Susceptibility of Enamel Treated with Bleaching Agents to Mineral Loss after Cariogenic Challenge

Table 2

Statistical differences of the test groups in the end of 4th, 8th, 12th, and 16th days.

Materials	Days 1–4	Days 6–8	Days 9–12	Days 13–16	Total
38% HP with light versus 10% CP		*	**	*	*
38% HP with light versus 38% HP with laser diode				*	*
38% HP with light versus control	*	*	**	*	*
38% HP with laser diode versus 10% CP
38% HP with laser diode versus control				*	*
10% CP versus control

*Statistically significant differences between the groups for Bonferroni test (𝑝<0.05).
**Statistically significant differences between the groups for Dunnett C test (𝑝<0.05).