An Investigation and Analysis of Dental Canes in Pupils of Ganzi Perfecture
Xin Yukang;Gesang Zeren (Health School of Ganzi Prefecture,Kang Ding 626000)
The dental canes of 3962 pupils divided in 7, 9, 12, 14 and 17 age groups were investigated. Our results were as follows:The average rate of dental canes was 21. 55%. The rate of 7 years group was the highest and that of 14 years was the lowest,the percentages of suffering from canes between boy and girl were similar but the percentage of town was higher than that of country. The average rate of treatment to canes was 3. 54% only and the population receiving treatment was more in town than in country.
【CateGory Index】： R780.1