100% Free Test Prep AACD Practice Test Questions and Answers 2026

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Total 150 Questions | Updated On: May 23, 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

Of the following, what is the BEST treatment for a Class IV fracture of a lateral incisor with no pulp exposure and otherwise healthy teeth?

A : Bonding: this is the most conservative treatment for a Class IV fracture of this tooth

B : Provisional: this will allow you to assess the tooth-s long-term nerve health

C : Porcelain Jacket Crown: this will allow you to most closely match the adjacent teeth

D : Lithium disilicate crown: this provides the best complement of strength and esthetics

Answer: C

Question 3

If a ceramic crown repeatedly fractures on the facial incisal of tooth #8. the MOST likely cause is tooth preparation with which of the following?

A : Rounded incisal edge

B : Minimal chamfer finish line

C : Nearly uniform reduction of 1.5 mm

D : Taper of 8 degrees

Answer: B

Question 4

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 5

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

Page: 1 / 30

Total 150 Questions | Updated On: May 23, 2026

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