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Related Experiment Videos

Premolar enucleation.

A H Ingram

    The Angle Orthodontist
    |July 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Enucleation of four first premolars can minimize crowding and simplify orthodontic treatment with minimal adverse effects on remaining teeth. This procedure offers advantages over conventional serial extraction, requiring less supervision and fewer surgical interventions.

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    Area of Science:

    • Dentistry
    • Orthodontics
    • Oral Surgery

    Background:

    • Dental crowding and arch-length deficiency are common malocclusions.
    • Conventional serial extraction is often employed to manage these conditions.
    • Enucleation, the removal of unerupted teeth, presents an alternative management strategy.

    Purpose of the Study:

    • To evaluate the efficacy and outcomes of simultaneous enucleation of four first premolars without mechanical space closure.
    • To assess the impact of this procedure on dental crowding, incisor position, and mandibular rotation.
    • To compare enucleation with conventional serial extraction methods.

    Main Methods:

    • A study involving 27 cases where four first premolars were enucleated simultaneously.
    • No mechanical devices were used to influence space closure post-procedure.

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  • Long-term follow-up assessed dental and skeletal changes.

    • Main Results:

    • Enucleation effectively minimized crowding in arch-length deficiency cases.
    • Good surgical technique resulted in no damage to adjacent teeth or alveolar bone.
    • An average of 4.1 degrees of mandibular incisor lingual tipping occurred over four years, considered favorable.
    • A significant counterclockwise mandibular rotation was observed compared to untreated samples.
    • Enucleation simplified appliance therapy and required less orthodontic supervision.

    Conclusions:

    • Simultaneous enucleation of four first premolars is a viable method to reduce malocclusion severity and simplify orthodontic treatment.
    • The procedure demonstrates favorable outcomes regarding incisor positioning and mandibular rotation.
    • Enucleation offers potential advantages over traditional serial extraction, including fewer surgical interventions and reduced need for extensive appliance therapy.