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Related Experiment Videos

Closing mandibular first molar spaces in adults.

C M Coelho Filho1, Fabio O Coelho, Larry W White

  • 1carlosm@elo.com.br

World Journal of Orthodontics
|March 22, 2006
PubMed
Summary

Orthodontic patients with missing mandibular molars can now close large spaces using a novel mandibular protraction appliance. This method avoids incisor retraction and eliminates the need for prosthetic replacements.

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Area of Science:

  • Orthodontics
  • Dental Mechanics

Background:

  • Managing large edentulous spaces in the mandible, particularly after missing first molars, presents a long-standing orthodontic challenge.
  • Previous space-closing techniques often yield compromised results or necessitate prosthetic solutions.

Observation:

  • The mandibular protraction appliance (MPA) is introduced as a novel approach for space closure.
  • This appliance facilitates the mesial movement of mandibular second molars.

Findings:

  • The MPA effectively closes large mandibular spaces by advancing the second molars.
  • Crucially, this method achieves space closure without causing undesirable retraction of the mandibular incisors.

Implications:

  • The mandibular protraction appliance offers a viable non-prosthetic solution for managing missing mandibular first molars.
  • This technique provides orthodontists with a method to achieve successful space closure, improving treatment outcomes for patients with significant mandibular gaps.

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