Table 6.
Mean (SD) surface hardness (kg/mm2) of Valiant-Ph.D. immersed in various storage media over a period of 7 days.
| Mean (SD) surface hardness (kg/mm2) | |||||||
|---|---|---|---|---|---|---|---|
| Storage media | Before immersion | 6 hours | 1 day | 2 days | 3 days | 4 days | 7 days |
| Deionized water | 99.78 (2.59) | 116.67 (5.28)* | 196.87 (6.41)* | 198.68 (6.69)* | 200.77 (7.12)* | 199.18 (3.46)* | 200.83 (7.95)* |
| Citrate buffer solution | 99.52 (4.01) | 116.45 (3.11)* | 198.86 (5.54)* | 198.54 (6.02)* | 191.69 (9.15)* | 195.02 (7.01)* | 193.61 (8.48)* |
| Green mango juice | 98.59 (1.74) | 105.14 (2.45)* | 188.41 (5.98)* | 185.88 (4.53)* | 190.06 (8.08)* | 193.07 (3.29)* | 191.99 (5.76)* |
| Pineapple juice | 98.76 (2.39) | 122.56 (4.68)* | 197.26 (4.65)* | 196.48 (2.08)* | 197.66 (7.14)* | 191.67 (3.01)* | 192.57 (3.25)* |
*
indicates significant difference compared to before immersion for each storage media (in rows) according to Tukey HSD test (P<.05).