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Soft-tissue changes associated with surgical total maxillary intrusion

L J Radney, J D Jacobs

    American Journal of Orthodontics
    |August 1, 1981
    PubMed
    Summary

    Predicting soft-tissue profile changes after surgical maxillary intrusion is possible. This study analyzed head films to develop regression equations for forecasting outcomes in patients with vertical maxillary excess.

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    Area of Science:

    • Dentistry
    • Orthodontics
    • Surgical Procedures

    Background:

    • Vertical maxillary excess can negatively impact facial aesthetics and function.
    • Surgical maxillary intrusion is a procedure to correct vertical maxillary excess.
    • Understanding soft-tissue response is crucial for predictable surgical outcomes.

    Purpose of the Study:

    • To evaluate the soft-tissue profile changes following total surgical maxillary intrusion.
    • To develop predictive models for soft-tissue response to this surgical procedure.

    Main Methods:

    • Retrospective analysis of lateral head films from ten adult patients.
    • Preoperative and postoperative (≥6 months) comparison of hard and soft tissues.
    • Statistical analysis using simple and multiple correlations and regression functions.

    Main Results:

    • Soft-tissue profile changes associated with total surgical maxillary intrusion are predictable.
    • Developed simple and multiple regression equations to predict soft-tissue behavior.
    • Presented prediction tables for clinical application.

    Conclusions:

    • Soft-tissue profile alterations after surgical maxillary intrusion can be reliably predicted.
    • The developed regression models offer valuable tools for surgical planning.
    • This research aids in achieving more predictable aesthetic outcomes in orthognathic surgery.

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