[Clinical evaluation on the preparation of cured root canals with Reciproc and Pathfile rotary instruments].

Purpose: To evaluate the effect of cured molar root canal preparation using Reciproc and Pathfile rotary instruments.

Methods: From December 2012 to January 2013, 88 teeth with 273 root canals were randomly divided into three groups. In group A, root canals were prepared with Reciproc and Pathfile.