**Fluoride Flashcards
Define: fluroride
a natural mineral nutrient derived from fluroine
Define: flurosis
an abnormal condition caused by excessive intake of fluoride
Define: flouridation
the process of adding fluoride to the public water supply
What does it mean that fluoride has “substantivity?”
it continues to work even after the fluoride is no longer in contact with the tooth surface
What is the natural fluoride content of normal human bone?
0.01-0.3%
What is the natural fluoride content of healthy enamel?
0.01-0.02%
What is the optimal level of fluoride to prevent decay without causing mottled enamel?
0.7 ppm
When measuring fluoride levels, what does “ppm” mean?
parts per million
List some benefits of using fluoride.
-reduction of decay
-reduction of long-term/extensive dental care
-prevention of premature primary tooth loss
-improved bone density
Can fluoride be placed on permanent dentition?
yes
Define: acute fluoride poisoning
when large amounts of fluoride are ingested, inhaled, or absorbed into the body at one time
Define: chronic fluoride poisoning
ingestion of high fluoride levels in water, or a combination of several fluoride sources, over a long period of time
What is the difference between acute and chronic fluoride poisoning?
acute is high amounts at one time; chronic is small amounts over a long period of time
What is the lethal dose of fluoride in adults?
2.5-10g
What is the lethal dose of fluoride in infants?
0.25g
Does fluoride in dentistry pose a concern for acute fluoride poisoning?
No