Plaque needs to be removed through a daily oral care routine which includes brushing and flossing or the plaque will harden into tartar (or calculus).

牌匾需要通过日常的口腔护理，其中包括日常刷牙和使用牙线或斑块会成为牙结石硬化（或演算删除）。

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The calculus and stains have to be removed before your gums can become healthy.

牙石和污垢得先清除掉，然后牙龈才会变得健康。

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The calculus and stains have to be removed before your gums can become healthy.

牙石和污垢得先清除掉，然后牙龈才会变得健康。

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