Comparative bacteriologic study of five root canal sealers

5 root canal sealers were tested bactariologically against four micro-organisms commonly found in the root canals these were Streptococcus veridans, Staphylococcus aureus, E. coli, and Candida albicans, The sealers tested were kerr Tubli seal, Diaket, No genol, Roth sealer and zinc oxide-eugenol. Diaket and sealers containing eugenol gave the best results where as no genol and tubli seal gave the narrowest zones of inhibition