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Coal-burning roasted corn and chili as the cause of dental fluorosis for children in southwestern China
Luo Kunli; Li Ling; Zhang Shixi
2011
Source PublicationJOURNAL OF HAZARDOUS MATERIALS
Volume185Issue:2-3Pages:1340-1347
Corresponding AuthorLuo Kunli
AbstractTo find the pathologic cause of the children's dental fluorosis in southwestern China, diet structure before the age of 6 and prevalence rate of dental fluorosis (DF) of 405 children were investigated, and the fluorine and arsenic content of several materials were determined. The prevalence rate of DF of children living on roasted corn before the age of 6 is 100% with nearly 95% having the mild to severe DF; while that of children living on non-roasted corn or rice is less than 5% with all having very mild DF. The average fluorine and arsenic concentration are 20.26 mg/kg and 0.249 mg/kg in roasted corn, which are about 16 times and 35 times more than in non-roasted corn, respectively. The average fluorine concentration is 78 mg/kg in coal, 1116 mg/kg in binder clay and 313 mg/kg in briquette (coal mixed with clay). The average arsenic concentration of coal is 5.83 mg/kg, the binder clay is 20.94 mg/kg, with 8.52 mg/kg in the briquette. Living on roasted corn and chili is the main pathologic cause of endemic fluorosis in southwestern China. The main source of fluorine and arsenic pollution of roasted corn and chill is the briquette of coal and binder clay. (C) 2010 Elsevier B.V. All rights reserved.
KeywordFluoride Health Guizhou Water
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China 40872210;National High Technology Research and Development Program (863) of China 2004AA601080 2006AA06Z380
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/2305
Collection研究生部
Corresponding AuthorLuo Kunli
Recommended Citation
GB/T 7714
Luo Kunli,Li Ling,Zhang Shixi. Coal-burning roasted corn and chili as the cause of dental fluorosis for children in southwestern China[J]. JOURNAL OF HAZARDOUS MATERIALS,2011,185(2-3):1340-1347.
APA Luo Kunli,Li Ling,&Zhang Shixi.(2011).Coal-burning roasted corn and chili as the cause of dental fluorosis for children in southwestern China.JOURNAL OF HAZARDOUS MATERIALS,185(2-3),1340-1347.
MLA Luo Kunli,et al."Coal-burning roasted corn and chili as the cause of dental fluorosis for children in southwestern China".JOURNAL OF HAZARDOUS MATERIALS 185.2-3(2011):1340-1347.
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