The changes of clinical sign, plaque index, gingival index and sulcus bleeding index were observed before and after using yahao.
观察用乳膏前后临床症状和菌斑指数、牙龈指数、龈沟出血指数的变化。
The changes of clinical sign, plaque index, gingival index and sulcus bleeding index were observed before and after using yahao.
观察用乳膏前后临床症状和菌斑指数、牙龈指数、龈沟出血指数的变化。
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