1. What is it all about?

2. occurs naturally in water
Fluoride
occurs naturally in water

3. Fluoride comes from the element Fluorine.
19.0 9

4. There is evidence
that fluoride
prevents tooth decay

5. Some dentists want
fluoride added to
drinking water to
reduce the
number of cavities

6. But some people
are worried about
the safety of
fluoride

7. There are also ethical issues involved…
if fluoride is put into drinking water it will go to every single house
+ F-
Water treatment plant
Fluoride added

8. Today we will be
looking at both sides
of the argument...