whitening primary subject, 55 assertions
Subgroups 1
tooth whitening 8
Aspects 0
CapableOf 30
lighten tooth 0.68
take 30 to 90 minutes 0.62
work on natural teeth 0.50
whiten tooth 0.47
remove stain 0.41
keep in mind 0.40
become popular 0.38
produce result 0.38
occur after plaque 0.37
occur after tartar 0.37
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Causes 2
damage 0.20
sensitivity 0.20
HasPrerequisite 1
only one office visit 0.35
HasProperty 11
effective 0.66
easy 0.61
safe 0.59
quick 0.52
right 0.41
ineffective 0.39
affordable 0.37
invasive 0.26
gentle 0.25
expensive 0.20
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ReceivesAction 11
done in dental office 0.55
achieved 0.50
done at home 0.42
resumed 0.41
completed 0.39
returned 0.35
unlikely to cause serio… 0.29
ideal for anyone 0.20
seen with infection 0.20
seen with chronic 0.16
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