-
what are the components/composition of calculus?
inorganic/organic/organic matrix
-
mineralization of calc occurs in _________
24-72 hours
-
enamel = ____% inorganic salts
96%
-
dentin is ____% inorganic salts
65%
-
cementm and bone contain __________% inorganic salts
45-50%
-
mature calculus has _______% inorganic salts
70-90%
-
calcium
phosphorus
carbonate
sodium
magnesium
potassium
fluorie
crystals are all __________
inorganic
-
what are the 3 steps for CALC formation?
- pellicle forms
- biofilm forms
- mineralization 24-72 hours
-
calc forms in _______ and the SURFACE depends on the ________. the _______ layer is usually partially calcified
-
the formation average time is ___ days. 10 days = ____ and 20 days = _____
-
the supra mineral source for calc is ______
the subgingival mineral sources are: ____ ____ and _____ _____
- saliva
- gingival sulcus fluid
- inflammatory exudate
-
NaF Fl2 gels and foam= ___% _____ppm
-
fl2 varnish = ___% and _____ppm
-
-
why can you not use APF for composite or porcelain materials?
- because it can dissolve filler particles of composite
- and can etch porcelain
-
what is the standard of care as a caries preventive agent?
5% varnish
-
when should a fl2 home application be used?
- for rampant enamel or root caries
- xerostomia
- exposure to radiation
- surface hypersensitivity
-
when are mouth rinses limited?
- for children under 6 years who cannot rinse due to oral or facial musculature problems or other disabilities.
- alcohol cannot be used for recovering alcoholics
-
what is the lethal dose of fl2 in an adult and a child?
- adult = 5-10 g
- child = .5-1 g
-
what are signs and symptoms of acute toxicity?
- nausea
- vomiting
- diarrhea
- abdominal pain
-
when do signs and symptoms of acute toxicity occur?
within 30 minutes of ingestion
-
fluoride + hydrochloric acid = ______ _____
hydrofluoric acid (stomach lining irritant)
-
systemic = blood hypocalcemia (lack of Ca in the blood) convulsions, paresthesia can be from what?
acute toxicity of fl2
-
chronic toxicity is _______ fluorosis.
skeletal
-
osteosclerosis is from ______ toxicity
chronic
-
excess in water during developmental years = _______
fluorosis
-
what is dental fluorosis as white opacities. no health problem is involved, many white spots are not visible unless dried or under harsh light?
mild fluorosis
-
what is the max NaF dispensed per household?
- 264 mg NaF
- (120 mg of fl2)
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