Your dentist is well qualified to have an opinion on the effects of fluoride on your teeth.
They are poorly qualified to have an opinion on whether it should be added to the water supply at source.
Generally it's multi-discipline, but a good start here would be an epidemiologist with a focus on dental issues.
Your dentist is well qualified to have an opinion on the effects of fluoride on your teeth.
They are poorly qualified to have an opinion on whether it should be added to the water supply at source.