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2019 Annual Session Conference

Simultaneous Phase I Expansion and Ectopic Molar Correction with a Hyrax-Halterman Appliance

May 6, 2019 9:50am ‐ May 6, 2019 10:10am


Correction of ectopic molars can be further complicated by transverse arch constriction. In this presentation we will show the design and application of an innovative fusion of appliances to help re-direct the eruption trajectory of ectopic molars while simultaneously addressing constriction of the palate.

Learning Objectives:

  • Recognize cases appropriate for application of the Hyrax-Halterman appliance.
  • Design and fabricate a Hyrax-Halterman Appliance.
  • Demonstrate insertion and activation of the Hyrax-Halterman appliance.


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