| Toothpaste | Dentine bonding agent | n | Mean (SD) |
| Pumice | SingleBond | 10 | 7.09 (1.90) |
| PQ1 | 10 | 7.12 (2.86) | |
| Colgate pro-relief | SingleBond | 10 | 5.71(2.25) |
| PQ1 | 10 | 7.27 (2.40) | |
| Sensodyne rapid relief | SingleBond | 9 | 9.07 (3.17) |
| PQ1 | 10 | 5.82 (2.98) |