Figure 1.
Forest plot of the prevalence of dental fluorosis in the 6‒18-year age group with fluoride level in drinking water under 0.7 ppm, and exposure time to fluoride in drinking water in the first 6‒8 years of life (subgroup 2).
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.