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ID#:4751
Description:Caption:
This historic photograph depicts a portrait of Dr. Frederick S. McKay. In 1931, Dr. McKay discovered that a high level of fluoride in the drinking water of the Colorado Springs area was causing brown enamel stains, as well as a resistance to tooth decay among the native inhabitants, leading to the fluoridation process.
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Content Providers(s):CDC
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Copyright Restrictions:Yes - This image is copyright protected. Any public or private use of this image is subject to prevailing copyright laws.Please contact the content provider of this image for permission requests.

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