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Related Experiment Videos

Amelogenesis imperfecta: local hypoplastic type with pulpal calcification.

G B Gertzman, G Gaston, I Quinn

    Journal of the American Dental Association (1939)
    |October 1, 1979
    PubMed
    Summary

    This case report details a patient with local hypoplastic amelogenesis imperfecta, characterized by missing canines and unerupted anterior teeth. The findings suggest an autosomal dominant inheritance pattern for this rare dental disorder.

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    Area of Science:

    • Dentistry
    • Human Genetics
    • Oral Pathology

    Background:

    • Amelogenesis imperfecta (AI) is a group of inherited disorders affecting tooth enamel formation.
    • Hypoplastic AI is characterized by localized or generalized defects in enamel matrix production.
    • Understanding the genetic basis and clinical manifestations of AI is crucial for diagnosis and management.

    Observation:

    • A case of local hypoplastic amelogenesis imperfecta is presented.
    • Clinical examination revealed developmentally absent canines and unerupted anterior maxillary teeth.
    • Radiographic analysis showed calcifications in the apical third of molar pulp chambers.

    Findings:

    • The patient exhibited a specific pattern of enamel hypoplasia affecting localized areas.

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  • Absence of permanent canines and impaction of anterior teeth were significant dental anomalies.
  • Pulp chamber calcifications in molars suggest secondary developmental changes associated with AI.

    • Implications:

    • This case highlights the diverse clinical presentations of amelogenesis imperfecta.
    • The observed family history supports an autosomal dominant mode of inheritance for this specific AI subtype.
    • Accurate diagnosis and genetic counseling are essential for affected individuals and families.