Dental Materials MCQs

Page No. 13

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


aZinc phosphate

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bZinc oxide eugenol

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cCalcium hydroxide

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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

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bZinc phosphate

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cResin cement

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dSilicate cement

✓


View Answer Silicate cement

The setting of zinc phosphate is accelerated by_____________?


aAdding a drop of water

✓


bIncreasing mixing time

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cCooling the slab

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dAdding a drop of oleic acid

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Why GIC is best restorative material in children_____________?


aHigh strength

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bGood marginal integrity

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cIt can bond enamel & dentin

✓


dIt has less occlusal wear

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Most preferable cement for temporary restoration______________?


aGIC

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bZOE

✓


cCa (OH)2

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dZinc polycarboxylate cement

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View Answer ZOE

Secondary caries is least likely seen with_______________?


aSilicate cement

✓


bZinc phosphate

✖


cPolycarboxylate

✖


dGIC

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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

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bEncourages pulpal fibrosis

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cIs sedating

✓


dHas no effect

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View Answer Is sedating

Which of the following is most important in strength ZOE_____________?


aLiquid powder ratio

✓


bTemperature of mixing stab

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cSpeed of mixing

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dAddition of few drops of water

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View Answer Liquid powder ratio

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


a1 mm

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b1.5 mm

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c2 mm

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d2.5 mm

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View Answer 2.5 mm

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