TARA NAND MANDAL
Abstract
Dental and skeletal fluorosis associated with minor complains like blackening, loosening and falling of teeth are associated with intake of excessive fluoride with drinking water. Analysis of drinking water of different parts of Katihar district of North Bihar showed abnormal level of fluoride ion (0.7 to 10.0 or more mg L-1). A survey of dental and skeletal ailments in North Bihar especially in Katihar district related to fluoirde concentration in drinking water were done and has been explained in present communication.