Supernumerary teeth: review of the literature and a survey of 152 cases

International Journal of Paediatric Dentistry - Tập 12 Số 4 - Trang 244-254 - 2002
Lamis D. Rajab1, M. A. M. Hamdan1
1The University of Jordan, Faculty of Dentistry, Department of Paediatric Dentistry, Amman, Jordan

Tóm tắt

Summary. Introduction. A review of the literature relating to supernumerary teeth is presented along with a survey of 152 cases.Methods. The study population consisted of 152 children who visited the department of Paediatric Dentistry at the Jordan University Hospital. Patients ranged in age from 5 to 15 years. Supernumeraries were detected by clinical examination and radiographs.Results. Males were affected more than females with a sex ratio of 2·2 : 1. Seventy‐seven percent of the patients had one supernumerary tooth, 18·4% had double teeth, and 4·6% had three or more supernumeraries. Ninety percent of the supernumerary teeth occurred in the premaxilla, of which 92·8% were in the central incisor region and of these latter 25% were located in the midline. The other 10·4% of the supernumeraries were located in the premolar, canine, molar, and lower central incisor regions. Two cases were of non‐syndrome supernumerary teeth. Seventy‐five percent of the supernumeraries were conical, 83·1% were in the normal vertical position and 26·5% were erupted. Conical‐shaped supernumerary teeth had a significantly higher rate of eruption compared to the tuberculate type.

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Thông tin xuất bản

International Journal of Paediatric Dentistry

Tập 12 Số 4

244-254

Thông tin tác giả