NI-TI ALLOY FILE FOR ULTRASONIC CLEANING OF ROOT CANAL

摘要

Provided, according to one embodiment of the present invention, is a file that can be used for cleaning a root canal by using ultrasonic energy. A file according to one embodiment of the present invention is formed of a Ni-Ti alloy and is heat-treated so as to include an R-phase at a temperature range of 36℃ to 45℃.