2Waltimo T M,Siren E.K,Torkko H L,et al.Fungi in therapy-resistant apical periodontitis.Int Endod J,1997,30(2):96
3Sen B H,Safavi KE,Spangberg LS.Growth patterns of candida albicans in relation to radicular dentin.Oral Surg,Oral Med Oral Pathol Oral Radiol Endod,1997,84(1):68
4Leonardo M R,Rossi M A,Silva L A,et al.EM evaluation of bacterial biofilm and microorganisms on the apical external root surface of human teeth.J Endod,2002,28(12):815
5Georgopoulou M,Kontakiotis E,Nakou M.In vitro evaluation of the effectiveness of calcium hydroxide and paramono chlorophenol on anaerobic bacteria from the root canal.Endod Dent Traumatol,1993,9(6):249
6Leonardo M R,da Silva L A,Tanomaru Filho M,et al.In vitro evaluation of anfimicrobial activity of sealers and pastes used in endodontics.J Endod,2000,26(7):391
7Barthel C R,Zimmer S,West G.Bacterial leakage in obturated root canals following the use of different intracanal medicaments.Endod Dent Traumatol,2000,16(6):282