**Fluoride Flashcards

1
Q

Define: fluroride

A

a natural mineral nutrient derived from fluroine

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2
Q

Define: flurosis

A

an abnormal condition caused by excessive intake of fluoride

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3
Q

Define: flouridation

A

the process of adding fluoride to the public water supply

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4
Q

What does it mean that fluoride has “substantivity?”

A

it continues to work even after the fluoride is no longer in contact with the tooth surface

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5
Q

What is the natural fluoride content of normal human bone?

A

0.01-0.3%

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6
Q

What is the natural fluoride content of healthy enamel?

A

0.01-0.02%

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7
Q

What is the optimal level of fluoride to prevent decay without causing mottled enamel?

A

0.7 ppm

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8
Q

When measuring fluoride levels, what does “ppm” mean?

A

parts per million

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9
Q

List some benefits of using fluoride.

A

-reduction of decay
-reduction of long-term/extensive dental care
-prevention of premature primary tooth loss
-improved bone density

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10
Q

Can fluoride be placed on permanent dentition?

A

yes

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11
Q

Define: acute fluoride poisoning

A

when large amounts of fluoride are ingested, inhaled, or absorbed into the body at one time

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12
Q

Define: chronic fluoride poisoning

A

ingestion of high fluoride levels in water, or a combination of several fluoride sources, over a long period of time

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13
Q

What is the difference between acute and chronic fluoride poisoning?

A

acute is high amounts at one time; chronic is small amounts over a long period of time

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14
Q

What is the lethal dose of fluoride in adults?

A

2.5-10g

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15
Q

What is the lethal dose of fluoride in infants?

A

0.25g

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16
Q

Does fluoride in dentistry pose a concern for acute fluoride poisoning?

A

No

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17
Q

Define: systemic fluoride

A

fluoride that in ingested and circulated through the body to the developing teeth

18
Q

Define: topical fluoride

A

fluoride that is applied in a high concentration to the outer tooth structure

19
Q

What is the difference between topical and systemic fluoride?

A

topical is applied to the outer tooth surface and systemic is ingested into the body

20
Q

What needs to be assessed to determine an individual patient’s need for fluoride?

A

-age
-frequency of dental visits
-diet
-home care
-amount of fluoride received from other sources (ex: public water supply)

21
Q

What are examples of prescription dietary supplements of fluoride?

A

tablets, drops, or vitamins

22
Q

What is the age recommended for prescription fluoride supplements?

A

ages 2-16 years, but not under 6 months

23
Q

What are examples of over-the-counter fluoride?

A

toothpastes, gels, or mouthrinses

24
Q

What is the best and most accessible form of fluoride for patients?

A

fluoride toothpaste

25
Q

List the three types of fluoride solutions/

A

-sodium fluoride
-acidulated phosphate fluoride
-stannous fluoride

26
Q

What is the ppm of sodium fluoride?

A

9,050 ppm

27
Q

What is the pH level of sodium fluoride?

A

7.0 pH

28
Q

What is the ppm of acidulated phosphate fluoride?

A

12,300 ppm

29
Q

What is the pH level of acidulated phosphate fluoride?

A

3.9-4.0 pH

30
Q

What types of fluoride solution are contraindicated for patients with cosmetic restorations, and why?

A

acidulated phosphate fluoride and stannous fluoride, because they can cause staining

31
Q

What is the ppm of stannous fluoride?

A

19,300 ppm

32
Q

How much topical fluoride varnish is needed to cover an entire dentition?

A

0.3-0.5mL

33
Q

Do teeth need to be completed dried prior to topical fluoride varnish application?

A

No

34
Q

Why doesn’t topical fluoride varnish need to have the teeth completely dried prior to application?

A

because it sets in the presence of moisture

35
Q

Does topical fluoride varnish have a high or low risk of systemic uptake?

A

low

36
Q

True or False: Topical fluoride varnish should only be applied to the occlusal surfaces of teeth.

A

False

37
Q

What does “SDF” stand for?

A

silver diamine fluoride

38
Q

What is the ppm of silver diamine fluoride?

A

44,800 ppm

39
Q

What are of the mouth would be beneficial for SDF treatment?

A

in areas of decay that are hard to access or isolate for conventional restorations

40
Q

Why is SDF contraindicated in anterior teeth?

A

it stains the area being treated by turning the carious lesion black