Origin of mottled enamel
First recorded in 1925–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Defective enamel formation, varying in appearance from small white opacities to yellow and black spotting, due to excessive fluoride ingestion during tooth formation.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.