New ways to fight perio infection subgingivally are making headway.
O'Hehir
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D000900:Anti-Bacterial Agents / Q000008:administration & dosage*; D003692:Delayed-Action Preparations; D006801:Humans; D010510:Periodontal Diseases / Q000188:drug therapy*; D010514:Periodontal Pocket / Q000188:drug therapy; D013752:Tetracycline / Q000008:administration & dosage*
D000900:Anti-Bacterial Agents; D003692:Delayed-Action Preparations; D013752:Tetracycline