Group A | 37% of phosphoric acid + primer + Bonding immediately (negative control) |
Group B | Self-etching primer + Bonding immediately (positive control) |
Group C | Gel1 + primer + Bonding immediately |
Group D | Gel2 + primer + Bonding immediately |
Group E | Gel3 + primer + Bonding immediately |
Group F | Gel4 + primer + Bonding immediately |
Group K | Gel1 + Bonding immediately |
Group L | Gel2 + Bonding immediately |
Group M | Gel3 + Bonding immediately |
Group N | Gel4 + Bonding immediately |