Dental management of unilateral multiple impacted primary teeth

Yuki Matsumi, Yuko Morikawa, Eri Yoshida, Setsuyo Morimoto, Sho Yoshida, Tatsushi Matsumura, Seiji Iida, Yukiko Takashima, Shuhei Naka, Michiyo Matsumoto-Nakano

Research output: Contribution to journalArticlepeer-review


Impacted primary teeth can be caused by odontogenic tumors such as odontomas, cystic diseases such as dentigerous and eruption cysts, and fibrous hyperplasia of the gingiva, while elimination of those causes reportedly results in normal eruption of primary teeth. We describe the course of a child from the age of 1 year until 4 years 10 months who had primary tooth eruption failure and was treated with dental methods. Although primary teeth expected to spontaneously erupt were followed, there were several on the left side that remained unerupted. We performed a left maxillary and mandibular gingivectomy to closely examine the cause of eruption delay and tooth germ dislocation, as well as attempt to induce eruption of the primary teeth. Based on histopathological results, the diagnosis was fibroma. Surgical procedures did not result in clear improvement of eruption failure. In order to improve masticatory function and aesthetics, the child was fixed with an artificial denture for all primary teeth not expected to erupt.

Original languageEnglish
Pages (from-to)119-124
Number of pages6
Journalpediatric dental journal
Issue number3
Publication statusPublished - Dec 2018


  • Dental
  • Impaction
  • Primary teeth

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Dentistry (miscellaneous)


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