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Related Experiment Videos

Class II, division 2 malocclusion. To extract--or not extract?

R A Litt, I L Nielsen

    The Angle Orthodontist
    |April 1, 1984
    PubMed
    Summary

    This study compares two orthodontic treatments for Class II, division 2 malocclusions in identical twins. One twin received full braces, while the other had bicuspid extractions, to evaluate treatment outcomes.

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    Area of Science:

    • Orthodontics and Dentofacial Orthopedics
    • Twin Study Research

    Background:

    • Class II, division 2 malocclusion presents unique treatment challenges.
    • Orthodontic treatment planning requires careful consideration of individual patient factors.

    Observation:

    • Identical 13-year-old twin boys with similar Class II, division 2 malocclusions were selected for simultaneous treatment.
    • One twin underwent orthodontic treatment with a full complement of teeth.
    • The other twin received orthodontic treatment involving the extraction of first bicuspids.

    Findings:

    • Comparative analysis of treatment outcomes between the two approaches.
    • Evaluation of treatment efficiency and effectiveness in correcting the malocclusion.
    • Assessment of potential differences in stability and aesthetics.

    Implications:

    • Provides insights into the management of severe deep bite malocclusions.
    • Highlights the role of extraction versus non-extraction in Class II, division 2 cases.
    • Informs clinical decision-making for orthodontists treating similar patient profiles.

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