为了解吉安市效区中、小学生的龋病患病情况，笔者于1995年和1996年对吉安市河东乡中、小学生进行龋病流行病学调查。
To find out the caries condition in the middle school and primary school students in Jian suburbs , the author got an investigation in 1995 and 1996 into the caries in the middle and primary school students .
河东乡