Multiple complex odontomas and subsequent occurrence of an ossifying fibroma at the same site as the removed odontoma

Kou Matsuo, Noriaki Yamamoto, Yasuhiro Morimoto, Yoshihiro Yamashita, Min Zhang, Ayataka Ishikawa, Tatsurou Tanaka, Shinji Kito, Tetsu Takahashi

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

We report a rare case of multiple complex odontomas and the subsequent occurrence of an ossifying fibroma at the same site as one of the removed odontomas. A 3-year-old Japanese boy presented three complex odontomas at the unerupted deciduous first and second molars and permanent first molar on the left side of the mandible. The two odontomas at the deciduous teeth were immediately extirpated, and, after 2 years of follow-up, the odontoma at the unerupted permanent first molar was removed. At the age of 7 years, a small odontoma surrounding the deciduous second molar emerged as a recurrence. When the patient was 9 years old, an ossifying fibroma occurred near the apex of the first premolar, i.e., the site where one of the original odontomas existed. Furthermore, a small radiopaque mass over the crown of the unerupted permanent second molar was observed at the age of 10 years; this mass was probably an additional fourth complex odontoma. This is not only a rare case report of ossifying fibroma associated with multiple complex odontomas but also a valuable time course observation of the development of such odontogenic tumors.

Original languageEnglish
Pages (from-to)189-195
Number of pages7
JournalJournal of Dental Sciences
Volume8
Issue number2
DOIs
Publication statusPublished - 2013 Jun 1
Externally publishedYes

Keywords

  • multiple odontomas
  • odontogenic tumors
  • odontoma
  • ossifying fibroma

ASJC Scopus subject areas

  • Dentistry(all)

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