assalamualaikum wr wb.. good morning!! ----- Removal of Gutta percha obuturation with ultrasonic and rotary file approach more videos are available at http://youtube.com/riosuryantoro follow my instagram at http://instagram.com/riosuryantoro ----- this is only educational video to show the ability of one curve rotary file to remove gutta percha obturation with initial placement of GP solvent and agitation of ultrasonic device (ultrax from eighteeth), this one curve file is capable in removing the gutta percha yet still maintain its ability to stay centre inside root canal anatomy. please note not to try this way without practicing, please practice in the model at first prior to try this action. ----- SUBSCRIBE to my channel to get the latest video! ----- regards, Rio Suryantoro, drg., SpKG (endodontist / conservative dentistry enthusiast from Jakarta-Indonesia)