Dental living organ that contains nerves and blood vessels. In the middle of each tooth, is a tissue called the pulp. When teeth affected by decay, it began to attack the enamel (the hard tissue, white, covering the visible part of the tooth) and then attack the pulp. this tooth in danger of collapse completely.
Symptom
Tooth decay should be started the hollow, it is difficult to clean. First destroy the enamel and create a cavity. At this stage, no pain. Then the line continues to the pulp tissue (dentin), enlarged cavity and allows the bacteria to attack the tooth pulp in the middle of barren. Finally, be sensitive to contact with cold and heat, and after contact with the sugar. If untreated, the damage will cause damage to teeth, spreading to the adjacent teeth and can infect the underlying bone.