记住，美国牙科协会建议的是最低的要求。
Remember, the ADA recommendations are set at a minimal level.
看清美国牙科协会(ada)认证标志。这个标志保证牙膏复合ada制定的标准。
The seal assures that the toothpaste has met the standards set by the American Dental Association.
看清美国牙科协会(ada)认证标志。这个标志保证牙膏复合ada制定的标准。
The seal assures that the toothpaste has met the standards set by the American Dental Association.
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