有效刷牙的概念和方法？
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.
日本福冈九州岛大学的岛崎教授及其同事在《牙周病学》期刊中提到，除了勤刷牙和用牙线清洁牙齿外，能够有效缓解这一疾病的方法比较有限。
Outside of regular brushing and flossing, effective measures to allay this disease are limited, Shimazaki, of Kyushu University in Fukuoka, Japan, and colleagues note in the Journal of Periodontology.
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