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Related Experiment Videos

Gemination and twinning in the permanent dentition.

P S Grover, L Lorton

    Oral Surgery, Oral Medicine, and Oral Pathology
    |March 1, 1985
    PubMed
    Summary

    Gemination and twinning are rare dental anomalies affecting tooth development. This study presents six cases and proposes a simplified classification for these hard tissue aberrations.

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    Area of Science:

    • Dentistry
    • Developmental Biology
    • Oral Pathology

    Background:

    • Gemination and twinning are uncommon developmental anomalies affecting hard dental tissues.
    • These conditions can manifest as anomalous or supernumerary teeth, impacting oral health and aesthetics.

    Observation:

    • Presents six clinical cases illustrating gemination and twinning.
    • Documents the varied presentations of these dental anomalies.

    Findings:

    • Gemination involves the incomplete division of a single tooth germ, resulting in a larger tooth.
    • Twinning results from the complete division of a single tooth germ, forming two separate teeth.
    • A simplified classification system for these anomalies is proposed.

    Implications:

    • Understanding these anomalies aids in accurate diagnosis and treatment planning.
    • The proposed classification may improve the categorization and study of dental developmental defects.
    • Highlights the importance of recognizing and managing rare dental anomalies.

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