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Skeletal maturation evaluation using mandibular third molar development in adolescents

Other Titles
 하악 제3대구치의 성숙도를 이용한 성장 평가 
Authors
 Sun-Mi Cho  ;  Chung-Ju Hwang 
Citation
 KOREAN JOURNAL OF ORTHODONTICS, Vol.39(2) : 120-129, 2009 
Journal Title
KOREAN JOURNAL OF ORTHODONTICS(대한치과교정학회지)
ISSN
 2234-7518 
Issue Date
2009
Keywords
Growth evaluation ; Maturation ; Growth prediction ; Growth and development
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.
Files in This Item:
T200901435.pdf Download
DOI
10.4041/kjod.2009.39.2.120
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Orthodontics (교정과학교실) > 1. Journal Papers
Yonsei Authors
Hwang, Chung Ju(황충주) ORCID logo https://orcid.org/0000-0003-3024-4551
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/103938
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