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Periodontal disease is caused by bacteria growing beneath the gum line.
Tetracycline works by keeping the number of bacteria from growing. Lowering the amount of bacteria helps to reduce inflammation and swelling in your mouth, and the amount of bleeding around the teeth. Tetracycline fibers are placed in the inflamed mouth areas by your dentist after he or she has thoroughly cleaned your teeth. In deciding to use a medicine, the risks of using the medicine must be weighed against the good it will do. This is a decision you and your dentist will make.