Table 2.
DMA Results of Two/Three-component PI Dentin Adhesive in Dry Condition
| Run | Storage Modulus (MPa) | Rubbery Modulus (MPa) |
Tga(°C) | |
|---|---|---|---|---|
| 25 °C | 37 °C | |||
| C0-2PI | 4503 (85) | 4251 (93) | 32.3 (1.1) | 149.8 (0.6) |
| E1-2PI | 4230*(88) | 4060 (99) | 34.6*(0.9) | 145.8*(0.9) |
| E2-2PI | 4065*(73) | 3872*(84) | 34.8*(0.3) | 141.5*(0.3) |
| C0-3PI | 4074 (54) | 3909 (65) | 27.6 (0.2) | 149.4 (0.5) |
| E1-3PI | 3863 (80) | 3724 (64) | 29.6# (0.6) | 145.0#(1.1) |
| E2-3PI | 3680#(136) | 3543#(132) | 29.7# (1.0) | 139.1#(1.4) |
a
Tg is obtained from the maximum value on the tanδ vs. temperature profile.
*, #
significantly (p<0.05) different from control C0-2PI and C0-3PI, respectively.