Dental Materials MCQs

Page No. 9

Thermal conductivity of which material is close to dentin____________?


aAmalgam

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bSilicate

✓


cComposite resin

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dCavity varnish

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View Answer Silicate

The logical explanation for the unique anticariogenic property of most silicate cements is______________?


aThe reduction in enamel solubility due to fluoride uptake by enamel

✓


bThat beryllium flux is used in silicates

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cThat silicates show very little leakage at the margins of the restoration

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dDue to the high silica content

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The tow cements which hold with the tooth are_______________?


aGIC and polycarboxylate

✓


bGIC and ZnPO4

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cZnPO4 and silicate

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dGIC and silicate

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All of the following is used as accelerator in zinc oxide eugenol cement except_____________?


aAcetic acid

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bZinc acetate dehydrate

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cCalcium chloride

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dBromoglycerine

✓


View Answer Bromoglycerine

What is the working time of zinc polyacrylate cement ?


a1 Minutes

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b2 Minutes

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c3 Minutes

✓


d4 Minutes

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View Answer 3 Minutes

Which of the following cements is most kind to pulp ?


aGlass ionomer

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bPolycarboxylate

✓


cSilicate

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dResin cement

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View Answer Polycarboxylate

Silicate cement is indicated in________________?


aMouth breathers

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bPatients with high caries index

✓


cIn the restoration of posterior tooth

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dNone of the above

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The cement Which is least soluble in oral cavity______________?


aGlass ionomer

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bResin cement

✓


cPolycarboxylate cement

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dSilico-Phosphate cement

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View Answer Resin cement

Which cement is irritating to the pulp ?


aCarboxylate cement

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bZinc oxide-eugenol cement

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cZinc phosphate

✓


dEthoxybenzoic acid

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View Answer Zinc phosphate

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


aResin

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bZinc oxide

✓


cZinc acetate

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dOil of cloves

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View Answer Zinc oxide

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