Biotene PBF Plaque - Biofilm Dissolving Mouthwash. Plaque is a biofilm created by bacteria to hide within, if not controlled, plaque can lead to hard to remove tartar, excessive bacterial growth, tooth decay, gum disease, and bad breath. Biotene PBF's breakthrough chemistry dissolves excessive plaque - biofilm, freshens breath longer and brings out the natural whiteness in teeth. The all - new mouthwash also contains Biotene's proven LP3 salivary enzyme system to strengthen the natural antibacterial system found in saliva. Biotene PBF mouthwash is alcohol free, sweetened with Xyitol to fight cavities and does not include any SLS or chlorine compounds. Essential for anyone with dry mouth or oral irritations, now your patients can prevent the build - up of excessive plaque-biofilm for better dental checkups and easier cleanings.