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Related Experiment Videos

Total mandibular alveolar osteotomy

J Rittersma

    Journal of Oral Surgery (American Dental Association : 1965)
    |November 1, 1981
    PubMed
    Summary
    This summary is machine-generated.

    Posterior mandibular alveolar osteotomy offers excellent stability for correcting jaw discrepancies. However, surgeons must carefully consider risks like inferior alveolar nerve damage and tooth pulp complications.

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    Area of Science:

    • Oral and Maxillofacial Surgery
    • Orthodontics
    • Skeletal Biology

    Background:

    • Vertical open bite, mandibular alveolar hypoplasia (short-face syndrome), and posterior arch discrepancies present complex orthodontic challenges.
    • Surgical intervention, such as mandibular alveolar osteotomy, is sometimes necessary to achieve optimal correction.
    • Assessing the stability and potential complications of these procedures is crucial for patient outcomes.

    Purpose of the Study:

    • To evaluate the long-term stability of total or posterior mandibular alveolar osteotomy.
    • To assess the incidence of complications, including inferior alveolar nerve damage and tooth pulp injury.
    • To determine the suitability of this surgical technique for specific dentofacial deformities.

    Main Methods:

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  • A retrospective analysis of 12 patients undergoing total or posterior mandibular alveolar osteotomy.
  • Procedures were performed for vertical open bite (2 cases), mandibular alveolar hypoplasia (7 cases), and posterior arch discrepancies (3 cases).
  • Follow-up periods ranged from 9 to 48 months to assess stability and complications.

    • Main Results:

    • The surgical technique demonstrated excellent long-term stability in most cases.
    • Permanent inferior alveolar nerve damage occurred in 25% of operated sides (5 out of 21).
    • Significant tooth pulp complications were observed, requiring two molar extractions and endodontic treatment or apicoectomy in ten cases.

    Conclusions:

    • Despite technical difficulties and notable risks to the inferior alveolar nerve and tooth pulps, mandibular alveolar osteotomy can be recommended for selected cases.
    • The procedure offers excellent stability and predictable results when applied judiciously.
    • Careful patient selection and surgical planning are essential to mitigate potential complications.