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Terms for subject Dentistry containing 降 | all forms
ChineseEnglish
当牙槽骨降低后牙齿开始松动The teeth get loose when the bone recedes
氟化物能增加牙齿的硬度，降低酸溶解牙釉质的能力和抑制细菌生长Fluoride can increase the hardness of the tooth surface, decrease the acid solubility of the enamel and inhibit the growth of bacteria

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