Fluorine Flashcards
1
Q
sources of fluorine
A
fluoridated water grains fish tea toothpaste
2
Q
protein bound fluoride must be _____ before it is absorbed
A
hydrolyzed
3
Q
Fluorine is primarily absorbed in the ___ as fluoric acid
A
stomach
4
Q
Fluorine is transported in what two forms
A
unbound - free fluoride of hydrofluoric acid
bound- to proteins
5
Q
fluorine is store in the
A
bones and teeth
6
Q
functions of fluorine
A
- promotes formation of apatite cystalline bone matrix
- replaces hydroxide ions in apatite converting hydroxyapatite to fluorohydroxyapatite
- topical fluoride decreased production of acid by oral bacteria
7
Q
fluorine is excreted in the
A
urine
8
Q
optimal levels of fluorine do what?
A
reduce incidence of dental caries
maintain integrity of skeletal tissue
9
Q
S&S of acute toxicity of fluoride
A
n/v/d
acidosis
cardiac arrhythmias
death may occur (5mg/kg)
10
Q
S& S of fluorosis
A
changes in bone kidney nerve and muscle function
dental fluorosis causes mottling of teeth in children