用清晰对齐器治疗的短期治疗是否会诱导肌肉活动的变化?
Ra'ed Al-Dboush1, Eman Al-Zawawi2, Tarek El-Bialy3
1Orthodontic Department, Jordanian Royal Medical Services, Amman, Jordan. raedabbade@gmail.com.
Evidence-based dentistry
|September 22, 2023
概括
在患有I类缺陷闭塞的成年人中,清晰对齐器的使用将闭塞力中心移向前部与对齐器,后部没有. 肌肉平衡最初通过对齐器得到改善,但随着时间的推移而恶化.
科学领域:
- 矯正牙科 矯正牙科是一種矯正牙科.
- 生物机械工程 生物机械工程
- 牙的闭塞 牙的闭塞 牙的闭塞
背景情况:
- 透明对齐器越来越多地用于正牙治疗.
- 了解它们对闭塞力和肌肉活动的影响至关重要.
- 之前的研究还没有完全阐明这些随着时间的推移而发生的生物力学变化.
研究的目的:
- 评估清晰对齐器治疗对闭塞力分布和肌肉活动的影响.
- 在6个月的时间内,评估塞力中心 (COF) 和表面电肌图 (sEMG) 参数的变化.
- 为了研究在清晰对齐器治疗期间的闭合接触变化和肌肉平衡之间的关系.
主要方法:
- 一项前性队列研究,涉及26名患有I类缺陷的成年女性患者.
- 表面电肌图 (sEMG) 和数字闭塞分析 (T-Scan) 在基线,3个月和6个月进行.
- sEMG评估了肌肉对称性 (POC) 和平衡 (TC,Ac,Asym);T-Scan评估了COF位置和最大间时间 (MIC).
主要成果:
- 清晰对齐器的使用导致了COF在中心封闭的显著前部转移,以及在穿着对齐器时的后部转移.
- 肌肉对称性 (POC) 通过对齐器得到改善,但随着时间的推移在中心闭塞下下降.
- 没有观察到扭矩系数,活动指数,不对称指数或最大间隙时间的显著变化.
结论:
- 清晰的对齐器改变了闭塞力分布,导致前部COF在中心闭塞和后部对齐器的位移.
- 在使用对齐器时,肌肉平衡的短期改善被观察到,随后是中心阻塞的下降.
- 在COF位置上没有检测到显著的横平面不对称.
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