Dental Caries: Assessment and TreatmentAbout This Hardback Dental caries is the breakdown of teeth caused by acids made by bacteria. The cavities may vary in color from yellow to black. Its symptoms are pain and difficulty in eating. Complications related to dental varies can cause tooth loss, inflammation of the tissue around the tooth and abscess formation. The acids formed by bacteria when they breakdown food debris or sugar on the tooth surface dissolve the hard tissues of the teeth