학술논문
Quantitative evaluation of midpalatal suture maturation via fractal analysis
이용수 7
- 영문명
- 발행기관
- 대한치과교정학회
- 저자명
- Kyoung Ho Kwak Seong Sik Kim Yong-Il Kim Yong-Deok Kim
- 간행물 정보
- 『The Korean Journal of Orthodontics』제46권 제5호, 323~330쪽, 전체 8쪽
- 주제분류
- 의약학 > 기타의약학
- 파일형태
- 발행일자
- 2016.09.30
무료
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국문 초록
영문 초록
Objective: The purpose of this study was to determine whether the results of fractal analysis can be used as criteria for midpalatal suture maturation evaluation. Methods: The study included 131 subjects aged over 18 years of age (range 18.1–53.4 years) who underwent cone-beam computed tomography. Skeletonized images of the midpalatal suture were obtained via image processing software and used to calculate fractal dimensions. Correlations between maturation stage and fractal dimensions were calculated using Spearman’s correlation coefficient. Optimal fractal dimension cut-off values were determined using a receiver operating characteristic curve. Results: The distribution of maturation stages of the midpalatal suture according to the cervical vertebrae maturation index was highly variable, and there was a strong negative correlation between maturation stage and fractal dimension (−0.623, p < 0.001). Fractal dimension was a statistically significant indicator of dichotomous results with regard to maturation stage (area under curve = 0.794, p < 0.001). A test in which fractal dimension was used to predict the resulting variable that splits maturation stages into ABC and D or E yielded an optimal fractal dimension cut-off value of 1.0235. Conclusions: There was a strong negative correlation between fractal dimension and midpalatal suture maturation. Fractal analysis is an objective quantitative method, and therefore we suggest that it may be useful for the evaluation of midpalatal suture maturation.[Korean J Orthod 2016;46(5):323-330]
목차
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