fluorosis

fluor- +‎ -osis

fluorosis (plural fluoroses)

1. (medicine) Any adverse condition due to an excess of fluoride.
   • 2005 February 9, Dr. Mercola, “Get That Fluoride Out of Your Tea!”, in mercola.com‎, retrieved 2013-10-05:

     There's no doubt about it: Fluoride should not be ingested. Even scientists from the EPA's National Health and Environmental Effects Research Laboratory have classified fluoride as a "chemical having substantial evidence of developmental neurotoxicity.” Furthermore, according to the Centers for Disease Control and Prevention (CDC), 41 percent of American adolescents now have dental fluorosis—unattractive discoloration and mottling of the teeth that indicate overexposure to fluoride.