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Table 1 EMG clench measures while not wearing the appliances

From: Occlus-o-Guide®versus Andresen activator appliance: neuromuscular evaluation

EMG measure without appliances Appliance used EMG examination datapoint
   T0 T1 T2
POC-ATM (%) Occlus-o-Guide® 87 ± 5 87 ± 3 87 ± 4
Andresen activator 89 ± 2 87 ± 7 88 ± 5
p 0.16 0.82 0.05
POC-MM (%) Occlus-o-Guide® 86 ± 5 86 ± 6 88 ± 4
Andresen activator 88 ± 3 85 ± 6 88 ± 3
p 0.19 0.68 0.88
%RATM Occlus-o-Guide® 112 ± 27 105 ± 22 101 ± 24
Andresen activator 112 ± 30 108 ± 21 108 ± 28
p 0.85 0.09 0.13
%LATM Occlus-o-Guide® 113 ± 24 109 ± 24 107 ± 22
Andresen activator 112 ± 25 116 ± 23 108 ± 28
p 0.71 0.18 0.90
%RMM Occlus-o-Guide® 102 ± 27 101 ± 25 102 ± 18
Andresen activator 111 ± 34 112 ± 24 109 ± 25
p 0.53 0.01 0.15
%LMM Occlus-o-Guide® 105 ± 27 104 ± 30 104 ± 21
Andresen activator 111 ± 24 115 ± 36 109 ± 30
  p 0.30 0.15 0.97
  1. Data are means ± standard deviation. T0, first use; T1, after 6 months; T2, after 12 months; POC-ATM, percent overlapping coefficient of the anterior temporalis muscles; POC-MM, percent overlapping coefficient of the masseter muscles; %RATM, %LATM, %RMM, %LMM, clench percentages for each muscle; p, significance between appliances (Mann–Whitney test).