Stressing that community water fluoridation remains an important tool in fighting tooth decay, public health officials have updated their recommendation for the “optimal” level of fluoride in drinking water nationwide.
The new standard, 0.7 milligrams of fluoride per liter of water, was announced on April 27 by the U.S. Department of Human Services.
The level replaces a recommended range of 0.7 mg to 1.2 mg of fluoride per liter of water in place since 1962.
The optimal level, according to the U.S. Centers for Disease Control and Prevention, is considered to be when the amount fluoride in drinking water is adequate to help prevent tooth decay in children and adults while limiting risk of problems such as fluorosis, a discoloration or mottling of the tooth enamel that can be caused by exposure to too much fluoride. Continue reading