수면이갈이 환자에서 교합안정장치 사용 후 교합력 및 동기능적교합분석: 예비 연구
Changes of bite force and dynamic functional occlusion analysis after occlusal stabilization splint therapy in sleep bruxism patients: a pilot study
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목적: 수면이갈이 환자에서 한달 간 수면 시 교합안정장치를 장착하였을 때 교합력과 교합 접촉 면적 및 동기능적교합분석의 변화량을 비교하고자 하였다. 연구 재료 및 방법: 2021년 10월부터 2022년 7월까지 연세대학교 치과대학병원 구강내과 외래에 방문한 수면이갈이 환자 30명 중 교합안정장치를 수면 중 착용하는 실험군(treatment; n = 15)과 교합안정장치를 착용하지 않는 대조군(control; n = 15)으로 구성하였다. 교합안정장치 장착 전, 장착 1개월 후에 교합력 검사와 동기능적교합분석(측방, 전후방 하악 운동 시 좌/우 힘의 균형, 평균 교합력, 최대 교합력, 최대 접촉 개수)을 진행하였다. 결과: 한달 간 수면 중 교합안정장치를 착용하는 실험군과 교합안정장치를 착용하지 않는 대조군에서 교합력과 교합 접촉 면적은 차이가 없었으나 측방 및 전후방 운동에서 평균 교합력과 최대 교합력, 전후방 운동에서 최대 접촉 개수가 유의한 차이가 있었음을 관찰하였다. 결론: 교합안정장치가 측방, 전후방 운동을 하는 이갈이 환자에게 도움이 될 것으로 사료되며, 향후 추가적으로 대단위 집단을 대상으로 하는 이중 맹검연구가 필요할 것으로 사료된다.
Abstract
Purpose: The aim of this study was to compare changes of bite force, occlusal contact area, and dynamic functional occlusion analysis after occlusal stabilization splint therapy during sleep for one month in a patient with bruxism. Materials and Methods: From October 2021 to July 2022, sleep bruxism of 30 patients who visited the Department of Oral Medicine at Yonsei University College of Dentistry Hospital were recruited. The participants were divided into two groups: using an occlusal stabilization splint during sleep (treatment; n = 15) and not using an occlusal stabilization splint (control; n = 15). Before using the occlusal stabilization splint and one month after, bite force, occlusal contact area and dynamic functional occlusion analysis (ratio of left/right bite forces, average bite forces, maximum bite forces, and maximum contact areas during lateral and anterior and posterior mandibular movements) were performed. Results: There was no difference in bite force and occlusal contact area between the treatment group using the occlusal stabilization splint and the control group not using the occlusal stabilization splint during sleep for one month. However, there were significant differences in the average bite force and maximum bite force in the lateral and anterior and posterior mandibular movements and the maximum contact areas in the anterior and posterior mandibular movements. Conclusion: The occlusal stabilization splint is helpful for sleep bruxism patients who lateral and anterior and posterior mandibular movements. In addition, further studies are needed a double-blind study with a large population.
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