Fluoride M11 Flashcards
What three ways does fluoride work?
- Systemically - ingested
- Topically - coats teeth
- Assists - the plaque and saliva to re-mineralise the enamel.
What is enamel made up of?
Crystals
What are the constituents of enamel?
Calcium and phosphate
What are Calcium and phosphate in the form of when describing enamel?
Hydroxy-apatite crystals.
When Ion exchange takes place, what is Hydroxy-apatite converted to?
Fluor-apatite
Which is more resistant to acid attacks, Fluor-apatite or Hydroxy-apatite?
Fluor-apatite
What absorbs fluoride?
Calcium
Where does fluoride occur naturally?
some, water, fish and tea
What is the fluoride (supplement) dose recommended for those living in areas with less than 0.3ppm? 6months to 3 years?
0.25mgF
What is the fluoride (supplement) dose recommended for those living in areas with less than 0.3ppm? 6 years old +?
1.00mgF
What is the fluoride (supplement) dose recommended for those living in areas with less than 0.3ppm? 3-6 years old?
0.50mgF
If people live in areas with a fluoride level of 0.3-0.7, how much fluoride supplement should they have?
Half of the dose
When did fluoride toothpastes become widely available?
1970’s
For children aged 0-3 years, what concentration of fluoride should be in their toothpaste and how much should they use?
1000ppm and a smear
For children aged 3-6 years, what concentration of fluoride should be in their toothpaste and how much should they use?
1350-1500ppm and a pea sized amount