ULTRASONIC INSTRUMENT FOR ROOT CANAL TREATMENT AND RETREATMENT

摘要

The present invention relates to an ultrasonic instrument for root canal treatment and retreatment, which operates in cleaning, shaping and/or enlarging and removing the obturating material from the root canal system, and, more importantly, reaches areas that are not instrumented with rotary or reciprocating files, as well as areas of isthmi and anastomoses.