Table 3.

Mean and Standard Deviations (SD) of Integrated Areas of Organic/PO₄ Enamel Content for Each Group and Period of Treatment

Group	Pre-treatment	First cariogenic challenge	Second cariogenic challenge
Control	0.46 (0.11)	0.51 (0.20)	0.48 (0.22)
Cream	0.45 (0.15)	0.35 (0.16)	0.39 (0.13)
Laser	0.61* (0.26)	0.42* (0.17)	0.32* (0.10)
Cream + laser	0.42* (0.17)	0.34* (0.16)	0.39 (0.21)
Cream + laser + fluoride	0.52* (0.30)	0.43* (0.26)	0.39* (0.23)
Cream + fluoride	0.46 (0.24)	0.39 (0.14)	0.35 (0.22)

Asterisks denote statistically significant differences between treatments.