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Comparison of Dental Age and Skeletal Maturity in Korean Children with Skeletal Malocclusion

한국 어린이의 골격적 부정교합에 따른 골 성숙도와 치아의 성숙도 비교

  • Kim, Jeeyoun (Department of Pedodontics, Hallym University Sacred Heart Hospital) ;
  • Oh, Sohee (Department of Pedodontics, Hallym University Sacred Heart Hospital)
  • 김지연 (한림대학교 성심병원 소아치과) ;
  • 오소희 (한림대학교 성심병원 소아치과)
  • Received : 2014.04.24
  • Accepted : 2014.08.07
  • Published : 2014.08.31

Abstract

The purpose of this study was to compare skeletal maturity index and dental developmental stages based on skeletal malocclusion. A total of 192 patients (89 male and 103 female) between 6 to 14 years old were selected for this study and underwent cephalograms, panorama radiographs, and hand-wrist radiographs. Any syndromic cases were excluded. Selected clinical parameters were dichotomised for statistical analysis. Chi-square, logistic regression analysis, and independent t-tests were used for the statistical evaluation. Canine, first molar, and second molar calcification were significantly associated with skeletal maturity in the logistic regression model (p < 0.05). In addition, patients who had higher skeletal maturity index were 11.43 times more likely to be female than those who had lower skeletal maturity index (p < 0.001). The patients with skeletal class II malocclusion displayed significantly higher dental developmental stage in canines, first premolars, first molars, and second molars than the patients with class III malocclusion (p < 0.05). The dental developmental stage of the patients was significantly associated with skeletal maturity. In addition, there was a significant difference between class II and class III malocclusion with some types of tooth calcification.

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