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warnings
When using this product, if irritation occurs discontinue use. Stop use and ask a dentist if the problem persists or worsens. Sensitive teeth may indicate a serious problem that may need prompt care by a dentist. Pain/sensitivity still persists after 4 weeks of use. Gingivitis, bleeding, or redness persists for more than 2 weeks. You have painful or swollen gums, pus from the gum line, loose teeth, or increasing space between teeth. These may be signs or symptoms of periodontitis, a serious form of gum disease.