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Test Prep AACD Exam
American Academy of Cosmetic Dentistry (Page 3 )

Updated On: 30-Jan-2026
Page 3 of 31
PDF with 149 Questions

When considering ceramics for posterior restorations, one should recognize that ceramics are stronger when?

  1. Under compressive stress, but weaker under tensile and shear stress
  2. Under tensile stress and weaker under shear and compressive stress
  3. Under shear stress and weaker under compressive and tensile stress
  4. Compressive stress is counter balanced by the combined tensile and shear stress

Answer(s): A



What term describes the reflection of more light in bonding material?

  1. Value
  2. Opalescence
  3. Opacity
  4. Fluorescence

Answer(s): D



When selecting a hybrid composite for a Class IV restoration, the MOST important factor to consider is the:

  1. bond strength of the cured material.
  2. ability of the material to mimic the appearance of the tooth.
  3. surface area of the defect to be restored.
  4. surface hardness of the material related to occusal forces.

Answer(s): B



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

  1. 65% - 69%
  2. 70% - 74%
  3. 75% - 79%
  4. 80% - 84%

Answer(s): A



What feature of dentin hybridization makes it useful for resin bonding?

  1. It occurs above the surface of dentin
  2. It adds filled resin to unfilled resin causing a hybrid of the two materials
  3. It does not affect the dentinal tubules
  4. It is stronger than smear layering bonding

Answer(s): C



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