Journal of Dental Rehabilitation and Applied Science (구강회복응용과학지)

Korean Academy of Stomatognathic Function and Occlusion (대한턱관절교합학회)
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Relation of head posture and occlusal contact area using photo occlusion analysis

광조사교합분석법을 이용한 머리 위치와 교합접촉면적의 관계

  • Kim, Chang-Hwan (Department of Prosthodontics and Research Institute of Oral Science, College of Dentistry, Gangneung-Wonju National University) ;
  • Ko, Kyung-Ho (Department of Prosthodontics and Research Institute of Oral Science, College of Dentistry, Gangneung-Wonju National University) ;
  • Huh, Yoon-Hyuk (Department of Prosthodontics and Research Institute of Oral Science, College of Dentistry, Gangneung-Wonju National University) ;
  • Cho, Lee-Ra (Department of Prosthodontics and Research Institute of Oral Science, College of Dentistry, Gangneung-Wonju National University) ;
  • Park, Chan-Jin (Department of Prosthodontics and Research Institute of Oral Science, College of Dentistry, Gangneung-Wonju National University)
  • 김창환 (강릉원주대학교 치과대학 치과보철학교실 및 구강과학연구소) ;
  • 고경호 (강릉원주대학교 치과대학 치과보철학교실 및 구강과학연구소) ;
  • 허윤혁 (강릉원주대학교 치과대학 치과보철학교실 및 구강과학연구소) ;
  • 조리라 (강릉원주대학교 치과대학 치과보철학교실 및 구강과학연구소) ;
  • 박찬진 (강릉원주대학교 치과대학 치과보철학교실 및 구강과학연구소)
  • Received : 2019.04.09
  • Accepted : 2019.05.21
  • Published : 2019.06.30
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Abstract

Purpose: Previous studies related with occlusal contact area were limited that interocclusal thickness level or the method of measurement has not been accurate in measuring. The purpose of this study was to investigate the relation between head posture and occlusal contact area using photo occlusion analysis. Materials and Methods: 54 subjects with complete dentition (44 men, 10 women / 23 to 33 years of age) were included. To identify the relationship between head posture and occlusal contact area, subjects took interocclusal record in maximal intercuspal position with three different positions(supine position ($0^{\circ}$) / inclined position ($45^{\circ}$) / upright position ($90^{\circ}$)) on the dental unit chair. Occlusal contact area was analyzed using photo occlusion analysis. Statistical analyses were performed with SPSS ver.25.0 at 95% confidence interval. Results: Head posture has no significant effect on the changes of occlusal contact area (P > 0.05). Conclusion: When interocclusal relation is stable, head posture does not change a interocclusal record because head posture has no significant effect on occlusal contact area. Analysis of occlusal contact area using photo occlsion analysis device is useful due to its material property and simplicity.

목적: 교합접촉면적에 관련된 이전의 연구들은 교합두께 수준이나 교합측정방법 상 부정확성이 한계로 지적되어 왔다. 본 연구의 목적은 머리 위치가 교합접촉면적에 미치는 영향을 광조사교합분석법을 이용하여 조사하는 것이다. 연구 재료 및 방법: 건전한 치열을 갖는 54명(남성 44명, 여성 10명, 23 - 33세)을 대상으로 시험을 진행하였다. 머리 위치와 교합접촉면적의 관계를 알아보기 위해 시험대상은 치과용 유닛체어에 세 가지 자세(누운 자세($0^{\circ}$), 기울인 자세($45^{\circ}$), 직립 자세($90^{\circ}$))로 하여 최대 교두간 접촉위를 이용하여 악간관계기록을 채득하였다. 광조사교합분석기($BiteEye^{(R)}$)를 이용하여 교합접촉면적을 분석하였다. SPSS 25.0을 이용하여 유의수준 95%에서 통계분석을 시행하였다. 결과:머리 위치는 교합접촉면적과 유의미한 영향이 없는 것으로 나타났다(P > 0.05). 결론: 머리 위치는 교합접촉면적에 유의미한 영향이 없으므로 교합관계가 안정적이라면 최대 교두간접촉위의 악간관계 기록 채득 시 환자의 자세는 변수가 되지 않으며 광조사교합분석기를 이용한 교합접촉면적의 측정은 재료적, 용이성 측면으로 유용하다고 할 수 있다.

Keywords

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