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J Korean Acad Pediatr Dent. 2007;34(4): 646-650.
THE INCIDENCE OF MESIODENS
Jong-Bin Kim1, Jong-Soo Kim2, Ji-Eun Park2
1Kizwell Dental Network,
2Dept. of Pediatric Dentistry, School of Dentistry, Dankook University
Corresponding Author: Jong-Soo Kim ,Tel: +82-41-550-1935, Fax: +82-41-555-2329, Email: jskim@dku.edu
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ABSTRACT
The purpose of this study was to evaluate the prevalence of mesiodens at pediatric dental clinic in Anyang, Kyeong Gi-Do. From retrospective reviews of all patients who visited Kizwell pediatric dental clinic from 2003.4-2006.4, 241 patients (289 mesiodens) who were shown to have mesiodentes were examed by a periapical radiograph and a panoramic radiograph. The incidence of mesiodens was 3.42% and the ratio of male/female (184/57) was 3.2:1. The number of supernumerary teeth was one in 193 cases (80%), two in 48 cases (20%). The mesiodens was placed at left side more frequently and the most common shape was conical type (208, 78%). Of 289 mesiodens, the direction of the crown of the mesiodens was inverted in 156 (54%), in a normal direction in 104 (36%), in a horizontal direction with regard to the tooth axis in 29 (10%). Early diagnosis of the mesiodens allow the most appropriate treatment, often reducing the extent of surgery, orthodontic treatment and possible complications.
Keywords: Mesiodens | Impaction
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