The flouride debate Flashcards
1
Q
What is the fluoride detective story
A
- 1901 - Fredrick Mckay notices mottling
- 1928 - Ainsworth discovers less caries where mottling is common
- 1933 - Churchill identifies fluoride as the issue
2
Q
Whats the relationship between caries and fluoride levels?
A
Caries declines with increasing fluoride level up to about 1ppm, when caries reduced by a half
3
Q
Does fluoride occur naturally or unnaturally in water supplies
A
Naturally
4
Q
What is 1ppm identified as?
A
- Optimum level
- At 1ppm, very mild mottling
- Over 1ppm, more people have more noticeable mottling
5
Q
What were the early schemes
A
- US 1945 Grand Rapids
- UK 1955 Anglesey
- UK 1964 Birmingham
6
Q
What are the systematic review of public water fluoridation
A
- Statistically significant effect of water fluoridation in reducing dental caries
- Measured by dmft + the proportion of the caries-free children
7
Q
What are the benefits for children and adults of water fluoridation
A
- Less toothache
- Fewer extractions
- Fewer general aesthetics
- Fewer fillings
8
Q
What are anti-fluoridation claims of hard
A
- Down syndrome
- CV disease
- Low intelligence
- Bone fractures
- Diabetes
