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Maturation of cervical vertebrae in relation to menarche

초경 전후 경추골 성숙도에 관한 연구

  • Lee, Jin-Hwa (Department of Orthodontics, Dental Hospital, Kyunghee Medical Center) ;
  • Kang, Yoon-Goo (Department of Orthodontics, School of Dentistry, Kyunghee University) ;
  • Lee, Ki-Soo (Department of Orthodontics, School of Dentistry, Kyunghee University) ;
  • Nam, Jong-Hyun (Department of Orthodontics, School of Dentistry, Kyunghee University)
  • 이진화 (경희대학교 부속치과병원 치과교정과) ;
  • 강윤구 (경희대학교 치의학전문대학원 치과교정학교실) ;
  • 이기수 (경희대학교 치의학전문대학원 치과교정학교실) ;
  • 남종현 (경희대학교 치의학전문대학원 치과교정학교실)
  • Published : 2009.02.28

Abstract

Objective: The purpose of this study was to investigate the relationship between menarche and cervical vertebral maturation. Methods: Lateral cephalograms of 67 young korean girls within the range of 1 year before or after their menarche were gathered. The concavity of the cervical vertebrae base and the ratio of the base length to the 3rd and 4th cervical vertebrae anterior height were measured and analyzed. Results: The mean measured values were as follows, concavity of the 3rd cervical vertebrae base: 1.27(${\pm}0.18$) mm, concavity of the 4th cervical vertebrae base: 1.06(${\pm}0.15$) mm, ratio of the base length to the 3rd cervical vertebrae anterior height: 0.73(${\pm}0.06$) and ratio of the base length to the 4th cervical vertebrae anterior height: 0.70(${\pm}0.05$). There was a significant increase in the ratio of the base length to the 3rd vertebrae anterior height and the base concavity of the 3rd and 4th cervical vertebrae during the period of 1 year before to 1 year after their menarche. Conclusions: These characteristics of the 3rd and 4th cervical vertebrae on the lateral cephalogram can provide useful clues on evaluating the growth stage.

본 연구는 성장기의 여아에서 초경 전후 경추골의 발육 특징을 파악하고 이를 통해 초경과 경추골 발육과의 관계에 대해 규명하고자 시행하였다. 초경 전후 1년 이내에 내원한 여아 67명을 대상으로 하였고 총 77매의 측모 두부규격 방사선사진을 이용하였다. 제3, 4경추의 외형을 트레이싱하고 경추 하연의 만곡도와 경추의 하연의 길이에 대한 전연의 길이의 비를 구하였다. 초경 전후의 시간적 관계에 따라 이 측정치들의 변화를 분석하였다. 초경 시 제3경추 하연의 만곡도는 1.27(${\pm}0.18$) mm, 제4경추 하연의 만곡도는 1.06(${\pm}0.15$) mm, 제3경추의 하연의 길이에 대한 전연의 길이의 비는 0.73(${\pm}0.06$), 제4경추의 하연의 길이에 대한 전연의 길이의 비는 0.70(${\pm}0.05$)였다. 초경 전후 2년의 기간동안 경추골의 발육에 따라 외형의 변화가 관찰되었다. 제3경추의 하연의 만곡도와 하인의 길이에 대한 전연의 길이의 비, 제4경추 하연의 만곡도는 초경 전후 2년 간에 걸쳐 통계적으로 유의성 있는 증가를 보였다. 제4경추 하연의 길이에 대한 전연의 길이의 비는 초경 이후 유의성 있는 증가를 보였다. 초경 전후 2년간 제3, 4경추의 하연의 만곡도는 이미 나타난 후 점차 뚜렷해졌다. 경추골의 형태는 세로의 길이가 증가하였으나 세로보다는 가로의 길이가 긴 사각형이었다. 측모 두부규격 방사선사진상의 제3경추와 제4경추의 발육 특징은 초경 전후의 여아에서 유의성 있는 변화를 보였으며 이는 성장 평가를 위한 하나의 유용성이 있는 지표가 될 수 있을 것으로 생각한다.

Keywords

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