阜阳市颖东区中小学生龋齿调查分析

A INVESTIGATION AND RESEARCH ON DENTAL CARIES OF PUPILS IN YENGDONG OF FUYANG CITY.

本文通过对我区２０００名中小学生龋齿患病情况的调查及其病因的分析，结果表明中小学生的龋患率为３７．３０％，龋均１．２１，患者龋均３．２１。无论从龋患率或龋均来比较，均是城市高于农村，小学生高于中学生，女生高于男生，乳牙高于恒牙。

his article has made an investigation of dental caries of 2000 pupils in our administrative division,and analysis of the causes of disease.The result is that caries incidence of pupils is 3730%,that the average caries is 121,that the average caries of suffers is 321.Whatever caries incidence or the average caries are always higher,cities than countries,primary school students than middle school students,schodgirls than schoolboys,milk teeth than permanents teeth.There are marked differences between these and statistics.