Mcq Subject: Dental

Short sharp pain of tooth transmitted to brain by

A. A delta fibers

B. C fibers

C. Beta fibers

D. Gamma fibers

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Extension of odontoblast processes into enamel

A. Enamel spindle

B. Cracks

C. Primary dentin

D. Secondary Dentine

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All of the following device work on traction principle except:

A. Ferrier double bow separator.

B. Elliot separator.

C. Perry separator.

D. None

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A 12 year old child complains of recurrent pain over right maxillary posterior tooth but clinically no caries can be found. He also reports of cold and fever spells. What should be advised to the patient?

A. Extract the primary retained tooth i.e., 54, 55

B. Extract the tooth 16, 54, 55

C. Refer to physician for the evaluation of maxillary sinus

D. Do nothing

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Tooth eruption is due to

A. Osteoclastic activity

B. Proliferation of cells at crypt

C. Exfoliation of primary tooth

D. Eruptive forces

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Which component of zinc oxide-eugenol cement gives its strength?

A. Rosin

B. Zinc oxide

C. Zinc acetate

D. Oil of cloves

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Innervation of pulp is from

A. Trigeminal nerve

B. Facial nerve

C. Glossopharyngeal nerve

D. Hypoglossal nerve

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Numbness and tingling sensation felt in the anterior one third of the tongue can be due to:

A. Over extended lingual borders

B. Sharp and rough lingual borders

C. Allergy to residual monomer of acrylic

D. Excessive vertical dimension

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Thermal conductivity of which material is close to dentin:

A. Amalgam

B. Silicate

C. Composite resin

D. Cavity varnish

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In Inlay and 3 fourth crowns main purpose of bevel is

A. To remove unsupported enamel rods

B. Increase retention

C. Provide secondary resistance

D. None of above

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