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Sea salt is helpful for tooth pain, and you can make a sea salt rinse for your mouth. To make the rinse, dissolve teaspoon of sea salt in four ounces of warm water. Hold the solution in your mouth over the painful tooth for 30 to 60 seconds. Spit it out and repeat two to three times. You can also add antibacterial substances to this mixture to reduce the pain. Mix salt water, propolis, and mouthwash in equal qualities. Rinse your mouth with warm water afterwards. Make sure not to swallow the rinse. You can do this three to four times a day. Apple cider vinegar has antiseptic properties that can help alleviate tooth pain. To make an apple cider vinegar rinse, mix cup of warm water and 1/4 cup of apple cider vinegar. Hold the solution in your mouth over the painful tooth for 30 to 60 seconds. Spit it out and repeat 2-3 times. Do not swallow the water-vinegar mixture. Rinse with warm water afterwards. You can do this three to four times a day. Rinse your mouth with 3% solution of hydrogen peroxide. Swish it around your mouth for 30 to 60 seconds and then spit it out. Make sure not to swallow this solution. Avoid alcohol, as it can cause severe dehydration or even burns on your soft tissue.

Summary:
Use a sea salt rinse. Make an apple cider vinegar rinse. Try hydrogen peroxide.