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Table 3 Comparison between the different test foods according to RMS values of the EMG signals of right and left masseter muscles in canine guidance occlusion

From: A prospective cross-over study to evaluate the effect of two different occlusal concepts on the masseter muscle activity in implant-retained mandibular overdentures

  Silicon index (n = 12) Peanut (n = 12) Cake (n = 12) KW χ 2 p
Right
Min.–Max. 29.0–289.0 34.0–185.0 21.0–87.0   
Mean ± SD 61.67 ± 72.14 55.08 ± 41.27 46.83 ± 20.70 0.501 0.778
Median 43.0 44.0 39.0   
  p 1 = 1.000, p 2 = 0.488, p 3 = 0.602   
Left
Min.–Max. 11.0–150.0 24.0–126.0 29.0–143.0   
Mean ± SD 68.75 ± 42.86 61.50 ± 26.21 54.75 ± 31.19 2.134 0.344
Median 69.0 62.0 51.50   
  p 1 = 0.225, p 2 = 0.728, p 3 = 0.202   
  1. KW χ 2 chi square for Kruskal-Wallis test, p 1 p value for Mann-Whitney test for comparing between silicon index and cake, p 2 p value for Mann-Whitney test for comparing between silicon index and peanut, p 3 p value for Mann-Whitney test for comparing between cake and peanut
  2. *Statistically significant at p ≤ 0.05