口腔颌面外科杂志2025，Vol.35Issue(3)：199-204,6.DOI:10.12439/kqhm.1005-4979.2025.03.005
颞下颌关节盘锚固术对咀嚼肌表面肌电特征影响的临床研究
Clinical study on the effect of temporomandibular joint disc anchorage on surface electromyographic characteristics of the masticatory muscles
摘要
Abstract
Objective:To evaluate the effect of temporomandibular joint disc anchorage(DA)on the surface electromyography(sEMG)characteristics of the masticatory muscles and its clinical outcome.Methods:A total of twenty-three patients with anterior disc displacement without reduction(ADDwoR)who underwent temporomandibular joint disc anchorage(DA)between December 2022 and January 2024 were collected to compare their preoperative,3-month postoperative,and 6-month postoperative maximal interincisal opening(MIO),visual analogue scale(VAS)scores,mandibular border movement(BM)distance,and sEMG of anterior temporalis(TA)and masseter muscle(MM).Results:Patients'MIO increased at 6 months postoperatively compared with preoperative levels(P<0.05),BM distance did not change significantly,VAS scores during wide mouth opening and in the preauricular region decreased compared with preoperative levels(P<0.05).In unilateral DA patients,the mean amplitude of TA sEMG was higher at 6 months postoperatively than that at 3 months postoperatively(P<0.05).At 6 months postoperatively,the mean MM sEMG amplitude was elevated on the non-operative side compared with preoperative and 3-month postoperative levels,and was reduced on the operative side compared with 3-month postoperative levels.The non-operative side showed higher amplitude than the operative side both preoperative and 6 months postoperatively,and lower amplitude at 3 months postoperatively(P<0.05).In bilateral DA patients,the mean TA sEMG amplitude decreased at 3 months postoperatively compared with preoperative levels(P<0.05),and the mean MM sEMG amplitude decreased at 3 months postoperatively compared with preoperative levels,but increased and was higher than the preoperative levels at 6 months postoperatively(P<0.05).Conclusion:DA can reduce the pain of ADDwoR patients,improve the mandibular motor function,and make the sEMG tend to be balanced and stable,with good clinical efficacy.关键词
颞肌/咬肌/边缘运动/关节盘锚固术/表面肌电Key words
temporal muscle/masseter muscle/border movement/disc anchorage/surface electromyography分类
口腔医学引用本文复制引用
林宇翔,李晨曦,龚忠诚..颞下颌关节盘锚固术对咀嚼肌表面肌电特征影响的临床研究[J].口腔颌面外科杂志,2025,35(3):199-204,6.基金项目
国家自然科学基金(82160189) （82160189）
新疆维吾尔自治区自然科学基金重点项目(2023D01D14) （2023D01D14）
