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