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Related Experiment Videos

Angle-splitting ostectomy for reducing the width of the lower face

M Deguchi1, Y Iio, K Kobayashi

  • 1Osaka Shirakabe Institute, Japan.

Plastic and Reconstructive Surgery
|June 1, 1997
PubMed
Summary

Mandibular contouring surgery can narrow a broad face. Angle-splitting ostectomy is an effective technique for reducing lower facial width and creating natural results, with no reported complications.

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Area of Science:

  • Plastic Surgery
  • Oral and Maxillofacial Surgery
  • Facial Aesthetics

Background:

  • Patients with broad or squarish faces often seek surgical reduction of lower facial width.
  • Conventional angle ostectomy can correct prominent mandibular angles, but often requires additional resection of the mandibular body for widened appearances.

Purpose of the Study:

  • To evaluate the efficacy of angle-splitting ostectomy for mandibular contouring compared to previous techniques.
  • To assess the aesthetic outcomes and complication rates of angle-splitting ostectomy in patients seeking lower facial width reduction.

Main Methods:

  • Retrospective study of 76 patients (67 female, 9 male) undergoing mandibular contouring over 5 years.
  • Comparison of initial technique (lateral cortex shaving and multistaged curved cuts) with subsequent angle-splitting ostectomy.

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  • Analysis of operative difficulty, aesthetic results, and complications.

    • Main Results:

    • The initial technique was technically demanding, time-consuming, and sometimes failed to achieve desired width reduction or natural mandibular angle aesthetics.
    • Angle-splitting ostectomy efficiently reduced lower facial width and produced natural mandibular angle relief.
    • No complications such as hematoma, infection, or asymmetry were observed with angle-splitting ostectomy.

    Conclusions:

    • Angle-splitting ostectomy is a superior technique for mandibular contouring to reduce lower facial width, offering efficient results and natural aesthetics.
    • Precise anatomical knowledge, accurate diagnosis, and operative planning are crucial for successful angle-splitting ostectomy.
    • The procedure provides significant aesthetic benefits, even in cases of facial asymmetry.