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特許 権利維持 Dental caries (caries is Latin for "rottenness"[1]), also known as tooth decay, cavities, or caries, is a breakdown of teeth due to activities of bacteria.[2] The cavities may be a number of different colors from yellow to black.[3] Symptoms may include pain and difficulty with eating.[3][4] Complications may include inflammation of the tissue around the tooth, tooth loss, and infection or abscess formation.
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