PF • The only sticky, viscous PF gel for sustained whitening • Opalescence whitening gel includes PF (potassium nitrate and fluoride). Potassium nitrate has been shown to help reduce sensitivity. Fluoride has been shown to help reduce caries and strengthen enamel. Together they help to improve the overall health of the teeth.1–5 • Four concentrations (10%, 10%PF, 15%PF, 20%PF, and 35%PF) • Three flavors (Mint, Melon, and Regular) • Convenient delivery for easy application • 20% water helps prevent dehydration and shade relapse • University study proves gel stays active for 8–10 hours during overnight bleaching6

8 - 1.2ml syringes 1 - 1oz Opalescence® Whitening Toothpaste 1 - Tray case 1 - Shade guide and carryall bag Mint Melon Regular DOCTOR KITS 8 - 1.2ml syringes 1 - 1.2ml Ultradent® LC Block-Out Resin syringe and Black Mini® tip 2 - Sof-Tray 0.035ʺ 5ʺ x 5ʺ sheets 1 - 1oz Opalescence Whitening Toothpaste 1 - Tray case 1 - Shade guide and carryall bag 10% Mint #5376 Melon Regular #5378 REFILLS 40 - 1.2ml syringes 1 - Shade guide 1 Basting RT, Rodrigues AL Jr, Serra MC. The effects of seven carbamide peroxide bleaching agents on enamel microhardness over time. J Am Dent Assoc. 2003;134(10):1335-42....