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2018 Annual Session Conference


Milo Hellman Award Lecture: Control of Orthodontic Tooth Movement by Polymer Microsphere Controlled Delivery of Osteoprotegerin in Sprague-Dawley Rats


May 6, 2018 2:55pm ‐ May 6, 2018 3:15pm

Description

Because orthodontic tooth movement is dependent upon osteoclast-mediated resorption of alveolar bone, biologic mediators that regulate osteoclasts can be utilized to control tooth movement. Our goal is to develop a novel method to locally enhance orthodontic anchorage, without significant systemic effects. We encapsulated recombinant osteoprotegerin (OPG) in polymer microspheres and tested the effectiveness of microsphere encapsulated vs. non-encapsulated OPG for enhancing orthodontic anchorage in a previously established rodent model of tooth movement.

Learning Objectives:

  • Show that pharmacological approach to control of orthodontic tooth movement has the potential to be an effective adjunct to conventional orthodontic methods of anchorage preservation.
  • Demonstrate the difference in local as well as systemic effects between the single and multiple dose of drug injections.
  • Comprehend the limitation of current findings and to explore possible future directions.

Speaker(s):

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