Elgydium tooth decay protection toothpaste helps to effectively prevent tooth decay by strengthening tooth enamel and reducing plaquewhat causes tooth decay tooth decay also known as cavities is a very common dental problem in children and teenagers but also in adultsit is caused by bacterial plaque which converts sugars from food into acids causing demineralisation of tooth enamel and attacks to other tooth tissues ultimately resulting in the formation of cavities tooth decay can be eas