Table 2.
Adhesive systems and adhesive treatment (BAC: benzalkonium chloride).
|
Adper Scotchbond 1XT (3M ESPE, St. Paul, MN, USA) |
(1) Phosphoric acid etching (Scotchbond Universal Etchant; lot number: 568712; 35% phosphoric acid) |
15 s |
| Water spray | 10 s | |
| Blot dry (cotton pellet) | — | |
| (2) Adper Scotchbond 1XT (3 coats; lot number: N597610; BisGMA, HEMA, dimethacrylates, a methacrylate functional copolymer of polyacrylic and polyitaconic acids, ethanol, water, initiators, silane treated silica) (i) without/with 1% BAC |
15 s | |
| Short air dry | (~5 s) | |
| (3) Light-cure | 10 s | |
|
| ||
|
OptiBond FL (KerrHawe, Scafati, Italy) |
(1) Phosphoric acid etching (Kerr Gel Etchant; lot number: 5329366; 37.5% phosphoric acid) |
15 s |
| Water spray | >15 s | |
| Air dry | >3 s | |
| (2) OptiBond Prime (lot number: 5296441; HEMA, GPDM, MMEP, ethanol, water, photoinitiator) (i) without/with 1% BAC |
15 s | |
| Short air dry | (~5 s) | |
| (3) OptiBond Adhesive (lot number: 5344022; BisGMA, HEMA, GPDM, photoinitiator, filler) | 15 s | |
| Short air dry | (~3 s) | |
| (4) Light-cure | 10 s | |