超低频经皮电神经刺激不影响正中关系记录。
Ultra-low frequency transcutaneous electric nerve stimulation does not affect the centric relation registration.
作者信息
de Bragança Rafaella Mariana Fontes, Rodrigues Carolina Almeida, Melchior Melissa Oliveira, Magri Laís Valencise, Mazzetto Marcelo Oliveira
机构信息
a Department of Restorative Dentistry , School of Dentistry of Ribeirão, São Paulo University , Ribeirão Preto , Brazil.
出版信息
Cranio. 2018 Jan;36(1):19-28. doi: 10.1080/08869634.2016.1278107. Epub 2017 Jan 27.
OBJECTIVE
To evaluate the influence of ULF-TENS on the displacement of the mandibular condyle and on the repeatability of centric relation (CR) registration of three different techniques: bimanual manipulation (BM), long strip technique, and harmonic centric occlusal relationship (R.O.C.A. wires).
METHODS
Twenty-five participants without temporomandibular disorder (TMD) underwent two study stages conducted via electronic position analysis: (1) three CR records were made, one for each manipulation technique; (2) the ULF-TENS was applied for 30 min, and after that the same CR records were repeated.
STATISTICAL ANALYSES
Mann-Whitney, ICC, and one-tailed F test.
RESULTS
The ULF-TENS did not influence the condyle total displacement, regardless of CR recording technique used (p > 0.05). BM showed an improvement in repeatability after ULF-TENS.
DISCUSSION
Concerning the variance, BM showed less variation at the X-axis. Long strip technique and R.O.C.A. wires varied less at the Y-axis. Long strip technique was again less variable at the Z-axis.
目的
评估超低频经皮电刺激神经疗法（ULF-TENS）对下颌髁突位移以及三种不同技术（双手操作法（BM）、长条技术和调和正中咬合关系（R.O.C.A. 钢丝））的正中关系（CR）记录重复性的影响。
方法
25名无颞下颌关节紊乱病（TMD）的参与者通过电子位置分析进行了两个研究阶段：（1）进行三次CR记录，每种操作技术各一次；（2）施加ULF-TENS 30分钟，之后重复相同的CR记录。
统计分析
曼-惠特尼检验、组内相关系数（ICC）和单尾F检验。
结果
无论使用何种CR记录技术，ULF-TENS均未影响髁突的总位移（p > 0.05）。双手操作法在ULF-TENS后重复性有所改善。
讨论
关于方差，双手操作法在X轴上变化较小。长条技术和R.O.C.A.钢丝在Y轴上变化较小。长条技术在Z轴上再次变化较小。
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