1. Cleaning and shaping the root canal;Schilder;Dent Clin North Am,1974
2. Filling root canals in three dimensions;Schilder;Dent Clin North Am,1967
3. The dependence of the results of pulp therapy on certain factors;Strindberg;Acta Odontol Scand,1956
4. Coronal leakage as a cause of failure in root-canal therapy: a review;Saunders;Endod Dent Traumatol,1994
5. The influence of the method of canal preparation on the quality of apical and coronal obturation;Allison;J Endodon,1979