Root Canal Treatment (Endodontics)
Endodontics is a branch of dentistry that deals with treating irreversible and reversible conditions of teeth. The most common procedure performed is root canal treatment. Endodontic therapy also consists of root canal re-treatment, endodontic surgery and endodontic cosmetic procedure such as non-vital bleaching of a tooth.

A tooth needing root canal treatment or re-treatment can show a wide range of symptoms and diagnostic findings. Pain and swelling are the most common.

Patients usually associate root canal treatment with severe discomfort. Most procedures are painless with proper administration of local anesthesia.

Necrotic "DEAD" Tooth

-the term necrotic in simple terms means dead

-it refers to the dying  of live tissue within the tooth such as nerves and vessels

Cause:

-tooth necrosis can be caused by: 

          -trauma

          -large cavity (bacteria causes inflammation within the tooth)

         -long standing inflammation within the tooth due to trauma or bacteria 

Treatment: 

-it is aimed at cleaning the canal of the tooth to eliminate the dead tissue. 

-a filler material is placed in the tooth to create a tight seal at the opening to the root

-this is performed to seal any bugs or other bad substances within the tooth

-without a good seal the bugs can  cause inflammation and swelling

-poor seal is the main reason for pain and swelling after root canal treatment

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