What is the most reliable source of dietary fluoride?

Answer;

Public water

Public water is the most reliable source of dietary fluoride.

Explanation;

Fluorine is essential for the normal mineralization of bones and the formation of dental enamel. The biggest percent (about 96%) of the Fluoride in the body is found in bones and teeth. In Teeth, Fluoride becomes incorporated into the crystalline structure of teeth, making them less susceptible to decay.