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Test Prep AACD Exam
American Academy of Cosmetic Dentistry (Page 2 )

Updated On: 30-Jan-2026
Page 2 of 31
PDF with 149 Questions

Why do self etch bonding systems tend to have less post operative sensitivity?

  1. Self etch bonding does not remove the smear layer but modifies it, leaving the smear plugs intact
  2. Self etch products remove & replace the smear layer
  3. Self etch bonding removes collagen fibrils and replaces them with resin plugs
  4. Self etch systems etch and bond simultaneously

Answer(s): A



Which of the following may adversely affect bond strengths and result in increased microleakage?

  1. Isolation with a contour strip without rubber dam
  2. Rinsing etchant from the enamel surface for two to five seconds
  3. Vital bleaching of teeth a few days before bonding
  4. Agitation of the etchant when applying to enamel

Answer(s): C



Etching the inner surfaces is favorable for all pressed restorations since this process increases the bond strength between the:

  1. porcelain material and the resin cement.
  2. silane material and the resin cement.
  3. porcelain material and the tooth enamel.
  4. porcelain material, tooth enamel, and dentin.

Answer(s): C



How can the undesirable effects of polymerization shrinkage be managed?

  1. By applying liners and bases in deep cavity preparations
  2. By increasing light intensity from the curing light
  3. By reducing the number of increments of composites
  4. By using composites with a lower percentage of inorganic filler

Answer(s): C



The BEST way to increase fracture resistance in an endodontically treated tooth is to utilize:

  1. dentinal bonding and a carbon fiber post.
  2. the smallest diameter stainless steel post available.
  3. a custom-made zirconia post.
  4. the ferrule length of at least 2.0 mm.

Answer(s): D



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