Root canal treatment is needed when the blood or nerve supply of a tooth is infected through decay or injury. The infection may spread through the root canal system of the tooth and this could lead to an abscess causing swelling of the tissues around the tooth and you may experience pain.
Root canal treatment is used to remove the infection from the root canal. The root is then cleaned and filled to prevent any further infection. If root canal treatment is not carried out, the infection will spread and the tooth may need to be taken out. Treatment usually involves 2 or more visits. After root canal treatment it may be necessary to restore the tooth with a crown to provide extra support and strength to the tooth as after treatment the tooth can be more brittle
Bacteria can get into this chamber either from dental decay or directly from the mouth if a filling is lost. Once bacteria are established, blood supply to the nerve diminishes and the tooth begins to die. When this happens the only way to save the tooth is to remove the infection and dying nerve – a procedure called root canal therapy. Unfortunately, antibiotics alone can’t kill the bacteria and the only option, other than root canal therapy, is to have the tooth extracted. Sometimes root canal therapy is also used to save a tooth a tooth with a large filling or crown or one that has suffered trauma.
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