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한국 유치악 성인의 상악 중절치 위치 및 견치간 거리에 관한 연구

Position of maxillary central incisor and intercanine width in Korean adults

  • 양동헌 (전남대학교 치의학전문대학원 치과보철학교실) ;
  • 이지윤 (전남대학교 치의학전문대학원 치과보철학교실) ;
  • 반재삼 (전남대학교 치의학전문대학원 치과보철학교실) ;
  • 오계정 (전남대학교 미래형 생체부품소재 RIS사업단) ;
  • 박상원 (전남대학교 치의학전문대학원 치과보철학교실)
  • Yang, Dong-Hun (Department of Prosthodontics, School of Dentistry, Chonnam National University) ;
  • Lee, Jee-Yun (Department of Prosthodontics, School of Dentistry, Chonnam National University) ;
  • Ban, Jae-Sam (Department of Prosthodontics, School of Dentistry, Chonnam National University) ;
  • Oh, Gye-Jeong (CNU RIS Foundation for Advanced Biomaterials, Chonnam National University) ;
  • Park, Sang-Won (Department of Prosthodontics, School of Dentistry, Chonnam National University)
  • 투고 : 2012.07.28
  • 심사 : 2013.07.08
  • 발행 : 2013.07.31

초록

연구 목적: 이 연구는 정상배열을 가지고 있는 한국 유치악 성인에서 얼굴형과 성별에 따라 절치유두를 기준으로 한 상악전치의 위치와 견치폭경 계측치를 제시한다. 연구 대상 및 방법: 전남대학교 치의학 전문대학원에 다니는 학생 중 crowding 및 spacing이 없으며, Angles Class I의 정상 교합관계를 가지고 있는 42명을 대상으로 조사하였다. 선정된 학생들의 두부 측면 방사선 사진을 찍고, posterior facial height (PFH)과 anterior facial height (AFH)을 측정하여 PFH / AFH%를 구하여 cephalic type을 나누었다. 그 후 42명의 상악 모형을 준비하여 버니어캘리퍼스로 상악 중절치 절단연에서 절치 유두 중앙까지의 수평거리(A)와 상악 견치간 거리(B)를 계측, 평균값을 구하였으며, SPSS version 15를 사용하여 통계분석 및 유의성을 검토하였다. 결과: Dolichocephalic type을지닌10명에서A의 평균값은 $8.43{\pm}0.61$, B의 평균값은 $36.73{\pm}2.17$으로 나타났다. Mesocephalic type과 brachycephalic type의경우각각A의평균값은 $8.51{\pm}1.27$, $8.76{\pm}1.03$, B의 평균값은 $35.91{\pm}1.86$, $37.34 {\pm}2.23$로 나타났다. 성별에 따른 계측 결과 남성에서A의 평균값은 $8.86{\pm}1.04$, B의 평균값은 $37.60{\pm}0.24$으로 나타났으며, 여성에서A의 평균값은 $8.41{\pm}0.93$, B의 평균값은 $36.18{\pm}2.01$로 나타났다. A값의 경우 남성이 여성보다 큰 값을 보였으나 그 차이는 통계적으로 유의하지 않았다(P>.05). B값의 경우 남성이 여성보다 큰 값을 보였으며, 통계적으로 유의성을 나타내었다 (P<.05). 결론:한국에서 정상 치열 및 교합을 가진 평균 연령 30세, 42명의 학생을 대상으로 조사하였을 때, 절치유두에서 상악 중절치 절단연까지의 수평 거리는 cephalic type이나 성별에 따른 차이가 없었고, 견치 교두정간 거리는 cephalic type에 따른 차이가 없었지만, 성별에 따라 유의한 차이를 보였으며 남성이 여성보다 큰 값을 나타냈다.

Purpose: The aim of this study was to propose the position of maxillary anterior teeth and intercanine width measurements based on the incisive papilla in accordance with the cephalic type and gender of dentate Korean adult with normal teeth alignment. Materials and methods: 42 students with Class I normal occlusion, without crowding or spacing, were selected from the Chonnam National University School of Dentistry. The lateral skull radiographs of the subjects were taken and were classified as different cephalic types, based on their PFH / AFH ratios. 42 casts of their maxilla were prepared and both the distance between the upper central incisors and the middle of the incisor papilla was measured with a vernier caliper (A) and the distance between the maxillary canine cusp tips (B) were measured. Statistical analysis was performed using SPSS version 15 and their significance was investigated. Results: For dolichocephalic group, the mean values for A and B were 8.43 (SD: 0.61) and 36.73 (SD: 2.17), respectively. The mean value for A was 8.51 (SD: 1.27) for the mesocephalic group and 8.76 (SD 1.03) for the brachycephalic group. The mean value for B was 35.91 (SD: 1.86) for the mesocephalic group and 37.34 (SD: 2.23) for the brachycephalic group. For the male group, the mean A value was 8.86 (SD: 1.04) and the mean B value was 37.60 (SD: 0.24). For the female group, the mean A value was 8.41 (SD: 0.93) and the mean B value was 36.18 (SD: 2.01). The difference between male and female group in A values were not statistically significant (P>.05). The B values of the male subjects were greater than those of the female subjects and was statistically significant (P<.05). Conclusion: 42 students with normal dentition and occlusion in korea, the distance from the incisive papilla and the incisal edge of maxillary central incisors had no difference in cephalic type or gender. However, the distance between the cusp tip of both canines had significant difference in gender where the male showed higher values than the female, while having no difference in cephalic types.

키워드

참고문헌

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피인용 문헌

  1. 총의치 환자의 심미회복 vol.26, pp.1, 2017, https://doi.org/10.15522/jkaed.2017.26.1.39