七种有利于牙齿健康的食物

Crunchy And Chewy Foods
易碎与耐嚼食物

Crunchy and chewy foods — such as carrots, celery and nuts — cause saliva to flow; saliva neutralizes the acids formed by cavity-causing bacteria. (Sticky and sweet foods, on the other hand, help that bacteria to grow and develop into plaque — a bacterial buildup that can give rise to cavities.
易碎或耐嚼食物，比如胡萝卜、芹菜、坚果，可以促进唾液的分泌，唾液可以中和蛀牙细菌产生的酸。