Dental Materials MCQs

Page No. 12

All of the following statements are true for zinc oxide eugenol cements except______________?


aIncrease in temperature and humidity shorten the setting time

✖


bThe mix appear thick at the start of mixing but after 30 seconds of additional spatulation it becomes more fluid

✖


cWater accelerates but heat retards the setting of zinc oxide eugenol cements

✖


dboth B & C

✓


View Answer both B & C

Which glass ionomer cement develops early resistance to water intake on setting ?


aReinforced auto care glass ionomer cement

✖


bCompomer

✖


cResin modified glass ionomer cement

✓


dCeramic reinforced glass ionomer cement

✖



About zinc oxide eugenol all are true except_______________?


aZnO is converted to Zn(OH)2

✖


bReaction is autocatalytic

✖


cWater is the byproduct of reaction

✖


dDehydrated ZnO reacts with dehydrated eugenol

✓



Frozen slab technique of mixing zinc phosphate is used for_______________?


aCementing crowns

✓


bTemporary dressing

✖


cbase

✖


dcementing orthodontic bands

✖


View Answer Cementing crowns

Strength of zinc phosphate is effected by_______________?


aTemp of glass slab

✖


bP:L ratio

✓


cConsistency of mix

✖


dAlteration of mixing time

✖


View Answer P:L ratio

Which of the following acts as accelerator in Zinc oxide eugenol______________?


aZnCl2 + Eugenol

✖


bZnCl2 + ZnSO2

✓


cEugenol + ZnO

✖


dZn(OH)2 + ZnO

✖


View Answer ZnCl2 + ZnSO2

Frozen slab technique is applicable to_____________?


aZinc phosphate cement

✓


bGlass Ionomer cement

✖


cZinc oxide Eugenol cement

✖


dResin cement

✖


View Answer Zinc phosphate cement

Age hardening is a process done at______________?


aHeating up to 200 – 450°C for 15 – 30 min and quenching in water

✓


bHeating at 700°C for 10 – 15 min and quenching in water

✖


cHeating at 700°C for 1 hour and quenching in water

✖


dHeating above 700°C for 30 min and quenching in water

✖



The principal constituent of set silicate cement matrix is_______________?


aHydrated Aluminium Phosphate

✖


bHydrated Aluminium Phosphate with calcium fluoride

✖


cHydrate Aluminosilicate gel

✖


dHydrated Aluminium phosphate crystal, CAF2 alluminosiliate gel

✓



Torsional force is_______________?


aCompression

✖


bTensile force

✖


cShear

✓


dTransverse bending force

✖


View Answer Shear

Goto Page No.

Page 12 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