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Related Experiment Videos

The overlapping bone flap genioplasty.

J F Tulasne

    Journal of Cranio-Maxillo-Facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery
    |August 1, 1987
    PubMed
    Summary
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    Overlapping bone flap genioplasty involves repositioning the lower jaw

    Area of Science:

    • Oral and Maxillofacial Surgery
    • Plastic Surgery
    • Orthodontics

    Background:

    • Genioplasty techniques aim to improve facial aesthetics and function.
    • The overlapping bone flap genioplasty is a specific surgical method for mandibular advancement.
    • Understanding bone resorption is crucial for predicting long-term outcomes.

    Purpose of the Study:

    • To evaluate the long-term results of overlapping bone flap genioplasty.
    • To quantify bone resorption in adults and adolescents following this procedure.
    • To compare the outcomes with standard sliding genioplasty.

    Main Methods:

    • Retrospective analysis of 29 adult and 17 adolescent patients.
    • Minimum follow-up period of 6 months post-surgery.

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  • Measurement of bone resorption at the genioplasty site.

    • Main Results:

    • Mean bone resorption was 24% in adults and 40% in adolescents.
    • Maximal bone resorption occurred between 3 and 6 months post-operation.
    • Soft-tissue-osseous advancement was approximately 75% in adults, comparable to standard genioplasty.

    Conclusions:

    • Overlapping bone flap genioplasty shows significant bone resorption, particularly in adolescents.
    • The resorption pattern is predictable, with stabilization after 6 months.
    • This technique offers comparable soft-tissue advancement to standard sliding genioplasty in adults.