1. Filling root canals in three dimensions;Schilder;Dent Clin North Am,1967
2. Clinical radiographic and histologic perspectives on success and failure in endodontics;Gutmann;Dent Clin North Am,1992
3. The prevalence and technical quality of endodontic treatment in an American subpopulation;Buckley;Oral Surg Oral Med Oral Pathol Oral Radiol Endod,1995
4. Instruments, materials and devices;Spångberg,1998
5. Biologic effects of dental material;Spångberg;Oral Surg Oral Med Oral Pathol Oral Radiol Endod,1973