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Related Experiment Videos

Extraction of four second molars.

G W Quinn

    The Angle Orthodontist
    |January 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    Removing second permanent molars can be an effective alternative to bicuspid extraction. In many cases, third molars can successfully erupt into the correct position after second molar removal.

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    Area of Science:

    • Dentistry
    • Orthodontics
    • Oral Surgery

    Background:

    • Bicuspid extraction is a common orthodontic treatment.
    • Third molars (wisdom teeth) have potential functional value.
    • Predicting third molar eruption can be challenging.

    Purpose of the Study:

    • To evaluate the efficacy of second permanent molar extraction as an alternative to bicuspid extraction.
    • To assess the eruption and positioning of third molars following second molar removal.

    Main Methods:

    • Analysis of clinical cases recommending second permanent molar extraction.
    • Evaluation of third molar eruption patterns and positions.
    • Utilized various measurement methods for developing mandibular third molars.

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    Main Results:

    • Second molar extraction is effective in cases typically indicated for bicuspid extraction.
    • Over 75% of third molars successfully positioned adjacent to first molars post-extraction.
    • Accurate prediction of upright mandibular third molar eruption remains difficult.
    • Maxillary third molars generally erupt without complications; mandibular third molars may require repositioning.

    Conclusions:

    • Second permanent molar extraction is a viable orthodontic option.
    • Third molars can serve functional roles when properly positioned after second molar removal.
    • Careful diagnosis and case selection are crucial for successful outcomes.