Water fluoridation quiz

This quiz tests your knowledge of the materials provided in the Practice Information Sheet, "Water fluoridation - still the answer".

(a). 0.5 – 1.0 ppm

(b). 0.6 – 1.1 ppm

(c). 0.6 – 1.0 ppm

(d). 0.8 – 1.0 ppm