Mcq Subject: Dental

Good clinical practice is observed in all phases of clinical trials, EXCEPT?

A. Preclinical

B. Phase I

C. Phase II

D. Phase V

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Girdle like elevation on the lingual surface of anteriors is

A. Cingulam

B. Mamelons

C. Incisal edge

D. Incisal ridge

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In mandibular first molar, extra distal root is known as

A. Radix paramolaris

B. Radix entomolaris

C. Tomt’s root

D. None of the above

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Edge angle is the angle between:

A. Rake face and radial line.

B. Rake face and clearance face.

C. Clearance face and tooth structure.

D. Radial line and clearance face

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According to Weerheijm et al, prevalence of MIH (Molar-Incisor hypomineralisation) :

A. 1.2% to 25.6%

B. 2.4% to 40.2%

C. 6.2% to 48.8%

D. 9.7% to 62.1%

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Thumb sucking is normal during:

A. The first year of life.

B. First 2 years of life.

C. First 3 years of life.

D. First 4 years of life.

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Cervical resorption after bleaching is prevented by:

A. 80% alcohol drying immediately after bleaching

B. Alpha tocopherol applied immediately after bleaching

C. Sodium perborate + sodium hypochlorite

D. Sodium perborate + calcium hydroxide

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Principle secretory cells found in the single layer outlining the pulp (Ourtermost zone of pulp)

A. Fibroblasts

B. Odontoblast

C. Ameloblast

D. Undifferentiated cells

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Basically TMJ is a:

A. Ball and socket joint

B. Hinge and axis joint

C. Synovial joint

D. Diarthrodal joint

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Which of the following zone is characterized by macrophages and osteoclasts?

A. Zone of infection

B. Zone of contamination

C. Zone of irritation

D. Zone of stimulation

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