Mastering Dental Appliance Technology

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Questions and Answers

What is the purpose of posterior biteplanes?

  • To cover occlusal part of teeth
  • To promote supra eruption of lower teeth
  • To temporarily prop occlusion to allow teeth to move in all directions (correct)
  • To reduce overbite

What should be the characteristics of anterior biteplanes?

  • Reduce overbite
  • Promote supra eruption of lower teeth
  • Be rough and flat with all anterior teeth occluding (correct)
  • Produce 2-3 mm of molar separation

What is the purpose of acrylic added to posterior teeth?

  • To promote supra eruption of lower teeth
  • To temporarily prop occlusion to allow teeth to move in all directions
  • To reduce overbite by opening the bite anteriorly (correct)
  • To cover occlusal part of teeth

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Study Notes

  • Base plates connect and hold removable appliance components together.
  • Biteplanes cover occlusal part of teeth and aid in removing interferences and reducing overbite.
  • Biteplanes can be anterior or posterior.
  • Anterior biteplanes promote supra eruption of lower teeth and are used for growing patients with excessive anterior overbite.
  • Anterior biteplanes should be flat and rough, with all anterior teeth occluding.
  • Anterior biteplanes should produce 2-3 mm of molar separation.
  • Posterior biteplanes temporarily prop occlusion to allow teeth to move in all directions.
  • Posterior biteplanes have enough thickness to disengage anterior teeth.
  • Acrylic is added to posterior teeth to open the bite anteriorly.
  • Once the upper incisor is moved, the acrylic is removed.

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