Table 2.

Bonding systems and RXU application procedures.

Optibond FL 3-step Etch and Rinse	(1) Apply 37.5% phosphoric acid to dentin surface for 15 seconds. (2) Etchant rinsed with air and water spray for 20 seconds. Gentle air drying for 5 seconds. Care taken not to desiccate the dentin. (3) Apply OptiBond FL Prime (Bottle #1) to dentin surfaces with a light scrubbing motion for 15 seconds. Gently air dry with the high-volume suction for approximately 5 seconds. (4) Apply OptiBond FL Adhesive (Bottle #2) overexposed dentin uniformly creating a thin coating. (5) Light cure for 20 seconds. (6) Application of RelyX.
One Coat Bond 2-step Self-Etch	(1) Apply self-etching primer for 20 seconds applied with rubbing motion to dentin surface. (2) Air dry for 2 seconds. (3) Apply Bond for 20 seconds applied with rubbing motion to dentin surface. (4) Air dry for 2 seconds. (5) Light cure for 20 seconds. (6) Application of RelyX Unicem.
Single Bond 2-step Etch and Rinse	(1) Apply 37.5% phosphoric acid to dentin surface for 15 seconds. (2) Etchant rinsed with air and water for 20 seconds. (3) Dentin-blotted dry of excess water. (4) Apply 2 consecutive coats of single bond for 15 seconds each with gentle agitating. (5) Air dry for five seconds to evaporate solvent. (6) Light cure for 20 seconds. (7) Apply RelyX Unicem.
Go! 1-step Self-Etch	(1) Clean and blot dry tooth surface. (2) Apply to dentin for 20 seconds. (3) Air dry for 5 seconds. (4) Light cure for 10 seconds. (5) Apply RelyX Unicem.
RelyX Unicem (RXU)	(1) Clean tooth surface with pumice and water. (2) Air dry 2-3 seconds to remove pooled water. (3) Apply RelyX Unicem.