal Medicaments

Effective germicide and fungicide Nonirritating to periapical tissues Remain stable in solution Have a prolonged antimicrobial effect Active in presence of blood, serum and protein derivatives of tissue Low surface tension Not interfere with repair of periapical tissues Not stain tooth structure Capable of inactivation in a culture medium Not …

Read More »

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 OPERATORY ASEPSIS CLINICAL WASTE DISPOSAL INSTRUMENT HANDLING & CLEANING STEAM PRESSURE STERILIZATION CHEMICAL VAPOR PRESSURE STERIIZATION DRY …

Read More »

INDIRECT RESINS

Introduction Comparison With Direct Resin Indirect resin systems Indirect resin inlays Onlay Modifications Intracoronal Restorations Crown And Bridgework Laminate Veneers Restorations Of Endodontically Treated Teeth Indirect Resin in Adhesive Bridgework Application In Implant Dentistry Conclusion Bibliography Heat and pressure cured Indirect  resin inlay / onlay system Degree of conversion- 85% …

Read More »

Growth & Development of Tooth

CONTENTS Introduction. Definition of  Growth & Development. Formation of Dental lamina. Developmental stages of tooth. Factors affecting growth & development. Developmental anomalies. Refrences. Outer Enamel epithelium  cover convexity of cap. These cells are cuboidal in shape. They are separated from dental sac & inner enamel epithelium from dental papilla by …

Read More »

Growth and Development of Teeth

Introduction. Definition of  Growth & Development. Formation of Dental lamina. Developmental stages of tooth. Factors affecting growth & development. Developmental anomalies. Refrences. Inner enamel epithelium: Consists tall columnar cells about 4 to 5 microns in diameter & about 40 microns . Contains nucleus away from basement membrane. Nucleus/cytoplasmic ratio is …

Read More »

GIC Recent Advancements

1965 –A.D Wilson mixed dental silicate glass powder & aqueous solutions of various organic acids including poly acrylic acid      Set cement is sluggish      Not reported or published.   The invention of glass ionomer cement was done in 1969.first     reported by Wilson and Kent in 1971.( ASPA I)   First …

Read More »

Conditioning the Cavity

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 The restoration procedure is now finished and the patient is asked to refrain from eating for at least an hour.

Read More »

Fundamentals of Cavity

DEFINITION OF TOOTH PREPARATION   Tooth preparation is defined as the mechanical alteration of a defective, injured, or diseased tooth to best receive a restorative material that will reestablish a healthy state for the tooth, including esthetic corrections where indicated, along with normal form and function.     (Sturdevant)   Tooth preparation …

Read More »

FLOURIDES

INTRODUCTION    CHEMISTRY & OCCURRENCE   SOURCES   FLUORIDE METABOLISM   HISTORY   MECH OF ACTION IN DENTISTRY   EFFECT OF CARIES PROCESS   CLINICAL USE OF FLUORIDES         SYSTEMIC FLUORIDES         TOPICAL FLUORIDES   FLUORIDE TOXICITY   REFERENCES   CONCLUSION “As the downward adjustment of the of fluoride ion …

Read More »

Fillers in Dentistry

INTRODUCTION WHAT ARE FILLERS? PROPERTIES OF A FILLER FILLERS USED IN VARIOUS MATERIALS COMPOSITES CERAMICS AMALGAM DIRECT FILLING GOLD TEMPORARY CEMENTS INVESTMENT MATERIALS CASTING ALLOYS IMPRESSION MATERIALS ENDODONTICS REFERENCES CONCLUSION        BENIFITS INCREASES HARDNESS. INCREASES STRENGTH. REDUCES WEAR OF MATERIAL. REDUCES POLYMERIZATION SHRINKAGE. REDUCES THERMAL EXPANSION & CONTRACTION. IMPROVED …

Read More »

Fadamentals of Cavity prep

INTRODUCTION CAVITY PREPARATION- DEFINITION HISTORY OBJECTIVES OF CAVITY PREPARATION FACTORS AFFECTING CAVITY PREPARATION Henry A Time – slant technique Extension for Prevention – Marshall Ebb &    G V Black Charles E Woodbury, E K Wedelstaedt, Walton I Ferrier , George Hollenback 1930 G V Black- systemic approach to cavity preparation …

Read More »

FACIAL NERVE

Introduction Embryology Derivatives of the second arch Functional Components Nuclei & Their Distribution Course & Relations Branches & Their Distribution Ganglions associated with facial nerve APPLIED ANATOMY Surface Marking Clinical Anatomy Bell’s Palsy Ramsay Hunt Syndrome By the third week of gestation, the fascioacoustic primordium gives rise to cranial nerves …

Read More »

ESTHETIC RESTORATION SEMINAR

Increased contrast increases visibility . Increased light reflection increases visibility. Increased light deflection diminishes visibility. Shadows create depth. Light creates prominence. vertical lines accent length. horizontal lines accent width.   Applying Tints Tints are translucent and cover the spectrum with fairly intense Chroma, simulate general dentinal colors They are used …

Read More »

ESTHETIC RESTORATION

Silica Glass (SiO2) [Slide 7 Content] Beach sand and ordinary glass Crystalline quartz Larger particles Not polishable Pyrolytic silica Sub micron particles Barium, strontium, lithium Engineered aluminum silicates Radiopaque Polishable All have good optical properties Also know as Self or Auto Cure Requires mixing Incorporation of air voids Benzoyl Peroxide …

Read More »

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 …

Read More »

ENDODONTIC-ORTHODONTIC RELATIONSHIP

INTRODUCTION ENDODONTIC INTERVENTION DURING ORTHODONTIC TREATMENT ENDODONTIC INTERVENTION AFTER ORTHODONTIC THERAPY IMPACT OF ORTHODONTIC TOOTH MOVEMENT ON THE VIABILITY OF THE DENTAL PULP EFFECT OF ORTHODONTIC MOVEMENT ON ROOT RESORPTION OF ENDODONTICALLY TREATED TEETH The presence of ongoing orthodontic treatment may impact on the provision or endodontic treatment, depending on …

Read More »

Endodontically Treated

Tooth structure loss by: Caries, trauma, erosion, abrasion, attrition. Previous restorations and recurrent caries under restorations. Endodontic treatment; due to removal of coronal and intraradicular Dentine during access and root canal  preparation. Micro cracks in remaining tooth structure produced by  endodontic procedures. Weakened  collagen intermolecular cross-links of Dentine à lower …

Read More »