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Dens evaginatus. Case report.

L H McAllan, P A Defteros

    Australian Dental Journal
    |April 1, 1989
    PubMed
    Summary

    Dens evaginatus is a rare dental anomaly affecting teeth, primarily in individuals of Mongoloid descent. This condition involves an extra enamel tubercle that can lead to pulp complications if worn down or fractured.

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    Area of Science:

    • Dentistry
    • Human Genetics
    • Developmental Biology

    Background:

    • Dens evaginatus is a rare developmental anomaly of teeth.
    • It is most commonly observed in individuals of Mongoloid origin.
    • The anomaly typically affects premolars but can also occur in molars, canines, and incisors.

    Observation:

    • The condition manifests as an enamel-covered dentine tubercle.
    • This tubercle contains an extension of the tooth's pulp tissue.
    • The tubercle's surface is prone to attrition or fracture.

    Findings:

    • Early wear or fracture of the dens evaginatus tubercle can expose the pulp.
    • Exposure of pulpal tissue can lead to pulp necrosis, especially in immature teeth.
    • This highlights a significant risk for dental complications associated with the anomaly.

    Implications:

    • Early diagnosis and management of dens evaginatus are crucial for preventing pulpal necrosis.
    • Protective measures, such as covering the tubercle, may be necessary.
    • Understanding this anomaly is important for dentists treating affected populations.

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