Concentration of EDTA utilised during biomechanical preparation is 1) 20 % at pH 704 2) 15 % at pH 5.0 3) 15 % at pH 7.3 4) 25 % at pH 7.4
EndodonticsAnswer: 3
Bacteria most commonly isolated from root canal is 1. Actinomyces 2. Streptococci 3. Staphylococci 4. Fusobacterium
EndodonticsAnswer: 2
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 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
Untrue about sectional method of compaction 1) Used for post & crown 2) Voids are more 3) Difficult to retrieve 4) Vertical root fractures are more
EndodonticsAnswer: 4
All of the following are true about gutta-percha cone except 1. Gutta-percha is composed of 60-85 % gutta-percha and 20 % zinc oxide 2. Used in lateral condensation method 3. When heated exists in a & b form 4. All of the above are true
EndodonticsAnswer: 1
Endosonics utilizes whihc instrument 1. H file 2. K file 3. Endo box 4. Reamers
EndodonticsAnswer: 2
A pulp is inflammed as a result of deep caries and cavity preparation, which of the following helps the best to resolve the inflammation 1) Calcium hydroxide 2) No medication/material available presently which can promote pulp healing 3) Mineral trioxide aggregate 4) Poly antibiotic preparation
