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J Korean Acad Pediatr Dent. 2013;40(4): 296-305.
The Prevalence of Malocclusion and Related Self-Esteem of Adolescents in Yangsan
Hyunjung Ryu, Hyungjun Kim, Taesung Jeong, Jiyeon Kim, Shin Kim
Department of Pediatric Dentistry, School of Dentistry, Pusan National University
Corresponding Author: Shin Kim ,Tel: +82-55-360-5180, Fax: +82-55-360-5174, Email: shinkim@pusan.ac.kr
Received: October 18, 2013;  Accepted: November 8, 2013.
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For the purpose of evaluating the prevalence of malocclusion and self-esteem in adolescents, 1,380 middle-school students in the Yangsan area were surveyed by oral examination and questionnaires and the obtained results were as follows: The distribution of 1st molar occlusion by Angle's classification was 69.0, 19.4, 10.6% for Class I, II and III respectively. In the horizontal relationship, the prevalence of normal overjet and crossbite was 86.9% and 5.6% respectively whereas larger and extremely larger overjet was found in 6.6% and 0.8%. In the vertical relationship of anterior teeth, normal, deep overbite and openbite was shown in 94.1%, 4.7%, and 1.2%. For the midline discrepancy, the distribution of groups with 0~1 mm, 2~4 mm and over 5 mm was 98.2%, 1.4%, and 0.4%. Crowding only in the maxilla was found in 9.6%, while that only in the mandible and in both arches was 14.1% and 24.1% respectively. Spacing only in the maxilla was seen in 3.0%, while that only in the mandible and in both arches was 2.4% and 1.7% respectively. Significant difference in self-esteem was revealed in female and malocclusion groups of crossbite and openbite(p < 0.05).
Keywords: Adolescent | Prevalence of malocclusion | Self-esteem
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