NEW YORK, June 21, 2019 /PRNewswire/ -- Nowadays, the Chinese people have a growing awareness of oral health and healthy behaviors. 60.1% of residents have knowledge about oral health; 24.1% of 5-year-old children and 31.9% of 12-year-old children brush their teeth twice a day, 40% and 43....
from PR Newswire: https://prn.to/2ZymWcI
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