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Related Experiment Videos

Mucogingival changes resulting from mandibular incisor tooth movement.

H S Dorfman

    American Journal of Orthodontics
    |September 1, 1978
    PubMed
    Summary

    Orthodontic tooth movement can impact gingival health. Specifically, lower incisor movement, especially with inadequate initial keratinized gingiva, may lead to mucogingival problems.

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    Area of Science:

    • Orthodontics
    • Periodontology
    • Cephalometric Analysis

    Background:

    • Mucogingival problems can arise in orthodontic patients.
    • The relationship between tooth movement and gingival width is not fully understood.

    Purpose of the Study:

    • To analyze changes in keratinized gingiva width during orthodontic treatment.
    • To correlate these changes with lower incisor movement.
    • To determine the incidence of mucogingival issues in relation to tooth movement.

    Main Methods:

    • Cephalometric analysis of 1,150 fully treated orthodontic cases.
    • Evaluation using Kodachrome slides, plaster casts, and cephalometric films.
    • Statistical correlation of tooth movement magnitude/direction with gingival width changes.

    Main Results:

    • A small percentage of patients exhibited mucogingival changes.
    • 1.3% showed decreased keratinized gingiva width with labial incisor movement.
    • 0.69% showed increased width with lingual incisor movement.

    Conclusions:

    • Mandibular incisor movement can significantly affect gingival health.
    • Initial inadequate keratinized gingiva (0-2 mm) is a critical factor.
    • Treatment planning must consider potential impacts on the mandibular anterior region's gingival health.

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