How Frequently To Use Opalescence 35 Gel As Maintenance?

How Frequently To Use Opalescence 35 Gel As Maintenance? Lightly tap tray to adapt sides to teeth. Unless directed otherwise, wear Opalescence 10% for 8-10 hours or overnight, Opalescence 15% for 4-6 hours, Opalescence 20% for 2-4 hours, and Opalescence 35% for thirty minutes. Remove Excess gel with clean finger or soft toothbrush. Rinse twice;