论文部分内容阅读
近几年每到夏季,青少年牙病的发病率便明显增加。口腔专家提醒,牙病增加和游泳后不漱口有关。为保持游泳池水的卫生,通常在池水
Every summer in recent years, the incidence of adolescent dental diseases has increased significantly. Oral experts advise, dental problems and increase after swimming is not gargle. To maintain the health of swimming pool water, usually in the pool water