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Table 4 Medians of DIAGNOdent values of demineralization changes for different bleached and non-bleached subgroups

From: Decalcification prevention around orthodontic brackets bonded to bleached enamel using different topical agents

  Group    
Subgroups Non-bleached Bleached Mann-Whitney U Z P value
Control 22.50 1.00 0.000 -3.800 0.000
Profluorid varnish 0.00 -1.00 25.000 -1.982 0.047
Enamel Pro Varnish 0.00 -1.00 38.000 -0.967 0.334
Ortho-Choice Ortho-Coat -1.0 -0.50 31.500 -1.467 0.142
GC Tooth Mousse 4.5 1.00 3.500 -3.562 0.000
GC MI Paste plus 2.5 1.00 27.000 -1.757 0.079
  1. Significant at P<0.05