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Related Experiment Videos

Single maxillary central incisors in the midline.

E Mass1, H Sarnat

  • 1Department of Pediatric Dentistry, Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv, Israel.

ASDC Journal of Dentistry for Children
|September 1, 1991
PubMed
Summary

A rare condition of a single maxillary central incisor, seen in both primary and permanent teeth, is discussed. Dental agenesis is the most likely cause of this unusual dental anomaly.

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Area of Science:

  • Dentistry
  • Oral and Maxillofacial Surgery
  • Pediatric Dentistry

Background:

  • A single central incisor in either the primary or permanent dentition is an uncommon occurrence.
  • Previous theories for this condition include fusion or conation, terms describing joined teeth.

Observation:

  • This study presents three cases of individuals with a single, morphologically normal maxillary central incisor in their permanent dentition.
  • Evidence suggests a history of single central incisors in the primary dentition for these cases.

Findings:

  • The observed cases of a single maxillary central incisor support agenesis as the primary etiologic factor.
  • This contrasts with earlier hypotheses of tooth fusion or duplication.

Implications:

  • Understanding the etiology of single central incisors is crucial for accurate diagnosis and treatment planning.
  • This finding aids in differentiating between agenesis and fusion/conation in dental anomalies.

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