1Sjoren U, Figdor D, Persson S etal. Influence of infection at the time of root filling on the outcome of endodontic treatment of teeth with apical periodontitis. Int Endod J 1997; 30(5): 297-306.
2Rucucci D, Siqueira JF Jr. Biofilms and apical periodontitis: study of prevalence and association with clinical and histopatholosic findings. J Endod 2010; 36(8): 1277-1288.
3Haapasalo M, Endal U, Zandi H et al. Eradication of endodontic infection by instrumentation and irrigation solution. Endod Topics 2005; 10(1): 77-102.
4Siren EK, Haapasalo MPP, Ranta K et al. Microbial findings and clinical treatment procedures in endodontic cases selected for microbiological investigation. Int EndodJ 1997; 30(2): 90-95.
5Sedgley CM, Lennan SL, Appelbe OK. Survival of Enterococcus faecalisin root canals ex vivo. Int Endod J 2005; 38(10): 735-742.
6Chivatxaranukul P, Dashper SG, Messer HH. Dentinal tubule invasion and adherence by Enterococcus faecalis. Int Endod J 2008; 41( 10): 873-882.
7Distel JW, Hatton JF, Gillespie MJ. Biofilm formation in medicated root canals. J Endod 2002; 28(10): 689-693.
8Giardino L, Ambu E, Savoldi E etal. Comparative evatuation of antimicrobial efficacy of sodium hypochlorite, MTAD, and Tetraclan against Enterococcus faecalis biofilm. J Endod2007; 33(7): 852-855.
9Arias-Moliz MT, Ferrer-Luque CM, Espigares-Garcia Met aL Enterococcus faeca/is biofilms eradication by root canal irrigants. J Endod 2009; 35(5): 711-714.
10Bystrom A, Sundqvist G. Bacteriologic evaluation of the efficacy of mechanical root canal instrumentation in endodontic therapy. Scand J Dent Res 1981; 89(4): 321-328.