[Hygienic aspects of dental caries and its prevention].

This review summarizes fluoride content in surface water sources of various Russian regions and its relationship with the prevalence of caries in the population. Low Fluoride content in almost all water sources of Russia highlights the importance of individual prevention of dental caries above all by the use of fluorinated toothpaste. From the standpoint of evidence-based medicine the tooth brushing with fluorinated paste twice daily has the highest level of efficiency of caries reduction.