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Long-term results with the visor-osteotomy.

F Härle

    International Journal of Oral Surgery
    |January 1, 1981
    PubMed
    Summary
    This summary is machine-generated.

    The visor-osteotomy procedure augments the mandibular alveolar ridge height, improving denture support. Long-term results show gradual resorption, comparable to other techniques.

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    Area of Science:

    • Oral and Maxillofacial Surgery
    • Dental Implantology
    • Reconstructive Surgery

    Background:

    • Augmenting the mandibular alveolar ridge is crucial for denture stability.
    • Traditional methods like bone grafting carry risks and complications.
    • The visor principle offers an alternative for ridge augmentation.

    Purpose of the Study:

    • To evaluate the long-term effectiveness and outcomes of the visor-osteotomy technique for mandibular alveolar ridge augmentation.
    • To assess the degree of ridge resorption following the procedure over a five-year period.
    • To compare the results with those of simple vestibuloplasty.

    Main Methods:

    • A visor-osteotomy was performed on the mandible, repositioning the alveolar ridge segment.
    • The repositioned segment was stabilized using wires.

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  • The procedure was combined with vestibuloplasty and floor of mouth lowering.
  • Ten patients were followed for five years post-operatively.

    • Main Results:

    • Significant improvement in the denture-bearing area was observed.
    • Alveolar ridge resorption occurred progressively: 18% in year 1, 10% in year 2, 8% in year 3, and 3% in years 4-5.
    • The observed resorption was comparable to that seen after simple vestibuloplasty.
    • Mandibular resorption was physiological four years after augmentation.

    Conclusions:

    • Visor-osteotomy is an effective method for mandibular alveolar ridge augmentation, enhancing the denture-bearing area without bone grafting.
    • The technique leads to predictable, gradual resorption over time.
    • The resorption rates are comparable to conventional vestibuloplasty, making it a viable surgical option.