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2 4.4.2 Test (CST): Disease
Question 17 of 20
Which hygiene claim is supported by research?
A. Brushing with a fluoride toothpaste has no effect on cavities.
B. There are no benefits to handwashing.
C. Regular hand soap prevents disease just as well as antibacterial
soap.
O D. Regular professional teeth cleaning has no effect on dental health.
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