Group A | 37% of phosphoric acid + primer + bonding immediately (negative control) |
Group B | Self-etching primer + bonding immediately (positive control) |
Group C | Gel 1 + primer + bonding immediately |
Group D | Gel 2 + primer + bonding immediately |
Group E | Gel 3 + primer + bonding immediately |
Group F | Gel 4 + primer + bonding immediately |
Group K | Gel 5 + primer + bonding immediately |
Group L | Gel 6 + primer + bonding immediately |
Group M | Gel 7 + primer + bonding immediately |