Surface | Median V1 (%) | Median V2 (%) | Difference of the medians (V2-V1) (%) |
---|---|---|---|
S1 = only demineralization with lactic acid | 11.86 | 14.87 | 3.01 a |
S2 = demineralization with lactic acid + remineralization with Karex | 9.89 | 13.46 | 3.57 b |
S3 = demineralization with lactic acid + remineralization with Elmex | 4.87 | 6.29 | 1.42 c |
S4 = demineralization with lactic acid + remineralization with Ajona | 8.66 | 11.90 | 3.24 d |