Patients typically don't feel pain after a root canal, but they may experience tooth discomfort and sensitivity, as stated by WebMD. Patients can usually relieve the discomfort with an over-the-counter pain reliever, suc... More » Health Pain & Symptoms

To treat the pain after a root canal, a dentist may recommend over-the-counter medications such as ibuprofin and acetaminophen, or may prescribe a stronger prescription painkiller, according to WebMD. The throbbing norma... More » Health Dental

While some pain and tenderness is common after a root canal, severe pain and pressure that lasts more than a few days can indicate a problem that needs to be addressed by a dentist, according to WebMD. Possible causes fo... More »

Severe, persistent tooth pain, sensitivity to heat, swelling on the gum and pain when touching or biting down on a tooth are symptoms that indicate the potential need for a root canal, according to More »

The most common causes that necessitate a root canal are irritation and inflammation of the tooth's nerve and pulp, according to WebMD. These irritations are caused by repeated dental procedures, deep decay, a crack or c... More » Health Pain & Symptoms

People with darkened teeth, tender and swollen gums, persistent acne on the gums, extended sensitivity to cold or heat in the mouth, or who experience severe pain when chewing exhibit symptoms indicating that a root cana... More »

Symptoms of tooth nerve pain include discomfort during chewing; swelling of the jaw or around a tooth; injury around the tooth nerve; bleeding of the gums; and sensitivity to hot or cold exposure, states eMedicineHealth.... More » Health Pain & Symptoms