Tooth decay and cavities are among the world’s most common oral health problems. There are two big causes of tooth decay, sugary food intake and the plaque bacteria that breaks it down to release acid (that rots the tooth). Getting tooth decay can be a sign of a lack of oral hygiene and/or getting too much sugary foodstuff in your diet. With this simple and powerful tooth mask you will stop the process of tooth decay, heal it naturally and also during the process your teeth will get whiter.