• <li id="fqwvu"></li>
    <th id="fqwvu"></th>

        
        
        1. Current position:HomeNewsIndustry News

          Why do we want to brush your teeth every day?

           Share:
          Date:2013-3-14 Read 282

          Why do we want to brush your teeth every day?
          This is because we have a lot of impurity, oral cavity, such as food scraps, teeth, tooth surface pigment, plaque, dental calculus, etc. Dental plaque is in the mouth of dental health most harmful impurity, they are in saliva glycoprotein with bacteria, food particles constitute a very dense bacterial plaque, is the leading cause of tooth decay and gum disease. Can effectively remove dental plaque, brushing your teeth is the most effective way to prevent tooth decay and gum disease.


          女人18毛片A级毛片,五月丁香五月丁香激情,老司机在线精品视频网站
        2. <li id="fqwvu"></li>
          <th id="fqwvu"></th>