1Piattelli A, Vrespa G, Petrone G, et al. Role of the microgap between implant and abutment: A retrospective histological evaluation of monkeys. J Periodontol. 2003, 74 (3) :346-352
2Proff P, Steinmetz I, Bayerlein T, et al. Bacterial colonization of interior implant threads with and without sealing. Folia Morphol (warsz) . 2006, 65 (1) :75-77
3Socransky SS, Haffajee AD. Evidence of bacterial etiology: a historical persperctive, Periodontol 2000, 1994, 5 (1) :7-25
4Van Winkelhoff AJ, Loose BG, Van der Reijden WA, et al. Porphyromonas gingivalis, Bacteroides forsythus and other putative periodontal pathogens in subjects with and without periodontal destruction. J Clin Periodontol. 2002, 29 (11) :1023-1028
5Von Troil-Linde'n B, Torkko H, Alaluusua S, et al. Periodontal findings in spouses: a clinical, radiographic and microbiological study. J Clin Periodontol. 1995, 22 (2) :93-99
6Danser MM, Timmerman MF, van Winkelhoff AJ, et al. The effect of periodontal treatment on periodontal bacteria on the oral mucous membranes. J Periodontol. 1996, 67 (5) :478-485
7Danser MM, Van Winkelhoff AJ, de Graaf J, et al. Short-term effect of full-mouth extraction on periodontal pathogens colonizing the oral mucous membranes. J Clin Periodontol. 1994, 21 (7) : 484-489
8Groessner-Schreiber B, Hannig M, Duck A, Griepentrog M, Wenderoth DF. Do different implant surfaces exposed in the oral cavity of humans show different biofilm compositions and activities? Eur J Oral Sci. 2004, 112 (6) :516-522
9De Boever AL, De Boever JA. Early colonization of non-submerged dental implants in patients with a history of advanced aggressive periodontitis. Clin Oral Implants Res. 2006, 17 (1) : 8-17
10Furst MM, Salvi GE, Lang NP, et al. Bacterial colonization immediately after installation on oral titanium implants. Clin Oral Implants Res. 2007, 18 (4) :501-508