558例多生牙临床特点的回顾性分析

doi:10.6040/j.issn.1671-7554.0.2015.1253

JOURNAL OF SHANDONG UNIVERSITY (HEALTH SCIENCES) ›› 2017, Vol. 55 ›› Issue (3): 121-124.doi: 10.6040/j.issn.1671-7554.0.2015.1253

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Supernumerary teeth of the jaw:a retrospective review of 558 cases

LIU Xianguang¹, ZHANG Jun^2,3, LI Chenglong¹, GAO Ping¹, LIU Duanqin¹, WANG Xuxia^1,3

1. Department of Oral and Maxillofacial Surgery, School of Stomatology, Shandong University;
2. Department of Orthodontics, School of Stomatology, Shandong University;
3. Shandong Provincial Key Laboratory of Oral Biomedicine, Jinan 250012, Shandong, China

Received:2015-12-09 Online:2017-03-10 Published:2017-03-10

Abstract

Abstract: Objective To provide reference for clinical diagnosis by analyzing the occurrence and clinical characteristics of supernumerary teeth. Methods Clinical and imaging data of 558 cases of supernumerary teeth were retrospectively analyzed, including patients age and gender, the location, number, morphology, impaction of the teeth, and the concomitant symptoms and effects on adjacent teeth. Results There were a total of 804 supernumerary teeth in the 588 patients, whose average age was 11.92 years. The ratio between male and female patients was 2.99∶1. There were 743 supernumerary teeth in the maxilla(92.14%), and 61 in the mandible(7.58%). Most supernumerary teeth(75.37%)grew in the lingual or palatal side of jaws. Most patients had one supernumerary tooth, and some had two. Altogether 627 supernumerary teeth(77.98%)were impaction, and 97(12.06%)were complicated with dentigerous cyst. Odontoma was observed in 9 patients(1.61%). Conclusion Supernumerary tooth mainly occurs in children in mixed dentition and anterior maxilla. Men are more vulnerable to this lesion than women. Most patients have one or two supernumerary teeth.

Key words: Dentigerous cyst, Odontoma, Supernumerary tooth, Retrospective analysis, Jaw

CLC Number:

R782

LIU Xianguang, ZHANG Jun, LI Chenglong, GAO Ping, LIU Duanqin, WANG Xuxia. Supernumerary teeth of the jaw:a retrospective review of 558 cases[J].JOURNAL OF SHANDONG UNIVERSITY (HEALTH SCIENCES), 2017, 55(3): 121-124.

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