Dental Materials MCQs

Page No. 9

Thermal conductivity of which material is close to dentin____________?


aAmalgam


bSilicate


cComposite resin


dCavity varnish


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


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


dDue to the high silica content



The tow cements which hold with the tooth are_______________?


aGIC and polycarboxylate


bGIC and ZnPO4


cZnPO4 and silicate


dGIC and silicate



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


aAcetic acid


bZinc acetate dehydrate


cCalcium chloride


dBromoglycerine


View Answer Bromoglycerine

What is the working time of zinc polyacrylate cement ?


a1 Minutes


b2 Minutes


c3 Minutes


d4 Minutes


View Answer 3 Minutes

Which of the following cements is most kind to pulp ?


aGlass ionomer


bPolycarboxylate


cSilicate


dResin cement


View Answer Polycarboxylate

Silicate cement is indicated in________________?


aMouth breathers


bPatients with high caries index


cIn the restoration of posterior tooth


dNone of the above



The cement Which is least soluble in oral cavity______________?


aGlass ionomer


bResin cement


cPolycarboxylate cement


dSilico-Phosphate cement


View Answer Resin cement

Which cement is irritating to the pulp ?


aCarboxylate cement


bZinc oxide-eugenol cement


cZinc phosphate


dEthoxybenzoic acid


View Answer Zinc phosphate

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


aResin


bZinc oxide


cZinc acetate


dOil of cloves


View Answer Zinc oxide

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