지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2002.3
- 수록면
- 63 - 75 (13page)
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초록· 키워드
오류제보하기
This study was performed to investigate the effect of intraoral snoring device on the electromyographic(EMG) activity of several masticatory muscles. For the study, 40 dental students were selected. They had no visible signs and symptoms except mild joint sound. Two types of intraoral appliance were fabricated : anterior positioning splint(APS), commonly used for patients with temporomandibular disorders, and snoring appliance(SA), mandibular advancement type device. The mean distance of mandibular advancement of each appliance was 3mm and 5mm, respectively.
The BioEMGⓡ(Bioresearch Inc., USA) was used to measure of the EMG activity of three pairs of muscles, which were anterior temporalis(TA), superficial masseter(MM), and anterior digastricus(DA), with regard to change of mandibular positions.
Three sessions of measurement were carried out. First session was baseline measurement, to record the EMG activity before insertion of intraoral device. The mandibular positions observed were rest position, protrusive position, protrusive-clenching position, and clenching position. Second session was the measurement of the EMG activity related to APS, which was performed two times, namely, with APS and without APS. Third session was also measured two times, with SA and without SA.
The data were processed with SPSS windowsⓡ program for the maximum and the mean value of the EMG activity in each recording.
The maximum EMG activities with adaptation of SA were higher than those with APS or with natural occlusion in general, but the EMG activity in protrusive-clenching position were higher with APS.
The correlation of the mean EMG activity between each session in the same mandibular position showed two patterns. That was, without appliance, correlation among three sessions were highly significant in general, but with appliance, there were no consistent pattern of correlation.
In summary, adaptation of intraoral snoring device increased masticatory muscle activity, especially in the mandibular rest and the protrusive positions. This results also suggest, however, that the muscle activity might be lowered if baseline activity is lowered with many pre-treatment modalities for mandibular relaxation.
The BioEMGⓡ(Bioresearch Inc., USA) was used to measure of the EMG activity of three pairs of muscles, which were anterior temporalis(TA), superficial masseter(MM), and anterior digastricus(DA), with regard to change of mandibular positions.
Three sessions of measurement were carried out. First session was baseline measurement, to record the EMG activity before insertion of intraoral device. The mandibular positions observed were rest position, protrusive position, protrusive-clenching position, and clenching position. Second session was the measurement of the EMG activity related to APS, which was performed two times, namely, with APS and without APS. Third session was also measured two times, with SA and without SA.
The data were processed with SPSS windowsⓡ program for the maximum and the mean value of the EMG activity in each recording.
The maximum EMG activities with adaptation of SA were higher than those with APS or with natural occlusion in general, but the EMG activity in protrusive-clenching position were higher with APS.
The correlation of the mean EMG activity between each session in the same mandibular position showed two patterns. That was, without appliance, correlation among three sessions were highly significant in general, but with appliance, there were no consistent pattern of correlation.
In summary, adaptation of intraoral snoring device increased masticatory muscle activity, especially in the mandibular rest and the protrusive positions. This results also suggest, however, that the muscle activity might be lowered if baseline activity is lowered with many pre-treatment modalities for mandibular relaxation.
목차
Ⅰ. 서 론
Ⅱ. 연구대상 및 연구방법
Ⅲ. 연구결과
Ⅳ. 총괄 및 고찰
Ⅴ. 결 론
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UCI(KEPA) : I410-ECN-0101-2009-515-013689235