While a severe, throbbing toothache is often a sign that you need a root canal, you may still need one even if your tooth feels fine. Dentists use root canals to eliminate dental infections that have spread to the pulp at the center of the tooth. While these infections often cause the nerves within the pulp to send pain signals to the brain, not every infection will have this result. Here’s why you may still need a root canal if your tooth feels fine.
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