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2017 Annual Session Conference

AS17B18C - Physiologic Anchorage Control: Mechanism and Clinical Application

Apr 23, 2017 10:45am ‐ Apr 23, 2017 11:15am


Upper molar tipping forward with growth has been verified by study data of several craniofacial growth centers in US, Canada and China. From anchorage control perspective, a tipback moment of 24 hours during whole treatment period is certainly beneficial to preventing this kind of physiologic anchorage loss. That expends anchorage control concept from dealing with reaction force of appliance to all source of forces including growth force, masticatory force etc. This lecture will introduce a new strategy of anchorage control and its clinical application.

Learning Objectives:

  • Define the mechanism of Physiologic Anchorage Loss.
  • Identify how to prevent Physiologic Anchorage Loss and its effects on whole anchorage control.
  • Distinguish the significance of Physiologic Anchorage Control on anchorage preservation.


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