Enamel Subsurface Lesions Depths There were no significant differences in changes in mean lesion depths (LDd−LDr) following treatment with TM (22.09 ± 6.46 μm) and TMP (33.23 ± 10.73 μm) ( p > 0.05), although there was a clear trend of a greater effect with TMP, as shown in Figure 2 .
1
—
—