AACD

AACD practice questions, page 5 of 6, with answer review and explanations.

Question 21

In order to provide enough space for tissue health, the minimal distance from the alveolar crest to the ovate pontic needs to be:

  1. 1.0 mm.
  2. 2.0 mm.
  3. 3.0 mm.
  4. 4.0 mm.

Question 22

The long axis of a tooth inclines distally in the inciso-apical direction. Which of the following is also true?

  1. Inclination increases from incisors to cuspids
  2. Inclination decreases from incisors to cuspids
  3. Inclination is constant from incisors to cuspids
  4. Inclination decreases from centrals to laterals and increases from laterals to cuspids

Question 23

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?

  1. mm
  2. mm
  3. mm
  4. mm

Question 24

Which of the following is correct concerning tooth preparation for diastema closure with bonded porcelain restorations?

  1. Keep all margins supragingival or equigingival
  2. Full crown preparations are best used to close spaces
  3. Subgingival interdental margins will allow for improved emergence profiles
  4. Mini-wings must always be used to close a black triangle interdentally

Question 25

Dermal matrix grafting possesses distinct advantages over palatal connective tissue. Why?

  1. The palate is a poor donor site for connective tissue
  2. Single teeth can be treated in one visit
  3. Unlimited amounts of donor tissue are available
  4. The palatal donor tissue is abundant but of poor quality for grafting