Dental Materials MCQs

Page No. 55

The most important disadvantage of acrylic denture base is_______________?


aPorosity


bShrinkage


cTooth breakage


dWater absorption


View Answer Shrinkage

Which of the following constituents is common in occlusal sealants, bonding agents, composite resins ?


aBIS GMA


bPolymethyl methacrylate


cBenzoin methyl ether


dSilica filler


View Answer BIS GMA

The function of the coupling agent in a restorative resin is to allow______________?


aAdhesion of resin particles


bBonding between filler crystals


cBonding between filler and resin


dBonding between tooth and resin



No trail closure is necessary with which one of the technique during denture fabrication_____________?


aCompression moulding technique


bInjection moulding technique


cFluid resin technique


dLight cured technique



Acid-etching is done for_______________?


a30 seconds


b60 seconds


c90 seconds


d120 seconds


View Answer 30 seconds

The polymerization of self-curing resin takes faster in______________?


aCold water


bHot water


cUnder pressure


dIn vaccum


View Answer Hot water

Which of the following provide opacity to composite ?


aTEGDMA


bBIS-GMA


cTi02


dNone of the above


View Answer Ti02

Dentin bonding agents usually contain_____________?


aOnly Hydrophobic component


bOnly hydrophilic component


cHydrophobic and hydrophilic component


dLyophillic and lyophobic component



The advantage of unfilled methyl methacrylate is that______________?


aIt can be finished smoothly


bIt has a low degree of flow


cIt’s non-irritation to pulp


dIt’s wear resistant is high



About polymerization shrinkage of composite all are true, except______________?


aPolymerization shrinkage is greater if bonded surface area is lesser than unbounded surface area


bPolymerization shrinkage is high if within the enamel margins


cAcid etching and priming will decrease polymerization shrinkage


dMicroleakage can occur because of polymerization shrinkage



Goto Page No.

Page 55 of 62

Alphabetical MCQs Categories

Here below You find all kind of categories of MCQs in alphabetical order.


"Comprehensive Collection of MCQs: Alphabetically Organized by Subject"

"Discover an extensive collection of multiple-choice questions (MCQs) neatly categorized by subject from A to Z. This resource is designed for anyone eager to explore various topics in a straightforward and organized manner. Whether you're a student preparing for exams, an educator seeking supplementary materials, or simply curious about different subjects, this compilation offers a convenient way to learn and assess your knowledge. With questions arranged alphabetically, navigation is effortless, allowing you to delve into subjects of interest at your own pace. Engage, learn, and expand your understanding with this accessible and comprehensive repository of MCQs!"


BolPakistan

bolpakistan.com.pk includes Job Mcqs and Pak Mcqs is the Top Largest Mcqs Forum in World, in which you can read Mcqs of All Subjects, PPSC test preparation, FPSC, NTS and PPSC PAST PAPERS, PPSC PAST MCQS. A Collection of Repeated MCQs for JOBs seekers.

Copyright © 2024, Designed & Developed by BolPakistan