The purpose of a root canal sealer is to 1. Seal the tubules of the dentin 2. Stimulate healing in periapical region 3. Prevent discolouration 4. Fill the space between solid core material and the pulp canal walls
EndodonticsAnswer: 4
In a vital rooth if root canal treatment is to be performed, then 1) Root canal filling should be 0.5-1 mm short of the radiographic apex and filling to the same length 2) Root canal filling should be up to the radiographic apex 3) Root canal filling 0.5-1 mm beyond the radiographic apex 4) Root canal filling 0.5-1 mm short of the radiographic apex
EndodonticsAnswer: 1
The following is a critical factor affecting success of a reimplantation of an avulsed tooth 1. Time lag between avulsion & treatment 2. Preserving tooth in dry state 3. Removing the ruptured periodontal fibres 4. Time period of stabilisation
EndodonticsAnswer: 1
Discolouration of the teeth results from 1. Decomposition of the pulp 2. Filling materials 3. Haemorrhage following pulp extirpation 4. All of the above
EndodonticsAnswer: 4
Referred pain to ear is mainly from 1. Mandibular molars-same side 2. Mandibular anterior teeth-same side 3. Maxillary molars-same side 4. Maxillary anterior teeth-same side
EndodonticsAnswer: 1
Recapitulation 1) Uses large files to the flare the root cananl 2) Removing debris with a smaller instrument than the instrument that goes to the apex 3) Use of large files to flare the root canal but in between use of small instrument to confirm the initial length 4) All of the above
EndodonticsAnswer: 3
Blood-borne seeding of bacteria into an area of previously damaged or irritated pulp with a resultant inflammation is known as 1) Bacterial endocarditis 2) Anchoretic pulpitis 3) Chronic hyperplastic pulpitis 4) Ulcerative pulpitis
EndodonticsAnswer: 2
Which surgical procedure is indicated after the endodontic treatment is completed of a mandibular molar with periodontal and carious involvement of the bifurcation 1) Hemisection 2) Fenestration 3) Root amputation 4) Apical curettage