Christensen L V, Radue J T
J Oral Rehabil. 1985 Sep;12(5):429-34. doi: 10.1111/j.1365-2842.1985.tb01548.x.
To study concurrence of specific electromyographic chewing patterns and the side of mastication, twelve subjects chewed gum for 15, 20 and 25 s. Gum bolus placement on the right or left side of the dentition was estimated by three series of visual inspections. Contraction patterns of the chewing and non-chewing side masseter muscles were appraised by integrated and cumulative surface electromyography. Consistent and predominant gum bolus placement on the right side of the dentition could be predicted fairly reliably from comparative electromyographic observations. This was also the case in instances of consistent left-sided gum bolus placement, but not in predominant left-sided bolus placement. The latter phenomenon was explained by deviant observations made in two subjects only. Agreement between a presumed chewing side and a predictive contractility pattern was established in 78% of observations (P less than 0.001).
为研究特定肌电图咀嚼模式与咀嚼侧的一致性，12名受试者咀嚼口香糖15、20和25秒。通过三组视觉检查估计牙列右侧或左侧的口香糖团块位置。通过积分和累积表面肌电图评估咀嚼侧和非咀嚼侧咬肌的收缩模式。从比较肌电图观察结果可以相当可靠地预测口香糖团块在牙列右侧持续且主要的放置情况。在口香糖团块持续放置在左侧的情况下也是如此，但在主要放置在左侧的情况下并非如此。后一种现象仅在两名受试者的异常观察中得到解释。在78%的观察结果中，假定的咀嚼侧与预测的收缩模式之间存在一致性（P小于0.001）。
