today is my turn for the report,my topic is how to take care of our teeth,as is known to us all,having good teeth means owning the health,so we should pay more attention to the tooth, first and foremost, remember to brush your teeth everyday when you get up, secondly,do our best to decline the intaking amount of junk food,having taken the measures i've referred to you will become more healthy, finally ,we can intake a little vitamin or calcium in order to hard my teeth, i hope my report can give you help,that's all for my report.