Sociedad Argentina de Endodoncia 24 ENDO – PERIO 1- Adriaens PA, De Boever JA, Loesche WJ.Bacterial invasion in root cementum and radicular dentin of periodontally diseased teeth in humans. J Periodontol 1988; 59 (4): 222-9 2- Christie W H, Holthuis A F. The endo-perio problem in dental practice: diagnosis and prognosis. J Can Dent Assoc 1990; 56 (11):1005-11 Review 3- Mandel E, Machtou P, Torabinejad M. Clinical diagnosis and treatment of endodontic and periodontal lesions. Quintessence Int. 1992; 24 (2): 135-9. 4- Ehnevid H, Jansson L, Lindskog S, Blomlof L. Periodontal healing in teeth with periapical lesions.A clinical retrospective study. J Clin Periodontol 1993; 20 (4): 254-8. 5- Jansson L, Ehnevid H, Lindskog S, Blomlof L. Relationship between periapical and periodontal status. A clinical retrospective study. J Clin Periodontol 1993; 20 (2): 117-23. 6- Spasser H F. A racional approach to perio-endo. Dent Today 1996; 15 (3): 5860 Review 7- Tseng C C, Harn W M, Chen Y H, Huang CC, Yuan K, Huang P H. A new approach to the treatment of true-combined endodontic-periodontic lesions by the guided tissue regeneration technique. J Endod 1996; 22 (12): 693-6 8- Chen SY, Wang HL; Glickman GN. The influence of endodontic treatment upon periodontal wound healing. J Clin Periodontol 1997; 24 (7):449-56. 9- Jansson LE, Ehnevid H. The influence of endodontic infection on periodontal status in mandibular molars. J Periodontol 1998; 69 (12): 1392-6. 10- Miyashita H, Bergenholtz G, Grondahl K, Wennstrom JL. Impact of endodontic conditions on marginal bone loss. J Periodontol 1998; 69 (2):158-64. 11- Rupf S, Kannengiesser S, Merte K, Pfister W, Sigusch B, Eschrich K. Comparisson of profiles of Reg. periodontal pathogens in periodontium and endodontium. Endod Dent Traumatol. 2000; 16 (6): 269-75. 12- Goldberg F, La Rosa ML, Cantarini C, Artaza L. Permeabilidad dentinaria luego del raspaje y alisado radicular terapéutico de mantenimiento. Rev .Asoc.Odont. Argent. 2002; 90 (1):34-7. 13- Seixas FH, Garrido AD, Vieira M L, Pecora J D, Saquy PC, Sousa-Neto M Clinical aspects of pulpal –periodontal lesions. Aust Endod J 2002; 28 (2): 82-5 14- Zehnder M, Gold SI, Hasselgren G. Pathologic interactions in pulpal and periodontal tissues J Clin Periodontol 2002; 29 (8): 663-71 Review 15- Rotstein I, Simon JHS. Diagnosis, prognosis, and decision-making in the treatment of combined periodontal-endodontic lesions. Periodontology 2004; 34:165–203. 16- Yuichiro Nairi, Atsushi Ehara, Takashi Kawahara, Naoki Tokimura and Shigeyuki Ebisu, Participation of bacterial biofilms in refractory and chronic periapical periodontitis. J Endod 2002; 28(10): 679-683. 17- Lin S, Tillinger G, Zuckerman O. Endodontic-periodontic bifurcation lesions: a novel treatment option. J Contemp Dent Pract 2008; 9(4):107-14