有效刷牙能很好地预防牙周疾病，但懂得有效刷牙的人并不多。
Brushing teeth effectively can prevent periodontal diseases. But few people know how to brush teeth effectively.
他们说这是提前的建议，良好的口腔卫生可以在预防癌症有某些影响，但也表示，无论什么样的牙周疾病都应治疗。
They said it is premature to suggest that good oral hygiene can have any effect at preventing cancer but said periodontal disease should nevertheless be treated.
牙周疾病预防的原则和方法？
本发明的组合物能有效预防和治疗牙周疾病或预防龋齿。
Said composite can effectively prevent and cure the periodontal diseases and prevent dental caries.
本发明的组合物能有效预防和治疗牙周疾病或预防龋齿。
Said composite can effectively prevent and cure the periodontal diseases and prevent dental caries.
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