AIM This was to determine the prevalence of primary tooth fluorosis in the dentitions of 5-year-old schoolchildren. A subsidiary aim was to investigate whether an association existed between the presence of primary tooth fluorosis, fluoridation status, infant feeding practices or the oral hygiene practices of the child. STUDY DESIGN A cross-sectional and stratified by fluoridation status stud...

Both Newbrun and Friedman’s letters accuse me of opposing community water fluoridation (CWF). This was not the point of my article. My article examines the arguments being put forward by scientists in the 1930s, 1940s, and 1950s, to understand how the debate overCWFplayedout.Despite attempts to make science as bias-free as possible, historians and philosophers of science have shown that scienti...