This book contains the fundamental details and clinical tips for a successful obturation in order to achieve a " fluid tight seal". moreover the "e&q master" from meta-biomed is used for thermoplastic obturation and the latest "guttaflow-2" from coltene is used as a cold flowable gutta-percha system. they are compared with conventional lateral condensation obturation technique. Upcoming projects:Coming in next issues *CBCT evaluation of different rotary root canal shaping instruments on terms of canal transportation *SMEAR layer removal in endodontics with different irrigating agents...