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American Academy of Cosmetic Dentistry Questions 41–45 (page: 10)

Updated On: 9-Feb-2026

On average, the distance from the base of the gingival sulcus to the alveolar bone is:

  1. 2.0 mm.
  2. 3.0 mm.
  3. 4.0 mm.
  4. 5.0 mm.

Answer(s): A



The avoidance of open cervical embrasures can BEST be achieved by placing the interproximal contact points relative to the interproximal:

  1. margins
  2. bone
  3. papilla height
  4. sulcus base

Answer(s): B



What does platform switching describe?

  1. A reduced offset of the diameter of the abutment to the diameter of the implant
  2. An increased offset of the diameter of the abutment to the diameter of the implant
  3. The contours of the final crown over the implant
  4. The bone level of the adjacent teeth

Answer(s): D



Which type of restoration will increase its micromechanical retention after etching with hydrofluoric acid?

  1. Press-on metal
  2. Alumina-procera
  3. Lithium disilicate glass
  4. Zirconia dioxide

Answer(s): C



Most occlusal splints have one primary function; what is it?

  1. To alter an occlusion so it does not interfere with complete seating of the condyles in centric relation
  2. To increase the vertical dimension, taking all the loading forces off the TMJs and transferring the load to the teeth
  3. To relieve symptoms of orofacial pain since direct occlusal equilibrium does not have the same potential for the relief of symptoms
  4. To avoid having to remove any tooth structure by equilibrating the teeth to perfect the occlusion

Answer(s): A



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