OBJECTIVES The aim of this study was to evaluate the systemic effect of water fluoridation on dental caries prevalence and experience in Cheongju, South Korea, where water fluoridation ceased 7 years previously. METHODS A cross-sectional survey was employed at two schools where water fluoridation had ceased (WF-ceased area) and at two schools where the water had never been fluoridated (non-WF...

Fluoridation of drinking water supply has been hailed as one of the top ten public health achievements of the twentieth century. At an optimal level of 1.0 ppm, it is considered the most costeffective, safe and efficient strategy of reducing dental decay in all social strata of the community. The anticariogenic mechanism of fluoride does not differentiate between the benefits of topical fluorid...

THE PHYSIOLOGY OF FISHES. Volume 2, BEHAVIOR. Margaret E. Brown, Ed. New York, Academic Press Inc., 1957. xi, 526 pp. $14.00. The second volume of the series Physiology of Fishes deals with a wide variety of subjects under the common heading of Behavior. This misleading title is unfortunate, but the contents are a very pleasant surprise. Included are chapters dealing with: nerve system (central...

INTRODUCTION Local, state, and national health policy makers require information on the economic burden of oral disease and the cost-effectiveness of oral health programs to set policies and allocate resources. In this study, we estimate the cost savings associated with community water fluoridation programs (CWFPs) in Colorado and potential cost savings if Colorado communities without fluoridat...

OBJECTIVES Fluoride levels in the public water supplies of 40 Brazilian cities were analyzed and classified on the basis of risk/benefit balance. MATERIAL AND METHODS Samples were collected monthly over a seven-year period from three sites for each water supply source. The samples were analyzed in duplicate in the laboratory of the Center for Research in Public Health - UNESP using an ion ana...