Internal resorption in a tooth is seen as 1) Calcium hydroxide pulpotomy 2) Replacement resorption 3) Non-proliferation lesion 4) Desensitizing tooth
EndodonticsAnswer: 3
Which of the following is a disinfectant, sterilizing agent and an antiseptic 1. Sodium hypochlorite 2. Glutaraldehyde 3. Hydrogen peroxide 4. Methylated spirit
EndodonticsAnswer: 1
EDTA, which is an active ingredient in root canal preparation, has its principal action in 1) Decalcification of dentin 2) Dissolution of necrotic debris 3) Lubrication of the canal during instrumentation 4) All of the above are correct
EndodonticsAnswer: 4
Carbamide solution used for bleaching degrades into 1) 0.3 % sodium perborate 2) 30 % hydrogen peroxide 3) 3 % hydrogen peroxide 4) 30 % sodium perborate
EndodonticsAnswer: 3
Which of the following has the largest relative mesiodistal dimension of the root canal? 1. Maxillary lateral incisor 2. Mandibular second premolar 3. Palatal root of maxillary 1st molar 4. Distal root of the mandibular 1st molar
EndodonticsAnswer: 4
Internal resorption is characterised by 1) Pain on percussion 2) Show dull continuous pain 3) No characteristic feature symptom free 4) Increased pulpal pain when lying down
EndodonticsAnswer: 3
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
The success of calcium hydroxide pulpotomy is determined by 1. Formation of a calcification bridge 2. Formation of hard base to support the restoration 3. Continuation of root formation & apexogenesis 4. All of the above