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warnings
WARNINGS: When using this product for sensitivity , do not use longer than 4 weeks unless recommended by a dentist. Stop use and ask a dentist if the sensitivity problem persists or worsens. Sensitive teeth may indicate a serious problem that may need prompt care by a dentist. Keep out of children. If more than used for brushing is accidentally swallowed, get medical help or contact a Poison Control Center right away. Stop use and ask a dentist if • 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 spacing between the teeth. These may be signs of periodontitis, a serious form of gum disease.