Perturbed oral motor control due to anesthesia during intraoral manipulation of food
Perturbed oral motor control due to anesthesia during intraoral manipulation of food
复制标题
DOI：
10.1038/srep46691
复制
发表时间：
2017-04-20
影响因子：
4.6
通讯作者：
Trulsson, Mats
中科院分区：
文献类型：
--
作者：
Grigoriadis, Joannis;Kumar, Abhishek;Trulsson, Mats
来自自然牙根周围的牙周机械感受器（PMRs）的感觉信息对于优化食物的定位和精确咬合过程中力向量的调整是重要的。本实验旨在检验这一假设；麻醉减少了pmr的传入输入，扰乱了口腔精细运动控制和相关的颌部运动。30名拥有天然牙列的健康志愿者被平均分为实验组和对照组。两组参与者都被要求用门牙把一个球形糖果掰成两半。实验组对上、下切牙进行麻醉干预，对照组不进行干预。评估分裂的表现并记录下颌运动。实验组在局部麻醉后表现出明显的性能下降。然而，实验组和对照组在运动过程中下颌的持续时间和位置没有明显变化。综上所述，在口腔内操作食物时，短暂的pmr感觉信息剥夺会干扰口腔精细运动控制，然而，在运动过程中，下颌的持续时间或位置没有明显改变。
Sensory information from periodontal mechanoreceptors (PMRs) surrounding the roots of natural teeth is important for optimizing the positioning of food and adjustment of force vectors during precision biting. The present experiment was designed to test the hypothesis; that reduction of afferent inputs from the PMRs, by anesthesia, perturbs the oral fine motor control and related jaw movements during intraoral manipulation of morsels of food. Thirty healthy volunteers with a natural dentition were equally divided into experimental and control groups. The participants in both groups were asked to manipulate and split a spherical candy into two equal halves with the front teeth. An intervention was made by anesthetizing the upper and lower incisors of the experimental group while the control group performed the task without intervention. Performance of the split was evaluated and the jaw movement recorded. The experimental group demonstrated a significant decrease in measures of performance following local anesthesia. However, there was no significant changes in the duration or position of the jaw during movements in the experimental and control group. In conclusion, transient deprivation of sensory information from PMRs perturbs oral fine motor control during intraoral manipulation of food, however, no significant alterations in duration or positions of the jaw during movements can be observed.