Enamel decay takes place in several stages and begins with the formation of cavities so that early action can prevent its progress. Hard and mineral coating to protect the pulp and dentin of the tooth, protecting the soft inner layers of the tooth.... and when acids attack the tooth enamel **this name changes the first sign of tooth enamel*... tooth enamel is the hardest substance in your body... it is a crystal-like substance that is more than a mineral called It is made up of hydroxyapatite, which contains smaller amounts of similar minerals.. The natural color of tooth enamel ranges from light grayish yellow to white.. Since it is semi-transparent, the color of the inner surface of the tooth contributes to its overall appearance.. Tooth enamel does not contain living cells, so you will not feel the first signs of decay.. has had... sugar and starch in food and plaque stick to it... it turns food into lactic acid which causes tooth enamel to demineralize.... **Stages of tooth enamel decay** Enamel decay is reversible in the early stages....but cavities develop very quickly and only a dentist can treat the damage....when lactic acid breaks down your enamel minerals, the surface turns white, but unfortunately it's not the white you want....the first sign of decay is actually a white spot on the tooth and at this stage, improving your habits and improving your oral hygiene is very important....and third, enamel decay, explains the University of Rochester Medical Center that the affected area turns light brown and then darkens... The enamel then recedes and allows acids to enter the soft interior of the tooth through the cavity... Without treatment, the cavity enlarges and the tooth becomes painful.. The enamel can grow back, but in the remaining areas, this regeneration is done with the help of fluoride.. According to the University of Santa Barbara, enamel grows crystals repeatedly and even in the presence of small amounts of Fluoride and acids containing Plasco renews itself.. containing fluoride can prevent tooth decay.