The most effective means of reducing microbes in root canal 1. Frequent medication of root canal 2. Complete debridement through instrumentation 3. Systemic antibiotics 4. All of the above
EndodonticsAnswer: 2
RCT treated with well-filled post and core, has a periapical radiolucency 1. Apicoectomy and retrograde filling with silver 2. Periapical curettage and apicoectomy 3. Retreat and filling with gutta-percha 4. None of the above
EndodonticsAnswer: 1
After apicectomy and curettage for a periapical lesion before suturing 1. Place antibiotics to reduce microbial count 2. Place homeostatic material in bone cavity 3. Place amalgam in bone cavity 4. Place nothing, allow the bone to regenerate
EndodonticsAnswer: 4
A Giromatic hand piece for endodontic instrumentation operates by a 1) Rotating motion 2) Oscillating motion 3) Zig-Zag motion 4) All of the above
EndodonticsAnswer: 2
Contraindications for apicoectomy are as follows 1) When general health is below par with rheumatism, diabetes, nephritis disease 2) In teeth with deep periodontal pockets and excessive mobility 3) In cases of inaccessibility 4) All of the above
EndodonticsAnswer: 4
Aging pulp is characterised by 1) Increased fibroblasts & pulp stones 2) Increased fibrosis & pulp stones 3) Increased vascularity & fibroblasts 4) None of the above
EndodonticsAnswer: 2
The best instrument for cutting dentin is 1) Reamer 2) File 3) Broach 4) Explorer
EndodonticsAnswer: 1
Final preparation of endodontic cavity in mandibular molar 1) Towards lingually 2) Should be straight occlusually 3) Towards mesially 4) Towards distally
