Mineralization of Dentinal Lesions with Different Concentrations of Fluoride

Table 3

The mean microhardness values measured with the Vickers indenter throughout the lesion per group.

Group	Time
	Week 1	Week 2	Week 3	Week 4	CSMH values at the lesion surface at week 4
A	6.023	15.012	10.110	9.192	88.079 SD = 3.7
B	5.533	16.091	19.073	18.212	16.714 SD = 6.3
C	5.045	23.784	22.998	23.719	21.926 SD = 8.8
D	7.013	29.109	28.534	28.113	27.152 SD = 10.7
E	9.942	28.075	36.159	36.991	56.166 SD = 12.5
F	10.554	10.962	15.382	11.987	79.688 SD = 1.9

The average of the surface layer at week 4 for each group is given.