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WorksheetsPre Clinic Final Quiz 2
Total questions: 17
Worksheet time: 9mins
The most commonly used abrasive in dentifrices today is:
aluminum oxides
calcium carbonate
silicon oxides
bicarbonate
sodium carbonate
Average lethal dose of fluoride for an adult taken at one time:
0.5 - 1.0 grams
1 - 2 grams
3 - 4 grams
4 - 5 grams
Repeated topical fluoride does not produce fluorosis as long as it is not ingested.
True
False
Ideal fluoride in a community water supply:
around 0.7 - 1 ppm
2 – 2.5 ppm
3 ppm
>4 ppm
All are systemic fluoride EXCEPT:
fluoride tablets
fluoridated drinking water
fluoride varnishes
fluoride drops
Significance of subgingival calculus:
serves as an attachment site for plaque
causes dental caries
stains teeth
no effect
Preservatives are added to dentifrices:
so dentifrice won’t separate
so abrasives don’t harm enamel
to prevent bacterial overgrowth
decrease oral ulcers
First step if a patient swallows toxic fluoride (>5 mg/kg):
admit to hospital
sugar product
induce vomiting
consume a calcium‑binding agent
Sequence of water fluoridation phases:
clinical discovery → epidemiologic → demonstration → technology transfer
epidemiologic → clinical discovery → technology transfer → demonstration
demonstration → technology → clinical discovery → epidemiologic
Anti‑gingivitis agent in dentifrices:
triclosan
pyrophosphates
crystal growth inhibitors
all the above
Dentifrice proven to reduce caries is:
cosmetic
preventive
therapeutic
White spots on incisal 1/3 of anterior teeth most likely:
demineralization
fluorosis
Best way to prevent plaque accumulation:
biofilm lozenges
no prevention necessary
proper toothbrushing
mouthwash rinsing
Attached gingiva is located between:
marginal gingiva and alveolar mucosa
col and interdental papilla
cementum and PDL
free gingival groove and alveolar bone
Approx fluoride in OTC dentifrice in US:
12,000 ppm
10,000 ppm
5,000 ppm
1,000 ppm
After tray fluoride, avoid eating/drinking for:
10 min
15 min
20 min
30 min
60 min
Toothbrushing method for ortho patients:
fones
charters
bass
