Dental Materials MCQs

Page No. 13

The most commonly used, most biocompatible and adhesive cement is______________?


aZinc phosphate


bZinc oxide eugenol


cCalcium hydroxide


dGlass ionomer


View Answer Glass ionomer

PH of which cement remain below 7 even after 1 month after insertion into the cavity ?


aGlass Ionomer Cement


bZinc phosphate


cResin cement


dSilicate cement


View Answer Silicate cement

The setting of zinc phosphate is accelerated by_____________?


aAdding a drop of water


bIncreasing mixing time


cCooling the slab


dAdding a drop of oleic acid



Why GIC is best restorative material in children_____________?


aHigh strength


bGood marginal integrity


cIt can bond enamel & dentin


dIt has less occlusal wear



Most preferable cement for temporary restoration______________?


aGIC


bZOE


cCa (OH)2


dZinc polycarboxylate cement


View Answer ZOE

Secondary caries is least likely seen with_______________?


aSilicate cement


bZinc phosphate


cPolycarboxylate


dGIC


View Answer Silicate cement

Best marginal seal is provided by____________?


aZinc phosphate


bZinc oxide eugenol


cGutta-percha


dResin


View Answer Zinc oxide eugenol

The effect of zinc oxide-eugenol on the pulp ?


aIs irritating


bEncourages pulpal fibrosis


cIs sedating


dHas no effect


View Answer Is sedating

Which of the following is most important in strength ZOE_____________?


aLiquid powder ratio


bTemperature of mixing stab


cSpeed of mixing


dAddition of few drops of water


View Answer Liquid powder ratio

The dual cure cements should not be used with light transmitting prostheses thicker than____________?


a1 mm


b1.5 mm


c2 mm


d2.5 mm


View Answer 2.5 mm

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