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Related Experiment Videos

Extraction treatment using Invisalign Technique.

Aldo Giancotti1, Mario Greco, Gianluca Mampieri

  • 1Department of Orthodontics Fatebenefratelli Hospital, University of Rome "Tor Vergata", Rome, Italy. giancott@uniroma2.it

Progress in Orthodontics
|March 23, 2006
PubMed
Summary
This summary is machine-generated.

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Invisalign effectively aligned teeth in a severe Class II malocclusion case but required a fixed appliance for proper root positioning. This highlights limitations in achieving ideal root control with clear aligners alone.

Area of Science:

  • Orthodontics
  • Dentistry
  • Biomaterials

Background:

  • The Invisalign system offers a less visible alternative to traditional braces.
  • Increasingly used for complex orthodontic cases and adult patients.
  • Class II malocclusion with severe crowding presents significant treatment challenges.

Observation:

  • This study details the Invisalign treatment of a Class II malocclusion with severe upper and lower arch crowding.
  • Treatment involved extraction of the upper first premolars.
  • The alignment phase was completed successfully using Invisalign aligners.

Findings:

  • While dental alignment was achieved, space closure resulted in undesirable crown tipping.
  • Correct root inclination was not attained with clear aligners alone.

Related Experiment Videos

  • A subsequent phase with fixed appliances became necessary to correct root positioning.

    • Implications:

    • Clear aligner therapy, like Invisalign, may have limitations in achieving precise root control for complex cases.
    • Combined treatment approaches might be necessary for optimal orthodontic outcomes.
    • Further research into root movement mechanics with aligner systems is warranted.