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Related Experiment Videos

Total maxillary advancement with and without bone grafting.

A Araujo, S A Schendel, L M Wolford

    Journal of Oral Surgery (American Dental Association : 1965)
    |November 1, 1978
    PubMed
    Summary

    Bone grafting after maxillary advancement surgery provides optimal stability. However, minimal advancements (less than 0.5 mm) in patients with maxillary deficiency may lead to overcorrection, negating the need for bone grafts.

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    Area of Science:

    • Oral and Maxillofacial Surgery
    • Orthodontics
    • Plastic Surgery

    Background:

    • Maxillary advancement is a surgical procedure to correct midface hypoplasia.
    • Bone grafting is sometimes used to enhance stability after maxillary advancement.

    Purpose of the Study:

    • To evaluate the stability of maxillary advancement with and without bone grafting.
    • To compare outcomes in patients with idiopathic maxillary deficiency versus cleft lip and palate.

    Main Methods:

    • Computer morphometrics analyzed 21 adult patients undergoing total maxillary advancement.
    • Patients were divided into groups based on the presence (n=10) or absence (n=11) of bone grafting.
    • Subclassification included idiopathic maxillary deficiency and cleft lip and palate diagnoses.

    Main Results:

    • Patients who received bone grafts demonstrated optimal stability.
    • Minimal advancements (<0.5 mm) in maxillary deficiency cases resulted in overcorrection.
    • Overcorrection in minimal advancement cases achieved good stability without bone grafts.

    Conclusions:

    • Bone grafting ensures optimal stability in total maxillary advancement.
    • Minimal maxillary advancements in deficient patients may not require bone grafting due to potential overcorrection.
    • Surgical technique and degree of advancement influence the need for bone grafts for stability.

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