Author: Liu Zifei, Wang Yahuan, Wang Cong School: Hebei Medical University Instructor: The leaflet introduces the definition of dental floss, why we should use dental floss, who is suitable for using dental floss, how to choose dental floss, how to use dental floss, and answers people's misunderstandings about the use of dental floss. It hopes that more people will realize the importance of using dental floss and master the method. |
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