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Terms for subject Dentistry containing 面结 | all forms
ChineseEnglish
主要是唾液中的钙离子沉积在牙面上的软垢中形成了牙结石It is mainly calcium from the saliva which has formed hard deposits on the teeth
您牙面上坚硬粗糙的染色就是牙结石The hard and rough stain is dental calculus (tartar)