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Foundations 2 Exam 1 > Flouride and Prevention > Flashcards

Flouride and Prevention Flashcards

1
Q

Fluoride in nature

A

pale, yellow paste, widely distributed in nature and in our bodies

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2
Q

Sources of fluoride

A

Seafood (fish, clams, lobster, crab), tea, dry intact cereal,chicken products, artesian or deep wells, fresh surface water, seawater

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3
Q

Fluorine

A

chemical element

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4
Q

Where F is absorbed

A

80-95% in upper GIT and transported in plasma

**HE said he doesn’t like questions on numbers!!!

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5
Q

% absorbed in first 30 min

A

40%-95%

**HE said he doesn’t like questions on numbers!!!

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6
Q

F ingested on an empty stomach F produces a peak _____ level within ____ min/hours?

A

plasma in 30 min

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7
Q

F binds with ____ and other ______ and _____ _____

A

Calcium, divalent and trivalent cations

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8
Q

5mg F is cleared in ______

A

8-9 hours

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9
Q

F is deposited in ____

A

calcified tissues such as bone, teeth

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10
Q

F poisoning

A

accidental or intentional ingestion of F containing products

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11
Q

Elevated levels of F –>

A

chronic F toxicity

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12
Q

F handling is regulated by _____ and in the marketplace by the _____

A

Occupational Safety Health Legislation and FDA

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13
Q

Probable toxic dose (PTD)

A

defined as the minimum does that could cause toxic signs and symptoms, including death

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14
Q

Emergency Rx for F toxicity (immediate and non)

A

milk or milk and egg
vomitting
oral calcium of aluminum

maintenance of blood calcium with intravenous calcium

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15
Q

Emergency F overdose (less than 5mg)

A

give calcium orally (milk) and observe for a few hours

induced vomitting is not necessary

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16
Q

more than 5mg F overdose

A

ER room-pump stomach- not with downs or mental retardation tho

give oral calcium

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17
Q

F more than 15mg overdose

A

hospital immediately-induce vomitting

Cardiac monitoring; observe peak T waves and watch for shock

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18
Q

F therapies

A

F gel, foam, and varnish

F supplements

Salt F

Milk F

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19
Q

Post eruptive mechanism of action of F

A

promotes remineralization of enamel, inhibits demin of early carious lesion, inhibits glycolysis in which sugar is converted to acid by cariogenic bacteria

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20
Q

Pre eruptive mechanism of action of F

A

improves enamel crystallinity, reduces enamel solubility in acid, improves tooth morphology

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21
Q

Topical F

A

applied directly to and absorbed by the surface of the teeth

-can be home gel, dentrifice, mouth rinse, professional, or water

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22
Q

Systemic F

A

taken into the body by consuming products containing F

-water, dietary, dentrifice,dietary supplement

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23
Q

% of toothpastes which are F

A

79-90% in US

**HE said he doesn’t like questions on numbers!!!

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24
Q

how F in toothpaste is taken up

A

by dental plaque directly and demineralized tissue

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25
brushing with F toothpaste increases the F concentration in salvia _______ fold and return to baseline in ______
100-1,000 fold and returns to baseline in 1-2 hours **HE said he doesn't like questions on numbers!!!
26
F toothpaste reduces caries in children by _____ in a 2-3 yr study
15-30% **HE said he doesn't like questions on numbers!!!
27
most common therapeutic agent in dentrifice
F
28
two forms of F toothpaste
prescription and nonprescription
29
Greater benefit of F TP when used with ____
F water
30
use of F TP 3 times a day?
unclear, use at least 2x
31
FT with 1500ppm of F is contraindicated for
children less than 6 yrs
32
F mouthrinse was developed for
daily or weekly use for children
33
____ is most commonly used b/c it lowers cost and better taste
NaF
34
daily use mouthrinse concentration
0. 05% (230ppm) available as OTC for >6yrs | * KNOW THIS
35
weekly use mouthrinse concentration
.20% (920ppm), weekly use school based program *KNOW THIS
36
____% caries reduction in children over 2-3 yrs
20-35%
37
F uptake in acidic environment
increases
38
F gel is ___ in pH
low (acidic)
39
Prevents decalcification beneath orthodontic bands
F varnish
40
can bill medicaid for F varnish?
yeah- and covered on insurances
41
a single app of F varnish increases enamel F by __%
77
42
F does what to thermal and tactile pain
reduces
43
varnish will set on contact with
saliva
44
Can kids eat after F varnish?
yeah
45
Do you brush a kids teeth after F varnish?
not that night, the next day
46
halo effect
consider all sources of F of a patient
47
F supplementation ______ recommended for prenatal use
NOT recommended-NO evidence! KNOW THIS
48
F supplements benefit in elderly
not proven but probably
49
Prescribe F for prenatal?
NO
50
age 6-16 consuming water with ____ F in water
>0.6
51
recommend F for 3-6, and 6-16 if water is below ___ F
0.3-0.6 or <0.3
52
3-6yr old with <0.3 water F give how much F in mg/day
.5mg
53
F salt not recommended for persons at risk of
hypertension
54
when F salt is taken in F is released from ____ all day
plasma
55
evidence of F salt??
not RCT or clinical trials
56
Milk F?
Not common or very supported
57
Cost effectiveness of F modalities (high and low risk)
not well supported but cost effective for persons at high caries risk
58
target mouthrinsing to persons at ____
high risk
59
Apply ____ concentration F to persons at _____ risk for caries
high
60
Supervise use of F among children for children around and under what age
~6
61
Use an alternative source of water for children aged _____ years whose primary drinking water contains >__ ppm F
<8 yrs and contains >2ppm

Foundations 2 Exam 1 (12 decks)

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