Table 2.
Mean (standard deviation) values of degree of conversion, flexural strength, elastic modulus, bond strength, and tensile cohesive strength of resin infiltrants.
| Groups | Degree of conversion (%) | Flexural strength (MPa) | Elastic modulus (GPa) | Bond strength (MPa) | Tensile cohesive strength (MPa) |
|---|---|---|---|---|---|
| Icon® | 50.4 (1.6) b | 62.4 (20.3) bc | 0.28 (0.10) de | 19.3 (1.4) a | 62.2 (2.0) a |
| T + B | 46.8 (1.9) bcd | 96.5 (20.9) a | 0.49 (0.10) a | 14.3 (1.4) b | 28.3 (6.6) cd |
| T + B +0.5DMSO | 47.9 (1.4) bc | 64.8 (15.6) bc | 0.35 (0.12) bcde | 14.1 (1.2) b | 12.3 (1.9) e |
| T + B +5DMSO | 42.8 (0.8) cd | 64.6 (4.9) bc | 0.28 (0.05) cde | 9.8 (1.9) c | 22.6 (0.9) d |
| T + B +0.5THF | 42.1 (3.2) d | 85.8 (14.4) b | 0.48 (0.10) ab | 13.8 (0.7) b | 39.6 (4.1) bc |
| T + B +5THF | 41.9 (3.9) d | 70.9 (17.8) b | 0.32 (0.04) cde | 13.6 (0.8) b | 30.0 (5.1) bcd |
| T + U | 61.2 (0.4) a | 96.1 (20.4) a | 0.39 (0.10) abcd | 14.4 (1.8) b | 30.0 (5.1) bcd |
| T + U +0.5DMSO | 61.9 (0.2) a | 45.7 (10.6) c | 0.25 (0.07) e | 16.2 (1.4) ab | 37.6 (15.2) bc |
| T + U +5DMSO | 61.5 (0.2) a | 18.5 (6.2) d | 0.07 (0.02) f | 9.7 (1.8) c | 38.2 (7.3) bc |
| T + U +0.5THF | 61.2 (0.2) a | 83.7 (18.5) b | 0.41 (0.08) abc | 16.1 (1.6) b | 40.9 (2.9) bc |
| T + U +5THF | 62.1 (0.3) a | 61.2 (17.8) bc | 0.34 (0.10) bcde | 14.0 (0.9) b | 42.3 (4.0) b |
Different letters in columns indicate statistically significant differences (p < 0.05). T: triethyleneglycol dimethacrylate; B: ethoxylated bisphenol A glycidyl dimethacrylate; U: urethane dimethacrylate (UDMA); DMSO: dimethyl sulfoxide; THF: tetrahydrofuran.