Table 1 Composition of adhesive systems used in this study (information supplied by the MSDS of each manufacturer) and their batch number
Adhesive system | Composition | Lot number |
|---|---|---|
Gluma Comfort Bond + Desensitizer | Phosphoric acid: 35 % Adhesive: 2-hydroxyethyl methacrylate, poly(methacrylic-oligo-acrylic acid), 4-methacryloxyethyltrimellitic acid anhydride, glutaraldehyde, ethanol | 010111 |
Optibond FL | Phosphoric acid: 37.5 % Primer: 2-hydroxyethyl methacrylate, glycerol phosphate dimethacrylate, mono-2-methacryloyloxyethyl phthalate, water, ethanol Adhesive resin: bisphenol A diglycidyl methacrylate, 2-hydroxyethyl methacrylate, glycerol dimethacrylate, filler (fumed SiO2, barium aluminoborosilicate, Na2SiF6) | 3437986 |
One Coat Bond SL | Phosphoric acid: 35–40 % Adhesive: 2-hydroxyethyl methacrylate, hydroxypropyl methacrylate, methacrylate modified polyacrylic acid, urethane dimethacrylate, glycerol dimethacrylate, amorphous silicic acid, water, initiators and stabilizers | 0175578 |
Peak Universal Bond | Phosphoric acid: 35 % Adhesive: 2-hydroxyethyl methacrylate, methacrylic acid, ethyl alcohol, chlorhexidine (0.2 %) | PKCX C42MD |