1Aas JA, Paster BJ,Stokes LN, et al. Defining the normal bacte-rial flora of the ond cavity[ J]. J Clin Microbiol, 2005 , 43(11) :5721 -5732.
2LeeHJ,Kang IK,Chung CP, et al The subgingival microfloraand gingival crevicular fluid cytokines in retractory periodontitis [ J]. JClin Periodontol, 1995, 22(11) :885 ~90.
3MunroC L, Macrina F L Sucrose - derived exopolysaccharidesof Streptococcus mutans V403 contribute to infectivity in endocarditis[ J].Molecular microbiology, 1993,8(1) : 133 -142.
4QuirynenM, Steenberghe D. Is early plaque growth rate constantwith time? [ J]. Journal of clinical periodontology, 1989, 16(5) : 278 -28 3.
5WhiteD J,Kozak K M, Baker R,et al Plaque formation andremoval assessed in vivo in a novel repeated measures imaging methodolo-gy[ J]. The Journal of clinical dentistry, 2006, 17(1) : 22.
6Dawes C. Circadian rhythms in human salivary flow rate andcompositionf J]. The Journal of physiology^ 1972, 220(3) : 529 -545.
9Ciancio S, Panagakos F S. Superior management of plaque andgingivitis through the use of a triclosan/copolymer dentifricef J]. Journalof Clinical Dentistry, 2010,21(4) : 93.
2Nikolic R, Kalicanin B, Krstic N. The release of zinc, copper, lead, and cadmium from the mineral tissue of teeth under the in- fluence of soft drinks and sour-tasting food [J]. Connect Tissue Res, 2012, 53(3) :229 -235.
3Burguera-Pascu M, Rodriguez-Archilla A, Burguera JL, et al. Flow injection on-line dilution for zinc determination in human saliva with electrothermal atomic absorption spectrometry detec- tion[J]. Anal Chim Acta, 2007, 600(1 -2): 214-220.
4Kosoric J, Hector MP, Anderson P. The influence of proteins on demineralization kinetics of hydroxyapatite aggregates[ J]. J Bi- omed Mater Res A, 2010, 94(3) : 972 -977.
5Churehley D, Newby CS, Willson R, et al. Protection against enamel demineralisation using toothpastes containing o-cymen-5 -ol, zinc chloride and sodium fluoride[J]. Int Dent J, 2011, 61(3) : 55 -59.
6Abdullah AZ, Stratford SM, Brookes S J, et al. The effect of copper on demineralization of dental enamel [ J ]. J Dent Res , 2006, 85(11) : 1011 -1015.
7Matsunaga T, Ishizaki H, Tanabe S, et al. Synchrotron radiation microbeam X-ray fluorescence analysis of zinc concentration in remineralized enamel in situ [ J ]. Arch Oral Biol, 2009, 54 (5) : 420 - 423.
8Laueello M, Noel N, Ferro R. The anti-caries efficacy of a sili- ca-based fluoride toothpaste containing zinc citrate, triclosan, vitamin E and sunflower oil[J], lnt Dent J, 2007, 57(10) : 145 - 149.
9Lippert F. Dose-response effects of zinc and fluoride on caries lesion remineralization [ J ]. Caries Res, 2012, 46 ( 1 ) : 62 - 68.
10Lynch RJ, Churchley D, Butler A, et al. Effects of zinc and fluoride on the remineralisation of artificial carious lesions under simulated plaque fluid conditions [J]. Caries Res, 2011, 45 (3) : 313 -322.