1. Conventional endodontics and the operating microscope;Saunders;DCNA,1997
2. Sophomore endodontics preclinical lecture and laboratory manual;Rivera,1997
3. Principles and practice of endodontics;Walton,1996
4. Anatomy and morphology of human teeth. Research summary pamphlet;Bjorndal,1987
5. The anatomy of the root canals of the teeth of the permanent dentition, Part I;Hess,1925