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汉语拼音：yá gòu

牙齿表面黑褐色或黄色的污垢。

1. 附着于牙齿冠部、颈部及牙缝等处的污垢。多为食物残渣经唾液作用而成。积久可硬化为牙石。

• The use of a toothbrush to keep tartar down is very helpful.

  使用牙刷去除牙垢很有帮助.

• To remove ( tartar ) from tooth surfaces with a pointed instrument.

  除牙垢用带尖工具除去牙齿表面的 ( 污垢 )

• I have a lot of tartar on my teeth.

  我的牙齿上有许多牙垢.

• Plaque - like film on babies teeth is a breeding ground for harmful bacteria.

  如牙垢薄膜是有害细菌滋生的温床.

• How to remove dental calculus and odontolith?

  怎样除去牙垢和牙石 呢 ?

• What are dental calculus and odontolith?

  什么是牙垢和牙石?

• Can we prevent dental calculus and odontolith?

  牙垢和牙石可以预防 吗 ?

• The doctors can do it. They remove them with a special instrument or an ultrasonic scaler.

  大夫可以做到. 他们用一种特殊的器具或超声波洁牙器来除去牙垢和牙石.

• Glister Toothpaste with SYLODENT provides optimum abrasiveness for effective stain removal and enamel - safe polishing.

  含有SYLODENT亮洁粒子的健齿氟素牙膏能有效彻底去除牙垢而不损珐琅质.