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Related Experiment Videos

[The extraction of a completely impacted upper second deciduous molar: case report].

K Sinoguchi1, Y Saga, H Ogichi

  • 1Department of Pediatric Dentistry, School of Dentistry, Hokkaido University.

Shoni Shikagaku Zasshi. the Japanese Journal of Pedodontics
|January 1, 1991
PubMed
Summary

A supernumerary tooth prevented a child's molar from erupting, causing developmental issues. Histopathological examination confirmed the extra tooth, which was successfully removed.

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Area of Science:

  • Dentistry
  • Oral Surgery
  • Pediatric Dentistry

Background:

  • Deciduous tooth eruption is crucial for proper dental development.
  • Ectopic eruption and impaction can lead to complications.
  • Understanding tooth development pathways is essential for diagnosing anomalies.

Observation:

  • A 7-year-old boy presented with a non-erupted upper left second deciduous molar.
  • Radiographs revealed the unerupted molar near the first molar's apex, with inversion of the molar and premolar.
  • A supernumerary tooth was identified adjacent to the developing premolar.

Findings:

  • Histopathological analysis of the extracted tooth confirmed it was a supernumerary tooth.
  • The supernumerary tooth was determined to be the cause of the impacted deciduous molar and adjacent premolar.

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  • Post-extraction radiographs indicated normal development of the succedaneous premolar.

    • Implications:

    • Supernumerary teeth can significantly disrupt normal tooth eruption and development.
    • Early diagnosis and intervention are critical for managing dental impactions.
    • This case highlights the importance of radiographic evaluation in pediatric dental care.