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Broad nasal bone reduction: an algorithm for osteotomies.

Ronald Gruber1, Te Ning Chang, David Kahn

  • 1Department of Plastic and Reconstructive Surgery, University of California, San Francisco, 3318 Elm Street, Oakland, CA 94609, USA. rgrubermd@hotmail.com

Plastic and Reconstructive Surgery
|February 22, 2007
PubMed
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A medial oblique osteotomy, when placed laterally, effectively reduces nasal dorsal width. This study proposes a classification for broad nasal bones to guide surgical osteotomy selection.

Area of Science:

  • Plastic Surgery
  • Rhinoplasty Techniques
  • Facial Anatomy

Background:

  • Inadequate reduction of nasal dorsal width is a common challenge in nasal bone osteotomies.
  • Current algorithms for selecting osteotomy techniques are not fully established.

Purpose of the Study:

  • To evaluate the efficacy of medial oblique osteotomies in reducing nasal dorsal width.
  • To propose a classification system for broad nasal bones to guide surgical decisions.

Main Methods:

  • Cadaveric study comparing medial oblique osteotomies placed medially versus laterally to the apex of the open roof after humpectomy.
  • Clinical analysis of 53 patients classified into three types based on nasal base and dorsal width, correlating with osteotomy techniques used.

Main Results:

Related Experiment Videos

  • Placing the osteotome laterally to the apex resulted in significantly greater reduction in hemidorsal width (p < 0.008).
  • This enhanced reduction is attributed to the slippage of the lateral nasal bone.
  • Satisfactory nasal bone width was achieved in most patients post-operatively (15-32 months).

Conclusions:

  • A medial oblique osteotomy alone, positioned laterally at the apex, effectively reduces nasal dorsal width.
  • A new classification for broad nasal bones distinguishes between dorsal and base width, aiding in the selection of appropriate osteotomy procedures.