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          Scientists conclude dinosaur had gum disease after biting
          

          By Cheng Yingqi | China Daily | Updated:  2013-06-04 08:14
 



          



          

          

          

          


          


          Scientists conclude dinosaur had gum disease after biting
          


          An impression of a Sinosaurus with dental disease. Provided to China Daily
          
          		

          
          

          

          

          


          About 190 million years ago, a dinosaur got a toothache after biting into something hard. In fact, the damage was so bad, it damaged the gum.
          


          

          Scientists conclude dinosaur had gum disease after biting
          

          

          


          


          


          
 
 



          


          

          



          


          

          

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