8 x 1. The analysis indicates that around 100 reviews were positive while around 0 of reviews had negative sentiment. The carbamide peroxide in Opalescence PF teeth whitening gel whitens teeth by chemically removing discoloration deep in the enamel and dentin.Sticky, viscous gel won’t migrate to soft tissues and ensures tray stays securely in place.Three flavors: Mint, Melon, and Regular.Read honest and unbiased product reviews from our users. Five concentrations for treatment flexibility Find helpful customer reviews and review ratings for Opalescence PF - Teeth Whitening Gel Syringes 35 Mint - Teeth Whitening, Oral Health - 12 Syringes at.Formulated to prevent dehydration and shade relapse.Opalescence tooth whitening gel contains PF (potassium nitrate and fluoride).With five concentrations and three flavors, patients can completely customize their whitening experience. The gel contains 20% water to prevent dehydration, and the sticky, viscous formula helps keep the gel and tray in place. With its easy syringe delivery, Opalescence PF whitening gel is easily customizable for each patient’s individual situation. Ultrasonic Cleaning Units & Accessoriesįor use with customized take-home whitening trays, Opalescence PF tooth whitening gel offers many options for patients.Oral Pathology Diagnostics & Accessories.