Methods Streptocoocus mutans and actinomyces in 60 cases of dental root surface caries were studied quantitatively in selective media.
方法用选择性培养基对6 0例根面龋中的细菌进行定量研究。
Objective To summarize the treatment of senile dental caries of root surface.
目的总结老年人根面龋的治疗方法。
This air scaler is intended to remove dental plaque, calculus and stain from tooth surface and tooth root by dental professionals only.
本产品是由资质的口腔科医生在口腔科治疗过程中对患者的牙体表面所粘着的牙垢，牙结石，着色去除时所使用的设备。
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