Free Test Prep AACD Practice Exam Questions and Answers 2026

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Total 150 Questions | Updated On: Apr 01, 2026

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Question 1

What minimum distance is needed between an implant and the root of a tooth in order to keep the tooth's bony attachment intact and prevent horizontal bone loss?

A : mm

B : mm

Answer: B

Question 2

Using the principles of golden proportion, the ideal width of a central incisor should be what percent of its length?

A : 65% - 69%

B : 70% - 74%

C : 75% - 79%

D : 80% - 84%

Answer: A

Question 3

How can fracture toughness be described?

A : A measure of material resistance to rapid crack propagation

B : A quantitative analysis of ceramic wear

C : A poor indicator of a material clinical reliability

D : A recent enhancement by the addition of glass to ceramic materials

Answer: A

Question 4

Central dominance in dental composition can be increased by:

A : Narrowing the line angles.

B : Reducing the vertical dimension.

C : Closing the diastema at mid-line.

D : Lowering the value.

Answer: B

Question 5

In what position of the TMJ can the mandible accept firm compressive loading with no signs of tenderness or tension?

A : Centric relation

B : Centric occlusion

C : Lateral excursion

D : Maximum opening

Answer: A

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Total 150 Questions | Updated On: Apr 01, 2026

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