Research Article

Effect of Heat Softening versus Ultrasonic Removal of Root-End Gutta-Percha on the Quality of Root-End Preparation for Endodontic Microsurgery

Figure 1

Sketch map of the modified plugger of heat carrier. (a) Working tip with a length of 3 mm and diameter 0.4 mm. (b) Prebent connector with a length of 15 mm. (c) Prebent connector 2 with a length of 6 mm. (d) Heat carrier connecting handle bayonet. (e) Cordless conductor. () 120-150°.