Dental Materials MCQs Quiz 7

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Question 1

Asbestos Liner Is Used In A Casting Ring To______

Score: 1 of 1
Your answerChoice

Facilitate Venting Of The Mold

Retard The Heating Of The Investment

Selected

Permit Expansion Of The World

All Of The Above

Question 2

Austenite Is An Alloy Of Iron Of And Carbon With The Iron In______

Score: 0 of 1
Your answerChoice

None Of The Above

Selected

Alpha Form

Gamma Form

Beta Form

Question 3

Average Particle Size Of Powdered Gold Is______

Score: 0 of 1
Your answerChoice

30 Um

Selected

0.1 Um

15 Um

10 Um

Question 4

Back Pressure Porosity Can Be Avoided By______

Score: 0 of 1
Your answerChoice

Using A Short And Wide Sprue

Selected

Preventing Rapid Heating The Investment In Burnout Oven

Placing The Sprue At Least One Quarter Inch Away Form The End Of Casting Ring

Using Asbestos Linear

Question 5

Balanced Stone Is Dental Stone______

Score: 1 of 1
Your answerChoice
Selected

In Which Accelerators Or Retarders Have Been Added According To Need

Which Undergoes Rapid Expansion

In Which The Crystals Are All Of Uniform Size

In Which Amount Of Water Of Hydration Is Controlled

Question 6

Before Pouring An Elastic Impression It Is Washed With Slurry Of Water And Stone To______

Score: 0 of 1
Your answerChoice

Wash Off Saliva On Impression

Prevent Syneresis

Selected

Increase Gel Strength

Prevent Distortion

Question 7

Benzoin Methyl Ether In A Polymer Indicates That They May Be Cured In The Presence Of______

Score: 1 of 1
Your answerChoice

Visible Light

Selected

Uv Light

Diketone

Infrared Light

Question 8

Best Impression Material To Be Used For Securing Impression After Crown Preparation______

Score: 0 of 1
Your answerChoice

Agar

Elastome

Selected

Alginate

Zno Paste

Question 9

Best Marginal Seal Is Provided By______

Score: 0 of 1
Your answerChoice

Zinc Oxide Eugenol

Zinc Phosphate

Selected

Gutta-Percha

Resin

Question 10

Best Material For Duplicating Cast Is______

Score: 0 of 1
Your answerChoice

Zinc Oxide Eugenol

Agar-Agar

Plaster Of Paris

Selected

Alginate

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