Journal of the korean academy of Pediatric Dentistry (대한소아치과학회지)

Korean Academy of Pediatric Dentistry (대한소아치과학회)
권호 표지

A STUDY OF RELATIONSHIP BETWEEN BITE FORCE, MASSETER MUSCLE AND CRANIOFACIAL MORPHOLOGY : CEPHALOMETRIC & ULTRASONOGRAPHIC ANALYSIS

교합력, 교근과 두개안면골 형태의 관계 : 두부규격방사선사진과 초음파진단영상 분석

  • Lee, Mi-Sook (Department of Pediatric Dentistry and School of Dentistry, Kyung Hee University) ;
  • Choi, Yeong-Chul (Institute of Oral Biology, School of Dentistry, Kyung Hee University) ;
  • Choi, Sung-Chul (Institute of Oral Biology, School of Dentistry, Kyung Hee University) ;
  • Kim, Gwang-Chul (Institute of Oral Biology, School of Dentistry, Kyung Hee University)
  • 이미숙 (경희대학교 치과대학 소아치과학교실) ;
  • 최영철 (경희대학교 치과대학 구강생물학연구소) ;
  • 최성철 (경희대학교 치과대학 구강생물학연구소) ;
  • 김광철 (경희대학교 치과대학 구강생물학연구소)
  • Published : 2008.08.29
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Abstract

The aim of this study was to investigate the relationships between bite force, masseter muscle and craniofacial morphology. 141 individuals were included. Bite forces were measured with a bite force transducer(SKT 2004). The facial morphology of the samples was evaluated on the Lateral and PA cephalometric radiographs(Asahi CX-90 SP). Ultrasonographic images were obtained for 36 individuals(Logiq 500). General status of the subjects were also measured for investigating possible relationships. Their relationships were analyzed by means of t-test, Pearson's correlation coefficients and simple regression analysis. In conclusion, bite force of molar was significantly correlated with craniofacial morphology for males and females, but not to masseter muscles. The masseter muscle for males had a significant correlation with craniofacial morphology. The unexpected negative correlations between size of masseter muscle and maxillary width was revealed for males. One possible way to arrive at a plausible explanation for the correlation between masster muscle, bite force and craniofacial morphology of males were the deep layer of masseter muscle had a great influence on males and the superficial layer of masseter muscle had a great influence on females.

교합력과 교근의 두께 및 면적 그리고 두개안면골 형태간의 연관성을 평가하고자 하였다. 성인 141명의 교합력 측정, 측방 및 후전방 두부규격방사선사진 그리고 교근 표층의 초음파진단영상을 촬영한 후, 이들 간의 관계를 통계분석으로 비교, 평가하였다. 교합력과 두개안면골의 형태간에는 남녀 모두 유의한 상관관계가 있으며, 교합력과 교근 간에는 남녀 모두 유의한 상관관계가 없었다. 그러나 교근은 남자의 두개안면골 형태에서 유의한 상관관계를 보였고, 특히 교근의 두께 및 면적이 증가할수록 상악너비가 유의하게 감소하게 나타났다. 이는 남자의 교합력은 심층 교근과 관계가 크고, 여자의 교합력은 표층 교근과 관계가 큰 것이 원인으로 판단된다.

Keywords

References

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