An In Vitro Comparison of Clinpro™ XT and Duraphat Varnish for Protecting Teeth from Discoloration during Orthodontic Treatment

Table 1

Means and standard deviations (SDs) of the baseline , , and values of each group.

Groups	(Means ± SDs)	(Means ± SDs)	(Means ± SDs)
RCTR	83.64 ± 2.62^A	1.09 ± 1.28^B	29.51 ± 3.75^C
RC	84.24 ± 3.36^A	1.10 ± 1.24^B	29.33 ± 4.10^C
RD	84.73 ± 3.09^A	1.34 ± 1.17^B	31.06 ± 3.21^C
BCTR	84.10 ± 3.61^A	1.29 ± 1.23^B	30.38 ± 3.24^C
BC	83.22 ± 2.10^A	1.28 ± 1.07^B	29.39 ± 4.23^C
BD	86.13 ± 3.85^A	0.77 ± 1.22^B	29.24 ± 4.08^C

① RCTR: resin control group; RC: resin Clinpro group; RD: resin Duraphat group; BCTR: bracket control group; BC: bracket Clinpro group; and BD: bracket Duraphat group. : the lightness value; : red/green axis value; : yellow/blue axis value. ② Different uppercase letters in the same column indicate significant differences between the different groups ( < 0.05), whereas the same letter indicates no significant differences ( > 0.05).