Journal of Dental Rehabilitation and Applied Science (구강회복응용과학지)

Korean Academy of Stomatognathic Function and Occlusion (대한턱관절교합학회)
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Changes of bite force and dynamic functional occlusion analysis after occlusal stabilization splint therapy in sleep bruxism patients: a pilot study

수면이갈이 환자에서 교합안정장치 사용 후 교합력 및 동기능적교합분석: 예비 연구

  • Jaeyeon, Kim (Department of Advanced General Dentistry, Yonsei University College of Dentistry) ;
  • Yiseul, Choi (Department of Advanced General Dentistry, Yonsei University College of Dentistry) ;
  • Yool Bin, Song (Department of Advanced General Dentistry, Yonsei University College of Dentistry) ;
  • Wonse, Park (Department of Advanced General Dentistry, Yonsei University College of Dentistry) ;
  • Seong Taek, Kim (Department of Orofacial Pain and Oral Medicine, Yonsei University College of Dentistry)
  • 김재연 (연세대학교 치과대학 통합치의학과) ;
  • 최이슬 (연세대학교 치과대학 통합치의학과) ;
  • 송율빈 (연세대학교 치과대학 통합치의학과) ;
  • 박원서 (연세대학교 치과대학 통합치의학과) ;
  • 김성택 (연세대학교 치과대학 구강내과)
  • Received : 2022.10.25
  • Accepted : 2022.11.14
  • Published : 2022.12.31
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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.

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.

Keywords

Acknowledgement

This work was supported by the Korea Medical Device Development Fund grant funded by the Korea government (the Ministry of Science an ICT, the Ministry of Trade, Industry and Energy, the Ministry of Health & Welfare, the Ministry of Food and Drug Safety) (Project Number: 1711138194, KMDF_ PR_ 20200901_0109- 01).

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