Do Different Tooth Bleaching–Remineralizing Regimens Affect the Bleaching Effectiveness and Enamel Microhardness In Vitro?

Table 1

Means, standard deviations (SD), minimum and maximum values of total color changes (ΔE) among the experimental groups.

Study groups	Number	Mean ± SD	Min	Max	One-way analysis of variance (ANOVA)
B	13	9.64 ±	5.49	13.59	F = 6.68,
FHA/B	13	7.90 ± 2.48^ab	4.74	12.07
FHA + B	13	4.91 ± 1.34^c	2.30	6.74
B/FHA	13	7.16 ± 1.73^cb	4.42	9.82
NaF/B	13	8.34 ± 2.63^ab	4.54	12.81
NaF + B	13	9.21 ± 2.58^ab	4.94	14.75
B/NaF	13	10.19 ± 3.34^a	4.25	16.09

Mean values with the same superscript letters are not statistically significant at .