<prompt> Dental fluorosis is best seen inCentral and lateral incisorsCentral incisors 1st molars1st and 2nd molarsCanines  <response>: Dental fluorosis occurs when excess fluoride is ingested during first 7 years of life years of tooth calcification It occurs at levels above 1.5 mglitre intake. It is characterized by Mottling Which is best seen on incisors of upper jaw Ref: Park 25th edition Pgno : 682 Ref:Parks Textbook of Preventive and Social Medicine 25th Ed Pgno : 682 