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Vertical symphyseal osteotomy

T Nagase1, M Kurakata, Y Komuro

  • 1Department of Plastic and Reconstructive Surgery, Tokyo Metropolitan Police Hospital, Japan.

The Journal of Craniofacial Surgery
|October 22, 1998
PubMed
Summary
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Vertical symphyseal osteotomy effectively treated mild crossbite by reducing mandibular arch size. This surgical approach improved bimaxillary proportions without temporomandibular joint issues, though orthodontics were crucial post-surgery.

Area of Science:

  • Oral and Maxillofacial Surgery
  • Orthodontics
  • Craniofacial Surgery

Background:

  • Mild crossbite with increased bigonial distance presents a challenge in achieving optimal facial aesthetics and function.
  • Surgical correction may be indicated for specific cases, particularly those with cleft lip deformities or for orthodontic/aesthetic enhancement.

Observation:

  • A vertical symphyseal osteotomy technique was employed on six patients over three years.
  • The procedure involved mandibular exposure, premolar extraction, and two vertical osteotomies, with the central bone segment discarded.
  • Bilateral mandibular segments were stabilized using titanium miniplates.

Findings:

  • The surgical intervention resulted in a reduction of the mandibular arch size.
  • This led to improved three-dimensional proportions within the bimaxillary region.

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  • No temporomandibular joint complications were reported in any of the patients.

    • Implications:

    • Vertical symphyseal osteotomy is a viable surgical option for correcting mild crossbite with increased bigonial distance.
    • The procedure can enhance facial aesthetics and bimaxillary harmony.
    • Close collaboration with orthodontics is essential for successful outcomes and long-term stability.