If for some reason, an infection persists at the root tip in spite of conventional root canal treatment, it may be necessary to clean out the infected root tip surgically to remove all the infection..
 
 
The tooth and surrounding areas are anesthetized.
A small opening is made near the tooth by reflecting the gum tissue away from the tooth.
 
 
The infected root tip is removed.
A small filling is placed at the root tip to seal it.
The opening in the gum is closed

 

   
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