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Related Experiment Videos

Pressure-potential alopecia areata

R L Zuehlke, S Bishara, V Price

    American Journal of Orthodontics
    |April 1, 1981
    PubMed
    Summary
    This summary is machine-generated.

    Extraoral orthodontic appliances can cause alopecia areata (hair loss) due to pressure. Hair regrowth occurred within months after removing the appliance, indicating pressure-induced hair loss.

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    Area of Science:

    • Dermatology
    • Orthodontics

    Background:

    • Extraoral orthodontic appliances are used for dental correction.
    • Potential adverse effects require thorough investigation.

    Observation:

    • Two patients developed alopecia areata (hair loss) under the pressure points of their orthodontic headgear.
    • Hair loss onset occurred within 2-3 weeks of appliance use or increased pressure.

    Findings:

    • Alopecia areata was directly linked to local pressure from orthodontic appliances.
    • Hair regrowth was observed in both patients approximately 5 months after pressure relief.

    Implications:

    • This suggests that localized pressure from orthodontic devices can trigger or exacerbate alopecia areata.
    • Clinicians should consider pressure-induced alopecia areata in patients using extraoral appliances.