Root canal is a treatment to repair and save a badly damaged or infected tooth. The procedure involves removing the damaged area of the tooth (the pulp), cleaning and disinfecting it and then filling and sealing it.  Sometimes a pimple develops near the tooth. This pimple will often go away and then come back.This is called a fistula. You may notice pus draining from the fistula. The fistula is a sign that there is an infection and your body is draining it out through the pimple. There is usually no pain in this situation, but you may notice a bad taste or odor in your mouth.


The common causes affecting the pulp are a cracked tooth.A deep cavity.

Repeated dental treatment to the tooth or trauma.


The term "root canal" comes from cleaning of the canals inside the tooth's root. What to Expect During a ROOT CANAL. If you think you need a root canal, consult your dentist. There are a number of steps that occur over a few office visits.

1.     X-ray

2.     Anesthesia 

3.     Pulpectomy –the diseased tooth pulp is removed.

4.     Filling