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what are three types of fluoride?
what are six indications for use of fluoride?
compromised salivary flow
who are five groups of pt that are at risk for dental caries?
exposed root surfaces
lack of fluoride in water
early carious lesions
what is the caution for acidulated phosphate fluoride (APF)
may dissolve filler particles of composite resin restorations
what % of fluoride does the APF have?
1.23% in gel and foam
what fluoride do you use instead of APF in the presence of porcelain/composite restorations and sealants?
sodium fluoride (NaF) Neutral
what % of fluoride does the NaF have?
2% in gel and foam
what % of fluoride does varnish have?
what is the standard of care as a caries preventive agent?
what are some precautions of fluoride? 3
do not overfill trays
request pt not to swallow
use low volume suction
t/f pt can eat or drink after fluoride?
false no eating or drinking for 30 minutes
what are 4 examples of home fluoride applications?
custom tray application
brush on gel
what is the % of fluoride and the ppm of fluoride mouth rinses for OTC and RX?
: .05% NaF and 230 ppm
: .044% NaF and 200ppm
how often should high potency fluoride mouth rinses be used?
how often can low potency fluoride mouth rinses be used?
what are the four benefits of fluoride mouth rinses?
26-29% reduction of dental caries
greater benefit on smooth surface vs. pit and fissure
greater benefit on new erupted teeth
42.5% reduction in school age children
Rx of no more than ____mg at one time, do not store large amounts at home.
what refers to the rapid intake of an excess dose over a short time
long term ingestion of fluoride in amounts that exceed the approved therapeutic levels
what is the lethal dose for an adult? child?
adult 5 to 10 g
child .5 to 1 g
what are the signs of symptoms of acute toxicity
at what time frame do the signs and symptoms of acute toxicity appear?
30 minutes after ingestion
Fluoride + _____ ______=Hydrofluoric acid
hydrochloric acid (stomach lining irritant)
what are five things to do in case of an emergency with fluoride?
fluoride binding liquid
support respiration and circulation
what is skeletal fluorosis?
osteosclerosis from chronic toxicity after long period of time but defluoridation has been developed to help
what is mild fluorosis?
appears as white opacities, no health problem is involved
what is the CLD for a child under 6
what is the safely tolerated dose (STD) for an adult? Child?
: 2.35-2.5 g NaF
: depends on weight and age
Ch 33 Fluoride