CariFree CTx4 Treatment Rinse utilizes 4 of the 5 known cariogenic biofilm therapy agents. It contains neutral sodium fluoride, xylitol, sodium hypochlorite, and pH neutralization technology. The CariFree CTx line is a total caries management system with items designed to fit patients’ specific caries risks. Visit to sign up for a free CariFree CAMBRA Consult. For more information, call (866) 928-4445.