The Canadian Dental Association says to use a toothbrush with soft, rounded bristles. Go gently, too.

加拿大牙科协会建议使用有圆形柔软刷毛的牙刷，用起来也要轻柔。

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The Canadian Dental Association says to use a toothbrush with soft, rounded bristles. Go gently, too.

加拿大牙科协会建议使用有圆形柔软刷毛的牙刷，用起来也要轻柔。

youdao