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          Students learn about oral hygiene ahead of national day for dental care
          

          


          chinadaily.com.cn/Xinhua    |     2017-09-20 09:21
    



 


          


          

          


          



          

          


          
Students learn about oral hygiene ahead of national day for dental care

          


          


          Students learn to brush teeth in the correct way in a primary school in Lianyungang, East China's Jiangsu province, Sept 19, 2017. [Photo/Xinhua]
          
          		

          
          

          

          


          

          

          



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