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ARCUSdigma 2와 Checkbite를 사용하여 측정한 과로경사각 비교

Comparison of condylar guidance using ARCUSdigma 2 and Checkbite

  • 이동인 (조선대학교 치과대학 보철학교실) ;
  • 이창희 (조선대학교 치과대학 보철학교실) ;
  • 손미경 (조선대학교 치과대학 보철학교실) ;
  • 정재헌 (조선대학교 치과대학 보철학교실) ;
  • 강동완 (조선대학교 치과대학 보철학교실)
  • Lee, Dong-In (Department of Prosthodontics, School of Dentistry, Chosun University) ;
  • Lee, Chang-Hee (Department of Prosthodontics, School of Dentistry, Chosun University) ;
  • Son, Mee-Kyoung (Department of Prosthodontics, School of Dentistry, Chosun University) ;
  • Chung, Chae-Heon (Department of Prosthodontics, School of Dentistry, Chosun University) ;
  • Kang, Dong-Wan (Department of Prosthodontics, School of Dentistry, Chosun University)
  • 투고 : 2012.10.05
  • 심사 : 2013.06.20
  • 발행 : 2013.07.31

초록

연구 목적: 근래에 들어 체크바이트 법뿐만 아니라 디지털 센서를 이용하여 하악의 운동을 기록, 분석하여 과로각을 계산하는 방법이 개발되어 사용되어져 오고 있으나 두 방법간의 비교하는 연구는 없었다. 이에 새로운 방법인 ARCUSdigma 2 system을 이용한 방법과 전통적인 방법인 체크바이트 법으로 과로각을 측정하여 두 방법 간의 차이를 비교해 보고자 하였다. 연구 대상 및 방법: 교정치료의 경험이 없고, 제3대구치를 제외한 치아의 결손이 없고, 교합평면의 변화를 수반한 광범위한 수복이 없으며, 악관절 질환이 없는 24세부터 34세 사이의 건강한 젊은 성인 남녀(남 10명, 여 10명)를 대상으로 하여 Camper's plane을 기준으로 하여 ARCUSdigma 2 system과 왁스를 사용한 체크바이트법을 각각 3번씩 측정하였으며 교합기는 KaVo Protar Evo 7 반조절성 교합기를 사용하여 각각의 방법으로 과로경사각을 측정하였다. 두 방법 간의 자료를 SPSS 20을 이용한 Mann-Whitney U Test를 사용하여 통계적으로 분석하였다. 결과: 1. ARCUSdigma 2 system에서 전방시상과로각은 좌우 각각 $26.97^{\circ}({\pm}7.38^{\circ})$, $29.80^{\circ}({\pm}8.19^{\circ})$로 측정되었으며, 측방과로경사각은 $5.75^{\circ}({\pm}3.47^{\circ})$$8.10^{\circ}({\pm}4.98^{\circ})$로 측정되었다. 2. 체크바이트법에서 전방시상과로각은 좌우 각각 $25.20^{\circ}({\pm}6.53^{\circ})$, $28.18^{\circ}({\pm}7.38^{\circ})$로 측정되었으며, 측방과로경사각은 $10.97^{\circ}({\pm}5.63^{\circ})$$12.03^{\circ}({\pm}5.22^{\circ})$로 측정되었다. 결론:두 방법 모두 남녀간 좌우간 유의적 차이는 나타나지 않았으며 두 방법 사이에서는 측방시상과로각에서 ARCUSdigma 2를 사용하여 측정한 값이 Checkbite를 사용하여 측정한 값보다 통계적으로 유의하게 작게 측정되었다(P<.05).

Purpose: Nowadays, checkbite methods and a digital sensor are used to analyze the movement of mandible. However, there are no study comparing two methods. Therefore, this study has compared measuring the condylar inclination methods by using the new ARCUSdigma 2 system and the checkbite method. Materials and methods: Young 20 adults without any orthodontic treatment experiences, missing teeth, and restorations with the change of occlusal plane were tested. Angles of condylar path were measured 3 times each, based on Camper's line, by using two methods. KaVo PROTAR Evo 7 semi-adjustable articulator was used and the data were statistically analyzed. Results: 1. The anterior sagittal condylar inclination by ARCUSdigma 2 system were measured as $26.97^{\circ}({\pm}7.38^{\circ})$ on the left side and $29.80^{\circ}({\pm}8.19^{\circ})$ on the right side. The lateral condylar inclination were measured as $5.75^{\circ}({\pm}3.47^{\circ})$ on the left side and $8.10^{\circ}({\pm}4.98^{\circ})$ on the right side. 2. The anterior sagittal condylar inclination by checkbite method were measured as $25.20^{\circ}({\pm}6.53^{\circ})$ on the left side and $28.18^{\circ}({\pm}7.38^{\circ})$ on the right side. The lateral condylar inclination were measured as $10.97^{\circ}({\pm}5.63^{\circ})$ on the left side and $12.03^{\circ}({\pm}5.22^{\circ})$ on the right side. There was no statistically significant difference between male and female (P>.05). 3. The lateral condylar inclinations of ARCUSdigma 2 were statistically significantly smaller than that of checkbite method (P<.05). Conclusion: In Both of 2 methods, there was no statistically significant difference between male and female (P>.05). However, the lateral condylar inclinations of ARCUSdigma 2 were statistically significantly smaller than that of checkbite method (P<.05).

키워드

참고문헌

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피인용 문헌

  1. Comparative Analysis of Sagittal Condylar Guidance Recorded by Intraoral Gothic Arch Tracing and Panoramic Radiograph in Completely Edentulous Patients vol.19, pp.11, 2013, https://doi.org/10.5005/jp-journals-10024-2422