1. Isotope determination of root canal failure;Dow;Oral Surg,1955
2. Sealing of pulpless teeth evaluated with radioisotopes;Marshall;J Dent Med,1961
3. Anatomy of the root canals of the teeth of the permanent dentition;Hess,1925
4. The morphology of the prepared root canal: a study utilizing injectable silicone;Davis;Oral Surg,1972
5. Gutta-percha root canal fillings: an in vitro study;Brayton;Oral Surg,1973