The teeth are larger, and the teeth are loose ... These pots, do not wash their teeth!
Author:China Centers for Disease Cont Time:2022.08.26
1. What is the effect of washing teeth?
A
Remove the teeth, smoke, and tea spots on the teeth
B
Prevent gums of bleeding or loose teeth
C
Help the treatment of gingivitis, periodontitis and other oral diseases
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untie
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Correct answer: ABC
Analysis: Washing teeth can remove dental stones, smoke stains and tea spots on the teeth, prevent gum bleeding or loose teeth, and help treat gingivitis and periodontitis and other oral diseases.
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2. (Single -choice question) Regarding the tooth washing, which one is correct?
A
Use fresh lemon juice to remove dental stones
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B
The teeth may become sensitive after washing their teeth
C
After washing your teeth, your teeth become white
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untie
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Correct answer: B
Analysis: Lemon juice is acidic and hurts the enamel. After washing their teeth, some people's teeth become sensitive, and they will be sore when they are cold and heat. After the teeth and pigments are washed away, the teeth will look white, but the color of the teeth itself will not change.
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3. (multiple choice questions) The following statement is correct?
A
Washing teeth will wash off the protective layer of the teeth
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B
Eat less cold, overheated, irritating food after washing your teeth
C
Washing your teeth once in half a year or a year
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untie
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Correct answer: BC
Analysis: Washing teeth is just removed tooth stones and part of the pigment on the surface of the teeth, and will not hurt the enamel.
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