Evaluation of the cleanliness of root canals and the
adaptability of root canals filling material after using the XP
Endo finisher and passive ultrasonic irrigation during
retreatment

Thesis submitted in partial fulfillment of the requirement for the Master Degree in Endodontics

By
Mahmoud El-Sayed Badawy Ahmed
B.D.S 2008 G, Al Azhar University
Demonstrator, Department of Endodontics Faculty of Dental Medicine, Boys, Cairo
Al Azhar University

Department of Endodontics
Faculty of Dental Medicine, Boys, Cairo
Al Azhar University
2017G-1438H