Dental Materials MCQs

Page No. 16

Which is not present in porcelain________________?


aSilica


bFeldspar


cCalcium carbonate


dAmorphous material


View Answer Amorphous material

Flux used in dental ceramic is________________?


aAlumina


bSilica


cKaolin


dBoric oxide


View Answer Boric oxide

Opaque porcelain________________?


aIs Feldspathic glass


bContains opacifier like zirconium and titanium oxide


cNot used to mask the colour of the cement used in placing of restoration


dUsed to produce the characteristic translucence, which is an inherent aspect of the incisal edge in natural teeth



Dicor restoration is_______________?


aTwo coloured restorations


bHeat pressed ceramic


cCastabel ceramic


dNone of the above


View Answer Castabel ceramic

Porcelain binds to metal in PFM crown by_________________?


aMetallic bond


bTransparency


cChemical bond


dBoth B and C


View Answer Both B and C

In method of firing: A shorter firing period at a higher temperature is considered better_______________?


aA long firing period at a very low temperature is preferred


bA long firing period at a very high temperature is preferred


cA short firing period at a very low temperature is preferred


dNone of these



Quartz is Dental porcelain is______________?


aStrengthener


bBinder


cPigment


dCrack minimzer


View Answer Strengthener

Which of the following bur is used in the preparation of cavity restored with porcelain fused to metal ?


aCarbide bur


bDiamond bur


cStainless steel bur


dDiamond but for porcelain and carbide bur for metal



The first porcelain tooth material was introduced by______________?


aDeChemant


bAsh


cPlateau


dMcClean


View Answer DeChemant

Chemical method of strengthening porcelain involves_________________?


aExchange of aluminium and sodium ions


bExchange of aluminium and potassium ions


cExchange of sodium and potassium ions


dNone of the above



Goto Page No.

Page 16 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