[1. Lindhe J, Karring T, Lang NP. Clinical Periodontology and Implant Dentistry4th Edition. Blackwell Publishing Munksgard. Oxford, United Kingdom. 2003.]Search in Google Scholar
[2. Dumitrescu A. Etiology and pathogenesis of periodontal disease. Springer. XXI. 2010.10.1007/978-3-642-03010-9]Search in Google Scholar
[3. Michael G Newman, Henri H. Takei and Fermin A. Carranza. Carranza’s Clinical Periodontology 9th edition. Ed. W.B.Saunders. 2002.]Search in Google Scholar
[4. Lindhle J. Clinical periodontology and implant dentistry. 2 Volume Set. 5th edition. Oxford, United Kingdom. 2008.]Search in Google Scholar
[5. Darby I.B, Mooney J, Kinane DF. Changes in subgingival microflora and humoral immune response following periodontal therapy. J Clin Periodontol. 2001;28(8):796-805.10.1034/j.1600-051X.2001.280812.x]Search in Google Scholar
[6. Dumitriu Silvia, Dumitriu H. Etiologia microbiană în parodontitele marginale cronice. Ed. Cerma. Bucureşti. 1996.]Search in Google Scholar