Instrumentation zone in periodontal therapy is 1) The portion of the tooth where calculus (or) necrotic cementum is found 2) CE junction 3) Exposed root surfaces 4) Deep periodontal pocket
PeriodonticsAnswer: 1
Root commonly removed in maxillary first molar during hemisection or root section is 1) Palatal 2) Distobuccal 3) Mesiobuccal 4) None of the above
PeriodonticsAnswer: 2
Free gingival graft is indicated in all of the following except 1) Recession due to inflammation with no pockets 2) Along with gingival extension procedure if soft friable pocket is present 3) Root coverage, denuded on single tooth 4) None of the above
PeriodonticsAnswer: 3
The thixotropic theory claims that 1) The periodontal ligament has the rheologic behaviour of a thixotropic gel 2) The displacement of the tooth is largely controlled by fluid movements 3) Both the above 4) None of the above
PeriodonticsAnswer: 1
The inorganic component of subgingival plaque is derived from 1) Saliva 2) Crevicular fluid 3) A and B 4) Fluids ingested
PeriodonticsAnswer: 2
The most effective caustic that may be used locally in the treatment of hypersensitive dentin in the molars is 1) Alcohol 2) Chlorhexidine 3) Trichloroacetic acid 4) Silver nitrate
PeriodonticsAnswer: 4
Chemical plaque control 1) Is an effective replacement for mechanical plaque control 2) Is especially recommended after periodontal surgery 3) Is best achieved using cetylpyridium chloride mouthwashes 4) Is of no use
PeriodonticsAnswer: 2
The pattern of bone destruction in periodontitis is determined by 1) Depth of the pockets 2) Suppuration 3) Pathway of inflammation 4) Composition of plaque
