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American Academy of Cosmetic Dentistry Questions 51–55 (page: 12)

Updated On: 9-Feb-2026

During proper articulation of the "S" sound, which of the following BEST describes the relationship of the incisal edges of the maxillary and mandibular incisors for the majority of patients?

  1. Maxillary and mandibular incisors lightly touch each other
  2. Maxillary and mandibular incisors closely approximate each other
  3. Incisal edges lightly rest on the superior and anterior borders of the tongue
  4. Incisal edges may be in a variety of relationships depending on the individual

Answer(s): B



Which of the following USUALLY characterizes a patient who has a short adult ramus with normal posterior tooth development?

  1. An excess display of mandibular incisors
  2. Decreased anterior facial height
  3. An anterior open bite
  4. Minimum display of maxillary gingiva

Answer(s): C



Which of the following can aid in reliably achieving centric relation?

  1. Stereographic tracing
  2. Posterior retruded positioning
  3. Bilateral manipulation
  4. Trisected angle gnathologic recording

Answer(s): C



As the angle of the eminentia increases, the:

  1. Lingual concavity of a maxillary anterior restoration should increase.
  2. Lingual concavity of a maxillary anterior restoration should remain the same.
  3. Cusp length of a posterior restoration may increase.
  4. Cusp length of a posterior restoration should remain the same.

Answer(s): C



The "white line" which shows up occasionally when finishing a composite restoration between the restoration and tooth structure is caused by what?

  1. The inherent optical properties of composite which naturally create a halo effect around the margin
  2. Overheating the composite during the finishing process
  3. Polymerization shrinkage, which tears the composite at the margin with the tooth
  4. Uncured resin that turns white in color during polishing

Answer(s): C



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