幼儿含氟牙膏误咽量的调查

The investigation of accidental swallowing of Fluoride toothpaste in young children

目的 旨在测定幼儿使用含氟牙膏刷牙时牙膏的误咽量，并由此探讨幼儿使用含氟牙膏的安全性。方法 采用氟电极法测定１８０ 名３～６ 岁幼儿使用含氟牙膏刷牙时牙膏的误咽量。结果 １８０ 名３～６ 岁的幼儿，含氟牙膏平均误咽量为 ００５３ｇ，牙膏误咽比（牙膏误咽量占牙膏用量的百分比）平均为２６１６３％ ；其中最大值出现在３０～３９ 岁组，误咽量为００８２ｇ，误咽比为３０３４８％ 。结论 幼儿刷牙时不可避免会咽下一部分牙膏，幼儿每天从含氟牙膏中摄入的氟与从饮食及周围环境中获得的氟之总和可能会超过规定标准，发生氟牙症的危险性将会大大增加。

Objective This study was to investigate the accidental swallowing of fluoride toothpastes in young children during their toothbrushing and then to discuss the security of fluoride toothpastes used by young children.Methods The accidental ingesting of fluoride toothpastes in 180 young children aged 3～6 years old was assayed with fluoride specific electrode.Results Among the 180 children invited to join the test,the average amount of the ingestion of fluoride toothpastes was 0.053g.The average swallowing ratio was 26.163%.The maximums presented in the group aged 3.0 to 3.9years old were 0.082g and 30.348%;respectively.Conclusion Young children swallow a quantity of toothpaste on the brush during toothbrushing inevitably.It may result in the excessive daily fluoride ingestion which includes the fluoride ingestion from toothpaste,food and surroundings.So the incidence of fluorosis will increase certainly.