What symptoms may indicate the need for a root canal?

When the pulp (soft tissue inside your teeth containing blood vessels, nerves and connective tissue) becomes inflamed or diseased, root canal treatment is necessary. If the infected pulp is not removed, pain and swelling can result. Then, your tooth may have to be removed. 
You might need a root canal if you have a tooth that's become infected with bacteria. An infected or decaying tooth gives off plenty of signals that you should see your dentist. Your tooth may feel more sensitive to hot or cold foods, you may develop a toothache, or your face, gums, or neck might swell up.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.