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Related Experiment Videos

Multiple supernumerary premolars: their occurrence in three patients

N M King1, A M Lee, P K Wan

  • 1Department of Children's Dentistry, University of Hong Kong.

Australian Dental Journal
|February 1, 1993
PubMed
Summary

Supernumerary teeth, often resembling premolars, can occur in the premolar region. Some of these supplemental teeth may erupt into the dental arch later in life.

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Area of Science:

  • Dentistry
  • Oral pathology

Background:

  • Supernumerary teeth are defined as teeth in excess of the normal dental formula.
  • Their occurrence, particularly in the premolar region, is relatively uncommon and can lead to various dental complications.

Observation:

  • This study reports on three patients exhibiting supernumerary teeth in the premolar regions.
  • A total of 20 supernumerary teeth were identified, with 16 displaying premolar-like crowns (supplemental premolars) and the rest being conical.

Findings:

  • Delayed development of these supernumerary premolars supports the theory of a post-permanent dentition.
  • Eruption of some supernumerary teeth into the dental arch was observed, even in a 30-year-old patient.

Implications:

  • Understanding the developmental patterns of supernumerary teeth is crucial for accurate diagnosis and treatment planning.
  • The potential for eruption suggests a need for monitoring and management strategies in affected individuals.

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