<prompt> Dr. J. M. Eager reported the occurrence of brownish colored stains among majority of the residents in Naples which was termed as-Denti di chiaieMottled enamelFluorosis stainColorado stain  <response>: In 1912, McKay found an article written by Dr. J. M. Eager in 1902 reporting the unusual occurrence of brownish colored stains among majority of the residents in Naples. Eager had termed these brownish discolorations as denti di chiaie. 