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Dental caries are the tooth decay or cavities due to breakdown of teeth as a result of bacterial activity. The colour of the infected teeth varies from yellow to black. Upon ignorance at initial stage, may lead to inflammation of tissue around the teeth, tooth loss and abscesses formation.
Dental caries is the scientific term for tooth decay or cavities. It is caused by specific types of bacteria. They produce acid that destroys the tooth's enamel and the layer under it, the dentin. Many different types of bacteria normally live in the human mouth. They build up on the teeth in a sticky film called plaque. This plaque also contains saliva, bits of food and other natural substances. It forms most easily in certain places.