摘要
对山西省忻州地区水氟为3.2~3.5mg/L的高氟区,常住人口中6~18岁在校学生进行氟斑牙调查。结果显示:(1)6~18岁人群着色氟斑牙数及患病率随着年龄和恒牙萌出时间的增加而增加。轻、中、重三度着色中,重度着色患病率随着年龄的增加而增加。(2)各色氟斑牙中,淡黄色(1号)着色患病率随着年龄的增加而递减,深黄色、棕色、褐色着色随着年龄的增加而递增。此外着色氟斑牙受累牙位也有一定规律,表现为上前牙>下前牙。
A survey of dental fluorosis was carried out in 6 ̄18 years old students in high fluorine area of Shanxi Province where concentrations of fluorine in water were 3.2mg/L and 3.5mg/L,respectively.The results show that:(1)The number of stained dental fluorosis and prevalence rates increase with the rising of age and the lasting of permanent teeth eruption.The prevalence rates of severely stained dental fluorosis increase with the rising of age in severe group;(2)The prevalence rates of yellowish staining decrease with the increase of age,while those of dark yellow,brown,dark brown groups increase with the rising of ages.In addition the teeth of stained fluorosis were regularly distributed in the following order:upper teeth>lower teeth,central incisor>lateral incisor>canine>bicuspid>molar.
出处
《中国地方病学杂志》
CAS
CSCD
1998年第6期397-400,共4页
Chinese Jouranl of Endemiology
基金
山西省地方病防治科研专项经费资助
关键词
着色型
氟斑牙
患病率
调查
Dental fluorosis Stained type Fluorosis