[A survey of first molar caries among primary school students in Lishui].
OBJECTIVE
To elucidate school age students' oral health status in Lishui city and monitor caries tendency of their first molars.


METHODS
Four hundred and forty-eight primary school students of the first and second grades were cluster sampled from the urban and suburb districts. The first molar crown caries were measured and their oral health caring measures were investigated.


RESULTS
The results showed that suburb children's DMFT and first molar caries prevalence were both higher than the children in the urban district, but the time of tooth brushing was obviously lower. The results also showed the most important influencing factors of caries were tooth brushing, followed by age, districts, and gender etc.


CONCLUSIONS
It is suggested that we should enforce the oral health care education and promotion, especially in the suburb area.
Zha
Guang-yu
GY
Department of Stomatology, Medical School of Lishui University, Lishui 323000, Zhejiang Province, China. zhaguangyu@hotmail.com
Jiang
Yin-hua
YH
Fan
Hui-hong
HH
Liu
Dan
D
Li
Fang
F
Lin
Yan
Y
D002648:Child; D002681:China / Q000453:epidemiology; D003731:Dental Caries; D006801:Humans; D008963:Molar; D009909:Oral Health; D015995:Prevalence; D012574:Schools; D013334:Students; D014099:Toothbrushing