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Free AACD Exam Braindumps
American Academy of Cosmetic Dentistry Questions 71–75 (page: 16)

Updated On: 9-Feb-2026
Page 16 of 31
PDF with 149 Questions

Which of the following photoactivators is used in most light-curing materials?

  1. Aminobenzoate
  2. Camphorquinone
  3. Metronidazole
  4. Benzoyl peroxide

Answer(s): B



What does potassium nitrate do in bleaching materials?

  1. Acts as a surfactant in the bleaching tray
  2. Creates a calming effect on the tooth's nerve
  3. Re-polarizes the neural pain stimulus response
  4. Improves bleaching effectiveness

Answer(s): B



Why do nanofilled composites retain their polish?

  1. They have a mix of hybrid filler particles and nano-filler particles
  2. They have a composition consisting of a low filler to resin matrix ratio
  3. They exhibit breakdown of the nano-clusters as they wear 101
  4. They exhibit uniform polymerization with a reduced cure time

Answer(s): A



In an internal derangement of the TMJ:

  1. the disk is usually nonreducible.
  2. surgical intervention is indicated.
  3. lateral pole disk derangements usually precede medial pole derangements.
  4. during lateral pole derangements, the medial pole is braced just down the eminence in centric relation.

Answer(s): A



Porcelain veneers should be bonded with:

  1. A hybrid cement to provide extra strength.
  2. A dual cure cement to increase the working time.
  3. An opaque cement to mask underlying tooth structure.
  4. A dentin bonding agent whenever dentin is exposed.

Answer(s): D



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