Conditions inhibiting eruption of permanent first molars

Hidenobu Matsuzaki, Yoshinobu Yanagi, Naoki Katase, Hitoshi Nagatsuka, Marina Hara, Masakazu Ashida, Teruhisa Unetsubo, Akiko Sato, Mariko Fujita, Toshihiko Takenobu, Jun-Ichi Asaumi

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Purpose: The purpose of this study was to evaluate the radiological and histopathological findings of 11 patients with unerupted first molars to verify the factors obstructing spontaneous eruption. Methods: The patients' clinical, radiological, and histopathological data were evaluated retrospectively to determine histopathological diagnosis, radiographic findings, methods of surgical management, and postoperative course. Results: This study involved 4 male and 7 female patients (mean age=9.5 years old). Nine cases involved the mandible. The patients' histopathological diagnoses included 3 odontogenic tumors, 2 odontogenic cysts, and 6 hyperplastic dental follicles. Radiographically, 10 cases showed characterless enlargement of the follicular space, while only 1 displayed radiopaque bodies. One patient with a tumor underwent enucleation, and 1 with a cyst underwent cystectomy and tooth extraction. The others underwent wide excision or partial excision of the surrounding tissue at the top of the impacted tooth. Tumor relapse was observed in 3 cases. Conclusion: Surgeons should perform aggressive treatment for patients with unerupted teeth because spontaneous eruption is rare in cases involving non-neoplastic lesions such as hyperplastic dental follicles.

Original languageEnglish
Pages (from-to)67-70
Number of pages4
JournalPediatric Dentistry
Volume35
Issue number1
Publication statusPublished - Jan 2013

Fingerprint

Dental Sac
Unerupted Tooth
Impacted Tooth
Odontogenic Cysts
Odontogenic Tumors
Tooth Extraction
Cystectomy
Mandible
Cysts
Neoplasms
Recurrence
Therapeutics

Keywords

  • Impacted
  • Molar
  • Odontogenic cycts
  • Odontogenic tumors
  • Unerupted

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Conditions inhibiting eruption of permanent first molars. / Matsuzaki, Hidenobu; Yanagi, Yoshinobu; Katase, Naoki; Nagatsuka, Hitoshi; Hara, Marina; Ashida, Masakazu; Unetsubo, Teruhisa; Sato, Akiko; Fujita, Mariko; Takenobu, Toshihiko; Asaumi, Jun-Ichi.

In: Pediatric Dentistry, Vol. 35, No. 1, 01.2013, p. 67-70.

Research output: Contribution to journalArticle

Matsuzaki, H, Yanagi, Y, Katase, N, Nagatsuka, H, Hara, M, Ashida, M, Unetsubo, T, Sato, A, Fujita, M, Takenobu, T & Asaumi, J-I 2013, 'Conditions inhibiting eruption of permanent first molars', Pediatric Dentistry, vol. 35, no. 1, pp. 67-70.
Matsuzaki, Hidenobu ; Yanagi, Yoshinobu ; Katase, Naoki ; Nagatsuka, Hitoshi ; Hara, Marina ; Ashida, Masakazu ; Unetsubo, Teruhisa ; Sato, Akiko ; Fujita, Mariko ; Takenobu, Toshihiko ; Asaumi, Jun-Ichi. / Conditions inhibiting eruption of permanent first molars. In: Pediatric Dentistry. 2013 ; Vol. 35, No. 1. pp. 67-70.
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