3Katz RV. The clinical diagnosis of root earies: Issues for the clinician and researcher. Am J Dent, 1995,8 (6) :335-341.
4Nyvad B, Fejerskov O. Root surface caries: ulinical, histopathological and microbiological faatures and clinical implications. Int Dent J, 1982,32(4) :311-326.
5Xie Q, Bedran-Russo AK, Wu CD. In vitro remineralization effects of grape seed extract on artificial root caries. J Dent, 2008,36( 11 ) : 900 -906.
6Berry TG, Summitt JB, Sitt EJ Jr, et al. Root caries.Oper Dent, 2004,29(6) :60 -607.
7Schaphaeh P, Osterwalder V, Guggenheim B. Human toot caries: microbiota of a limited number of root caries lesions. Caries Res, 1996,30( 1 ) :52-64.
8Schuphach P, Osterwalder V, Guggenheim B. Human root caries: microbiota in plaque covering sound, carious and arrested carious root surfaces. Caries Res, 1995,29 ( 5 ) :382-395.
9Mantzourani M, Fenlon M, Beighton D. Association between Bifidobaeteriaceae and the clinical severity of root caries lesions. Oral Microbiol Immunol, 2009,24( 1 ) :32-37.
10Preza D, Olsen I, Aas JA, et ah Bacterial profiles of root caries in elderly patients. J Clin Microbiol, 2006,46 ( 6 ) : 2015-2021.