WONDER #1315: What Is in Toothpaste?
Question 1 of 3
Which toothpaste ingredient helps to strengthen tooth enamel and repairs tooth decay through remineralization?
Question 2 of 3
Which of the following ingredients helps to keep toothpaste from drying out?
Question 3 of 3
Which of the following items was NOT used as toothpaste in ancient times?
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