Mcq Subject: Dental
In which type of lesion ‘eburnation’ of the dentine is seen?
A. Acute caries
B. Chronic caries
C. Arrested caries
D. Root Caries
View DescriptionThe neutralization of saliva is due to
A. Mucin
B. Ammonia
C. Amino a cids
D. Bicarbonates
View DescriptionSterilization of hand piece will cause:
A. Rust of hand piece
B. Turbine wear
C. Fibre loss
D. Loss of torque
View DescriptionFear developed in a patient due to previous experience, events, objects:
A. Innate fear.
B. Subjective fear.
C. Objective fear.
D. None.
View DescriptionAccording to WHO guidelines for excess sugar control by all except
A. Fiscal policies
B. Chair side council
C. Marketing
D. Food Labelling
View DescriptionPosition and movement of articular disc of TMJ is controlled by fibers of:
A. Lower head of lateral pterygoid muscle
B. Sphenomandibular ligament
C. Superficial head of medial pterygoid muscle
D. Upper head of lateral pterygoid muscle
View DescriptionOcclusal isthmus of a M.O. dental amalgam is resistant to fracture if:
A. Pulpal floor depth is 1mm
B. Dove tail is present
C. Axiopulpal line angle is rounded
D. Unsupported enamel at the gingival cavosurface margin is planed
View DescriptionIt is necessary to remove a disto-occlusal inlay from maxillary premolar. The procedure of choice is:
A. Cut through the isthmus and remove the inlay in 2 pieces
B. Use a chisel and mallet
C. Try to tease the inlay out with help of an elevator
D. Remove the inlay in one piece
View DescriptionWhich of the following is most appropriate for pseudopocket ?
A. Is a feature of periodontitis
B. Is associated with attachment loss
C. Is associated with trans-septal fibres loss
D. May have a depth of more than 3 mm
View DescriptionAll of the following is true about dentinal tubules except:
A. Inner pulpal layer contains more dentinal tubules than outer dentin layer
B. The diameter of dentin tubules ranges from 5 to 7μm
C. The diameter of dentinal tubule is more at pulpal layer than outer layer
D. The bonding is more difficult on the inner Layer of dentin compared to outer surface
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