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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

Summary

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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.

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.

Related Experiment Videos

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.