Table 1. Means and standard deviation of the initial and final pH values of the study groups.

Groups	Time of measurement	Mean ± Standard Deviation*
TBO35HL	Initial Final	6.42±0.27A 6.01±0.11B
LPS35HL	Initial Final	7.08±0.25C 6.11±0.11B
LPS25HL	Initial Final	7.12±0.05C 6.42±0.08A
LPL15HL	Initial Final	7.59±0.08D 7.47±0.07D
EXP10VHL	Initial Final	9.23±0.05E 8.99±0.07F

*Different capital letters indicate a statistically significant difference between lines, at the level of 5% calculated by the Tukey´s method