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J Korean Acad Pediatr Dent. 2008;35(2): 243-258.
Dong-Gyun Kang Dong-Gyun Kang, Tae-Wan Kim, Tae-Wan Kim,, Young-Jin Kim Young-Jin Kim, Soon-Hyeun Nam Soon-Hyeun Nam, Hyun-Jung Kim Hyun-Jung Kim
Department of Pediatric Dentistry, College of Dentistry, Kyungpook National University
Corresponding Author: Hyun-Jung Kim Hyun-Jung Kim ,Tel: 053-420-5961, Email: jungkim@mail.knu.ac.kr
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The purpose of this study was to investigate the relationship between the stages of calcification of various teeth and skeletal maturity stages among Korean individuals. The study subjects consisted 154 female and 179 male ranging from 7 years to 16 years of age. A total of 333 hand-wrist, cephalo-lateral and panoramic radiographs were obtained and analyzed. The tooth development of the mandibular canines, first, second premolars, and second molars were assessed according to the Dermijian's system. Skeletal maturity stages were determined from hand-wrist radiographs by using the SMI system and cephalo-lateral radiographs by using the CVMS, respectively. The results were as follows. 1. The mean ages of each stage of skeletal maturity were consistently younger in female subjects. 2. There was a high correlation between skeletal maturity of hand-wrist and cervical vertebrae in the both sexes. 3. There was a high correlation between skeletal maturity and dental calcification stage of mandibular canines, first premolar, second premolars, and second molar. 4. The mandibular second molar was tooth showing the highest correlation. 5. Percent distributions of the relationship between calcification stages of individual teeth and stages of skeletal maturity were obtained in both sexes. In summary, this suggests that tooth calcification stages from panoramic radiographs might be clinically useful as a maturity indicator of the pubertal growth period.
Keywords: Pubertal growth | Dental calcification stage | Skeletal maturity of hand-wrist | Skeletal maturity of cervical vertebrae
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