Fluoride II

Question 1

2 most common causes of death in acute fl poisoning

Answer 1

cardiac failure

respiratory paralysis

Question 2

daily use of fl gel in custom trays indicated for

Answer 2

pts w/:
full mouth rehabilitation
undergoing head and neck radiation therapy

Question 3

acidulated phosphate fl is contraindicated for

Answer 3

porcelain crowns

composite veneers

Question 4

approved fl compounds found in otc dentifrices include

Answer 4

sodium fluoride
stannous fluoride
sodium monofluorophosphate

Question 5

arguments against fluoridating public water supplies used by antifluoridationists

Answer 5

fl increases risk of birth defects
fl increases risk of cancer
addition of fl to public drinking water is unconstitutional

Question 6

side effect of topical application of stannous fl solution

Answer 6

brown staining

gingival reaction

Question 7

3yo lives in nonfluoridated area has rampant decay. what home-care regimen

Answer 7

fl tablets
fl dentifrice
brush on fl gel

Question 8

fluorides thought to protect teeth from caries by which mechanism

Answer 8

antibacterial action
inhibition of glycolysis
reduction of plaque adhesion
reduction in enamel solubility
enhancement of remineralization

Question 9

fluoride toxicity manifests in bones as

Answer 9

osteosclerosis

Question 10

injestion of fluoridated water form birth shown to reduce tooth decay in children by what percentage

Answer 10

60%

Question 11

fluorosis may result if excessive fl is consumed during which stage of tooth development

Answer 11

calcification

Question 12

characteristic of fl regime that enhances remineralization

Answer 12

low concentration used daily

Question 13

at age 11, individual who has lived in nonfluoridated community since birth moves to area w/ water at 10ppm. at 35 he is likely to exhibit

Answer 13

increased fl stored in bones

Question 14

in communities w/o fluoridated water supply, most cost effective method for delivering systemic fl to 6-12 yo

Answer 14

school water fluoridation

Question 15

after ingestion of fluorapatite in enamel, this increases resistance of enamel b/c fluorapatite is

Answer 15

a dense molecule resists penetration by acids

Question 16

amount of untreated dental caries in population at a given time

Answer 16

prevalence

Question 17

fl toxicity in bones

Answer 17

osteosclerosis

Question 18

14 yo: what supplement w/ no water fluoridation

Answer 18

1.00 mg

Question 19

topical fl uptake

Answer 19

fl diffuses into enamel of erupted tooth

Question 20

CLD of Fl

adult and child

Answer 20

adult 5-10g NaF

child 0.5-1.0g NaF

Question 21

STD is ____ CLD

Answer 21

1/4

Question 22

tx of acute fl poisoning

Answer 22

induce vomiting

Question 23

unless there is some clinical reason for polishing, the pumice prophylaxis may be omitted prior to fl tx b/c

Answer 23

prophylaxis removes the fluoride rich outer layer of enamel

Question 24

fl thought to protect teeth from caries by which mechanism

Answer 24

antibacterial action
inhibition of glycolysis
reduction in plaque adhesion
reduction in enamel solubility
enhancement of remineralization

Question 25

what reduces root hypersensitivity

Answer 25

topical fl

Question 26

type and concentration of fl recommended to h&n cancer pt for home care custom tray use

Answer 26

1% neutral sodium fl

Question 27

symptoms of acute fl toxicity

Answer 27

cramps vomiting diarrhea

Question 28

methods of fl therapy may effect morphology of dentition

Answer 28

water fluoridation diet supplementation program (systemic fl)

Question 29

dosage of a fl tablet supplement should be prescribed to preschooler who consumes optimum fl drinking water

Answer 29

none

Question 30

when ingested 90-95% absorbed

Answer 30

stomach & small intestine

Question 31

most inorganic matter of teeth occurs as

Answer 31

hydroxyapatite

Question 32

most table reaction product of a topical application of fl

Answer 32

fluorapatite

Question 33

pH range of acidulated fl gels

Answer 33

3.5

Question 34

symptoms of chronic fl toxicity

Answer 34

``` dental fluorosis bone fluorosis (form of osteosclerosis) ```

Question 35

areas have greatest uptake of topical fl

Answer 35

anterior teeth/areas of demineralization

Question 36

optimum concentration of fl in drinking water is

Answer 36

warmer: 0.7ppm cooler: 1.2ppm

Question 37

how does fl ion affect crystal size solubility of the hydroxyapatite crystal

Answer 37

fl increases size of reminerlized crystals resulting in decreased enamel solubility enamel crystal size increases; solubility decreases

Question 38

fluoridation of water supply often accomplished by adding appropriate amounts of what type of fl

Answer 38

sodium silicofluoride

Question 39

2 main substances removed from enamel in demineralization of enamel are

Answer 39

calcium and phosphorus

Question 40

fl mouthrinses contraindicated for children under

Answer 40

6yo

Question 41

8% stannous fl contains

Answer 41

19,360 ppm

Question 42

mouthrinse programs used daily should use ___ NaF

Answer 42

.05%

Question 43

7 issues must be considered for professional fluoride therapy

Answer 43

1. Fluoride level in the primary water supply 2. Overall exposure to fluoride 3. Presence of newly erupted teeth or mixed dentition 4. Caries assessment 5. Client’s ability to tolerate a 4 min topical application 6. Age of client (over 6 years) 7. Physical or cognitive abilities

Question 44

What to do in case of Fl toxicity

Answer 44

Lime water or Fl binding liquid like milk

Question 45

should cases of fl toxicity be documented

Answer 45

yes

Question 46

1st permanent teeth to erupt

Answer 46

6yr molars

Question 47

1st sign of toxicity

Answer 47

nausea

Question 48

cause of 1st sign of fl toxicity

Answer 48

1. Fl Rx with HCl acids of stomach 2. Creates HFl (hydrogen fluoride) 3. Irritates stomach

Question 49

Shape of smooth surface caries

Answer 49

Pyramidal Surface is wide Pointed toward DEJ

Question 50

3 examples of Fl binding liquid

Answer 50

Lime water Milk Antacids containing magnesium hydroxide and aluminum hydroxide

Question 51

Chemical formula for magnesium hydroxide

Answer 51

Mg(OH)2

Question 52

What type of effect does Fl have on root caries

Answer 52

topically post eruption effect

Question 53

home fl therapies incld

Answer 53

custom trays

Question 54

widely used fl vehicle

Answer 54

toothpaste