2Ekstrand J, Fejerskov O, Silverstone L. Fluoride in Dentistry[M].M unksgaard:Copenhagen, 1988,60-76.
3Campus G, LaUai MR, Carboni R. Fluoride concentration in saliva after use of oral hygiene products[J]. Caries Res ,2003,37(1):66-70
4Shen C, Autio-Gold J. Assessing fluoride concentration uniformity and fluoride release from three varnishes[J].J Am Dent Assoc,2002,133(2):176-182.
5Autio-Gold JT, Courts F. Assessing the effect of fluoride varnish on early enamel carious lesions in the primary dentition [ J ]. J Am Dent Assoc,2001,132(9) : 1247 - 1253.
6Arends J, Duschner H, Ruben JL. Penetration of varnishes into demineralized root dentine in vitro [ J ]. Caries Res, 1997, 31 (3) : 201 - 205.
