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Table 2 Comparison between the different test foods according to RMS values of the EMG signals of right and left masseter muscles in bilateral balanced 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.

26.0–66.0

28.0–63.0

28.0–54.0

  

Mean ± SD

55.75 ± 13.05

45.67 ± 12.34

38.33 ± 8.24

10.180*

0.006*

Median

60.0

43.50

37.50

  
 

p 1 = 0.005*, p 2 = 0.037*, p 3 = 0.063

  

Left

Min.–Max.

33.0–78.0

21.0–108.0

23.0–85.0

  

Mean ± SD

62.17 ± 15.86

57.33 ± 28.65

42.50 ± 21.66

5.013

0.082

Median

64.50

50.50

40.50

  
 

p 1 = 0.037*, p 2 = 0.354, p 3 = 0.131

  
  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