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http://dx.doi.org/10.4041/kjod.2009.39.2.120

Skeletal maturation evaluation using mandibular third molar development in adolescents  

Cho, Sun-Mi (Department of Orthodontics, College of Dentistry, Yonsei University)
Hwang, Chung-Ju (Department of Orthodontics, College of Dentistry, Oral Science Research Center, The Institute of Cranio-Facial Deformity, Yonsei University)
Publication Information
The korean journal of orthodontics / v.39, no.2, 2009 , pp. 120-129 More about this Journal
Abstract
Objective: To estimate dental maturity using the Demirjian Index for the mandibular third molar and investigate the relationships between dental maturity and skeletal maturity among growing children. Methods: The samples were derived from panoramic, lateral cephalometric and hand-wrist radiographs of 270 female subjects registered as patients at the orthodontic department, dental hospital, Yonsei University. Dental maturity [Demirjian Index (DI)] and skeletal maturity [skeletal maturation indicators (SMIs)] and cervical vertebrae maturation indicators (CVMIs)] were estimated from these radiographs. Results: There was a significant correlation (r = 0.64) between SMIs and DI, and a similar correlation (r = 0.59) was observed between CVMIs and DI (p < 0.001). If DI was above Stage E, then the SMI was above Stage 10 and the CVMI was above Stage 5. There was a weak correlation (r = 0.26) between age at menarche and DI (p < 0.001). There was no significant difference in DI among Class I, II or III malocclusions. Conclusions: Dental maturity evaluation using the mandibular third molar will be an adjunctive tool in combination with cervical vertebrae and hand-wrist maturity evaluations.
Keywords
Growth evaluation; Maturation; Growth prediction; Growth and development;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
Times Cited By Web Of Science : 3  (Related Records In Web of Science)
Times Cited By SCOPUS : 0
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