Table 4. The pH variation in MTA and CEM cements after immersion in SBF for 1, 7 and 14 days .
| Group | pH on day 1 | pH on day 7 | pH on day 14 | |
| 1 | MTA | 7.98±0.01 | 8.55±0.02 | 9.15±0.15 |
| 2 | MTA + 5% CaCl 2 | 8.04±0.02 | 8.71±0.09 | 9.32±0.2 |
| 3 | MTA + 5% NaF | 8.32±0.02 | 9.00±0.01 | 9.36±0.01 |
| 4 | MTA + 5% CaO | 8.04±0.005 | 8.65±0.1 | 9.3±0.2 |
| 5 | MTA + 5% Ca( NO 3 ) 2 | 7.97±0.02 | 8.46±0.11 | 9.21±0.1 |
| 6 | CEM | 7.66±0.01 | 8.03±0.02 | 8.3±0.01 |
| 7 | CEM + 5% CaCl 2 | 8.26±0.01 | 8.9±0.04 | 8.95±0.06 |
| 8 | CEM + 5% NaF | 7.81±0.009 | 8.85±0.04 | 9.29±0.32 |
| 9 | CEM + 5% CaO | 8.43±0.01 | 8.88±0.08 | 9.2±0.05 |
| 10 | CEM + 5% Ca( NO 3 ) 2 | 8.28±0.01 | 9.1±0.1 | 9.31±0.09 |