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Dental Materials MCQs Quiz 2

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Question 1

A Material Which Partially Transmits Light & Partially Scatters It______

Score: 0 of 1
Your answerChoice

Transparent

Selected

Translucent

Opaque

Reflector

Question 2

A Patient Who Has Had A Recent Amalgam Filling In The Upper Teeth Has A Gold Filling In The Lower Teeth, The Patient Complains Of Pain. The Reason For This Can Be Mainly______

Score: 1 of 1
Your answerChoice
Selected

Galvanism

Pulp Exposure

None Of The Above

Improper Amalgam Filling

Question 3

A Restorative Material Which Has A High Proportional Limit, Compared With One With A Lower Proportional Limit Would Have______

Score: 0 of 1
Your answerChoice
Selected

A Higher Modulus Of Elasticity

Greater Ductility

Greater Toughness

More Resistance To Permanent Deformation

Question 4

A Rough / Chalky Surface Of The Cast Is Due To______

Score: 1 of 1
Your answerChoice

Air Incorporation In The Mix

Selected

All Of The Above

Not Waiting For 20 Min Before Pouring

High Speed Accelerator

Question 5

A Technique Of Combining Reversible And Irreversible Hydrocolloid That Could Bond To Irreversible Hydrocolloid Is Known As______

Score: 1 of 1
Your answerChoice

Injecting Technique

Tempering Technique

Selected

Laminate Technique

Immersion Technique

Question 6

A Thinner Mix Of A Gypsum Bonded Investment Will______

Score: 1 of 1
Your answerChoice

Produce A Smoother Casting

Increase Setting Expansion

Selected

Decrease Setting Expansion

Increase Thermal Expansion

Question 7

Ability Of An Orthodontic Wire To Spring Back To Its Original Shape Is Evaluated By______

Score: 1 of 1
Your answerChoice
Selected

Resilience

Brittleness

Tensile Strength

Toughness

Question 8

About Polymerization Shrinkage Of Composite All Are True, Except______

Score: 1 of 1
Your answerChoice

Acid Etching And Priming Will Decrease Polymerization Shrinkage

Microleakage Can Occur Because Of Polymerization Shrinkage

Polymerization Shrinkage Is High If Within The Enamel Margins

Selected

Polymerization Shrinkage Is Greater If Bonded Surface Area Is Lesser Than Unbounded Surface Area

Question 9

About Zinc Oxide Eugenol All Are True Except______

Score: 0 of 1
Your answerChoice

Dehydrated Zno Reacts With Dehydrated Eugenol

Selected

Zno Is Converted To Zn(Oh)2

Reaction Is Autocatalytic

Water Is The Byproduct Of Reaction

Question 10

Absorption Of Mercury In The Human Body Occurs Least From______

Score: 1 of 1
Your answerChoice

Skin

Lungs

Selected

Kidneys

Gastro-Intestinal Track

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