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Table 1 The mean grey values of each image of aligners cleaned by each of the nine cleaning strategies in each of the five patients, showing the mean calculated for each cleaning method

From: Comparative SEM analysis of nine F22 aligner cleaning strategies

  Method 1 Method 2 Method 3 Method 4 Method 5 Method 6 Method 7 Method 8 Method 9
PT 1 143.618 126.714 111.379 112.007 109.033 124.756 132.793 117.481 81.492
PT 2 154.730 115.470 111.380 109.226 109.219 132.481 131.457 114.486 83.033
PT 3 140.032 107.871 112.168 140.546 133.622 107.512 125.045 129.604 84.454
PT 4 163.922 114.175 131.064 108.467 145.483 138.692 117.787 119.598 80.219
PT 5 147.972 122.249 134.454 130.679 141.776 134.050 108.033 116.978 73.534
MEAN 150.055 117.296 120.089 120.185 127.827 127.498 123.023 119.629 80.546