Retratamento endodôntico

Abstract

The endodontic retreatment is a procedure that is performed whenprevious treatment has failed. There are several causes that maylead to retreatment, including: poor access to canal , leakage offilling material, persistent pain and swelling, radiolucent areapreviously nonexistent among others. To perform the endodonticretreatment there are several techniques. Used may be mechanical,thermal and chemical. Recently been introduced into endodonticpractice the use of nickel titanium files for retreatment. The mainobjective of this technique is to reduce the time spent in the removalof filling material from root canals. This study aimed to review theliterature on the techniques used in endodontic retreatment.