Table 2.
Mean flexural strength ± standard deviations (SD) of IPS d.SIGN and IPS e.max Ceram
| Group | Mean flexural strength (MPa) ± SD | |
|---|---|---|
| IPS d.SIGN | IPS e.max Ceram | |
| Deionized water (control) | 48.41±7.04a | 71.07±12.16a |
| Citrate buffer solution | 51.48±10.82b | 67.69±12.73b |
| Pineapple juice | 51.06±9.57c | 64.28±14.98c |
| Green mango juice | 47.78±13.18d | 77.05±9.58d |
| Cola soft drink | 53.25±9.43e | 63.59±10.66e |
| 4% Acetic acid | 52.37±9.49f | 65.95±12.17f |
| 4% Acetic acid, 16 h | 50.59±7.82g | 66.54±11.14g |
| Dry condition | 55.3±12.63h | 78.60±11.97h |
a-h
Same superscript letters in columns indicate no significant difference (Tukey's HSD test; α=0.05).