Mcq Subject: Dental

Optimal landmark for termination of cleaning, shaping and obturation is

A. Cementodentinal junction

B. Apical constriction

C. Minor diameter

D. All of the above

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Considering the morphology of root and pulp canals, a root canal instrument should be placed in what direction to gain access to the Mesiofacial root of permanent maxillary first molar:

A. From the mesiobuccal

B. From the distobuccal

C. From the mesiolingual

D. From the distolingual

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Which of the following is not a behavioral theory:

A. Cognitive theory.

B. Hierarchy of needs.

C. Social learning.

D. Classical conditioning.

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Child of an Overindulgent mother will be:

A. Shy, submissive.

B. Aggressive, display temper tantrums.

C. Evasive and dawdling.

D. Disobedient.

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Student t test is:

A. Parametric test based on average

B. Non parametric test based on average

C. Parametric test based on variance

D. Non parametric test based on variance

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Sealer penetration into dentinal tubule depends mainly on?

A. Type of sealer used

B. Method of obturation

C. Not Recalled

D. Not Recalled

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The direct bonded orthodontic stainless steel brackets derive retention with composite because of:

A. The mechanical interlock with mesh at the bracket base

B. The chemical interlock of composite with bracket base

C. Both mechanical and chemical interlock of composite with the bracket base

D. Biological interlock between the tooth surface and bracket

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Euphemism pudding paste is used for:

A. Sealants.

B. Varnish.

C. GIC.

D. Alginate.

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Lingual ridge is most prominent in

A. Upper Canine

B. Lower Canine

C. Upper Central Incisor

D. Lower central incisor

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Pulp proper resembles

A. Loose connective tissue

B. Fine nerve fibers and blood vessels

C. Multipotent cells

D. All of the above

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