Evaluation of Postoperative pain in mandibular first molar after
instrumentation using Files with different metallurgy and different
motions with or without irrigant activation.


Thesis submitted in partial fulfillment of the requirements for
the Master Degree in Endodontic

By
Ali Omar Bazuhair
B.D.S, 2001 G, University of Science And Technology In Sanaa
Department of Endodontics
Faculty of Dental Medicine, Boys, Cairo
Al-Azhar University


Supervisors
Prof. Taher Medhat Islam
Professor, Department of Endodontics
Faculty of Dental Medicine, Boys,
Cairo Al–Azhar University

Dr. Moataz- Bellah Ahmed AlKhawas
Associate Professor, Department of Endodontics
Faculty of Dental Medicine, Boys, Cairo Al–
Azhar University