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Related Experiment Videos

Bone-plates for stabilizing Le Fort I osteotomies.

G Persson, S Hellem, P G Nord

    Journal of Maxillofacial Surgery
    |April 1, 1986
    PubMed
    Summary

    Inferior repositioning of the maxilla using mini-plates showed early postoperative relapse in 20% of patients. This technique is considered advantageous over previous methods for jaw stabilization.

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    Area of Science:

    • Oral and Maxillofacial Surgery
    • Orthognathic Surgery
    • Biomaterials in Surgery

    Background:

    • Maxillary advancement surgery is a common procedure in orthognathic surgery.
    • Minimally invasive techniques aim to reduce morbidity and improve outcomes.
    • Stabilization methods for repositioned bone segments are crucial for surgical success.

    Purpose of the Study:

    • To evaluate the efficacy and stability of mini-plate fixation following inferior repositioning of the maxilla.
    • To assess the rate and pattern of relapse after this surgical technique.
    • To compare the mini-plate technique with previous methods for maxillary stabilization.

    Main Methods:

    • Retrospective cephalometric analysis of 16 adult patients undergoing inferior maxillary repositioning.
    • Stabilization achieved using miniaturized plates without interpositional bone grafts.
    • Osteotomy sites covered with cancellous iliac bone strips.

    Main Results:

    • Uncomplicated healing observed in all patients.
    • Mean anterior vertical relapse of approximately 20% occurred during the early postoperative period.
    • No correlation found between the extent of vertical repositioning and the degree of relapse.

    Conclusions:

    • Mini-plate fixation offers an advantageous alternative for stabilizing the repositioned maxilla.
    • Early postoperative relapse is a potential concern that requires monitoring.
    • Further research may explore factors influencing relapse in maxillary repositioning surgeries.

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