TY - BOOK AU - Mavani Harshit TI - Comparative Evaluation of Efficacy of Different File Systems for Removing Thermoplasticized Root Canal Obturating Material in Single Rooted Teeth with and Without Ultrasonic Activation in Endodontic Retreatment - an in- Vitro Study U1 - 617.5 PY - 2020///-23 CY - Piparia Vadodara PB - Sumandeep Vidyapeeth KW - CONSERVATIVE & ENDODONTICS ER -