预防牙病英国著名牙科专家杰姆对171名6至15岁的儿童作了一项实验后得出结论,苹果可预防牙病.杰姆给其中90名儿童每天吃一只苹果,其余的儿童则吃其它水果,历经六个月后发现,每天吃苹果的儿童,口腔没有发生疾病,而吃其它水果的儿童有半数患了口腔疾病,其中以牙病为最多见.专家认为,苹果之所以能防止口腔疾病,是因为苹果中所含的纤维素和水分有消除牙齿中的污垢,洗净口腔的作 Preventing dental diseases A leading British dentist, Jim, conducted an experiment with 171 children aged 6 to 15 years to conclude that Apple is able to prevent dental problems and that Jem gave 90 of them an apple a day and the rest of the children Then eat other fruits, after six months found that children eat apples every day, no disease in the mouth, while eating half of children suffering from oral diseases of oral diseases, of which the most common dental disease.Experts believe that the reason why the apple Can prevent oral diseases, because the apple contains cellulose and water to eliminate the dirt in the teeth, wash the mouth for