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Mandibular basal osteotomy: new designs and fixation techniques.

Patricia E Lopez1, Cesar A Guerrero, Elena V Mujica

  • 1Department of Oral and Maxillofacial Surgery, Central University of Venezuela, Caracas, Venezuela. pattylopezmax@hotmail.com

Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons
|March 1, 2011
PubMed
Summary

Mandibular basal osteotomy offers predictable correction for the inferior mandibular border, showing excellent functional and cosmetic outcomes. This innovative technique reduces complications compared to traditional bone grafts and alloplastic methods.

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Area of Science:

  • Oral and Maxillofacial Surgery
  • Orthognathic Surgery
  • Reconstructive Surgery

Background:

  • Correction of the inferior mandibular border often involves complex procedures.
  • Traditional methods like bone grafts and alloplastic materials can have significant morbidity and complications.

Purpose of the Study:

  • To evaluate the functional and cosmetic outcomes of mandibular basal osteotomy.
  • To introduce new indications and fixation alternatives for this surgical technique.

Main Methods:

  • Ten patients (19-46 years) underwent orthognathic surgery with mandibular basal osteotomy.
  • An intraoral approach preserved soft tissues and the mental nerve.
  • Individual rigid fixation and 3D analysis were used for evaluation.

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Main Results:

  • All patients achieved excellent functional and cosmetic results.
  • Most patients (9/10) had inferior border advancement.
  • Other movements included lateral and posterior repositioning.

Conclusions:

  • Mandibular basal osteotomy is a predictable technique for inferior mandibular border deformities.
  • It offers decreased morbidity and complications compared to traditional methods.
  • This innovative approach provides effective correction for deficiency, excess, and asymmetry.