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2018 Annual Session Conference

Establishing Consonant Smile Arcs with Clear Aligner Therapy

‐ May 7, 2018 1:50pm

For the past 20 years, clear aligner therapy has become more popular in orthodontics. However, extrusion of anterior teeth to establish a consonant smile arc has been unpredictable at best. During this presentation, the force vectors associated with anterior extrusive movements will be resolved and a dependable, predictable extrusion attachment and staging protocol with clinical examples will be presented.

Learning Objectives:

  • Evaluate the force vectors on anterior teeth when using clear aligner therapy.
  • Discern the need for reciprocal attachments when attempting extrusion of anterior teeth.
  • Demonstrate clinical examples of attachment and staging protocols for predictable success.


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