Figure 2From: Dental fluorosis in populations from Chiang Mai, Thailand with different fluoride exposures - Paper 2: The ability of fluorescence imaging to detect differences in fluorosis prevalence and severity for different fluoride intakes from water The photographic score demonstrating separation of the intervals for cooking water fluoride content, suggestive of a dose response . TF scores of 4 or higher have been grouped together as 4+.Back to article page