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Table 3 Statistical differences between test groups

From: Does post-bleaching fluoridation affect the further demineralization of bleached enamel? An in vitro study

Materials 4th day 8th day 12th day 16th day Total
Control × 38% HP 0.007 0.017 0.022 0.005 0.005
Control × 38% HP + NaF 0.036 0.798 0.444 0.878 0.721
Control × 38% HP + TiF4 0.005 0.059 0.167 0.059 0.005
38% HP × 38% HP + NaF 0.009 0.005 0.022 0.009 0.005
38% HP × 38% HP + TiF4 0.005 0.013 0.007 0.005 0.005
38% HP + NaF × 38% HP + TiF4 0.074 0.241 0.047 0.059 0.017
  1. Statistically significant differences between the groups (p<0.05).
  2. No statistically significant differences (p>0.05).