Discuss ~American~~Patriot~'s answer to: How can i treat an infected tooth?

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  Step 1
  Look for swelling of the gums or cheeks as an early sign of infection. Some discoloration may be present as well.
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  Step 2
  Rinse the mouth three or four times daily with a mixture of 1 teaspoon salt and 1/2 liter warm water.
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  Step 3
  Apply cold packs to the cheek to minimize the pain.
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  Step 4
  Administer oral antibiotics immediately if evacuation is delayed. Before leaving for your trip, consult your physician for antibiotics used for tooth infections.
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  Step 5
  Evacuate immediately to a dentist or physician.

Read more:

How to Assess and Treat an Infected Tooth in the Wilderness | eHow.comhttp://www.ehow.com/how_9598_assess-treat-infected.html#ixzz0uZ9xh9Gc