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Activator headgear therapy.

R I Levin

    American Journal of Orthodontics
    |February 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    Simultaneous use of an activator and cervical headgear effectively corrects Class II, Division 1 malocclusions within a year. This combined orthodontic approach offers enhanced results compared to individual appliance use, particularly for certain facial types.

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    Area of Science:

    • Orthodontics
    • Craniofacial Orthopedics

    Background:

    • Class II, Division 1 malocclusion presents significant treatment challenges.
    • Orthodontic treatment aims to correct dental and skeletal discrepancies.
    • Combined appliance therapy is explored to enhance treatment outcomes.

    Purpose of the Study:

    • To evaluate the efficacy of simultaneous activator and cervical headgear use for Class II, Division 1 malocclusion.
    • To assess dentitional and skeletal changes resulting from this combined technique.
    • To examine the hypothesis that combined appliances yield superior results.

    Main Methods:

    • Case series analysis of ten patients treated with activator and cervical headgear.
    • Assessment of changes in occlusion, overbite, and overjet.

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  • Evaluation of skeletal alterations in relation to facial type and growth rate.

    • Main Results:

    • Successful correction of Class II molar occlusion to Class I within approximately one year.
    • Significant reduction in overbite and overjet observed.
    • Skeletal changes were variable, influenced by facial morphology (brachyfacial/mesofacial favorable) and growth rate.

    Conclusions:

    • The simultaneous application of activator and cervical headgear is a viable treatment for Class II, Division 1 malocclusion.
    • Treatment outcomes are influenced by patient's facial type and mandibular growth.
    • Cervical traction may be contraindicated in dolichofacial types with slow mandibular growth; alternative mechanics are suggested.