Mcq Subject: Dental

A 8-years-old patient comes to you with malocclusion what will be your line of treatment:

A. Wait and watch till canine erupts

B. Extraction a and orthodontic treatment

C. Serial extraction

D. Immediate intervention with removal appliance

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A suitable fixative for a routine biopsy specimen is

A. 10% formalin

B. 40% formalin

C. 20% formalin

D. 10% alcohol

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Advantage of wide palatal bar over narrow bar is:

A. Less discomfort

B. Less bulk

C. More tough

D. More tissue coverage (area of basal seat)

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All of the following are true about bacteriocin except:

A. It has no role in adherence of plaque to the tooth surface

B. It can be used in therapy of dental caries

C. It is a protein

D. It enhances the growth of other bacteria

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Force generated by 90° rotation of finger spring in pendulum appliance with distalisation:

A. 75 gms

B. 125 gms

C. 150 gms

D. 200 gms

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In which tooth all the 8 types of Vertucci seen

A. 1st maxillary premolar

B. 2nd maxillary premolar

C. 1st mandibular premolar

D. 2nd mandibular premolar

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Which surface of tooth has most of plaque?

A. Gingival third of tooth surface

B. Incisal one third of tooth surface

C. Middle third of tooth surface

D. Uniform on all surfaces

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Which tooth is known as enigma to endodontist

A. Mandibular canine

B. Maxillary 1st premolar

C. Mandibular 2nd premolar

D. Mandibular 1st premolar

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Vulcanization refers to the setting of:

A. Reversible hydrocolloid

B. Mercaptan impression material

C. Zinc phosphate cement

D. Zinc oxide-eugenol

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The function of reciprocal clasp arm is:

A. a) To balance the denture

B. b) To act as a direct retainer

C. c) To counteract the movement of denture which is caused during engagement of retentive arm

D. d) None of the above

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