Editor,—The association between coeliac disease and dental enamel defects (DED) is already known.1 These defects range from discolouring to pitting, grooving, and total loss of enamel, and are considered to be coeliac disease specific when distributed symmetrically and chronologically in all four sections of dentition. The Italian Society of Pediatric Gastroenterology and Hepatology (SIGEP) promoted a multicentre study for evaluating the prevalence of DED in a large group of Italian patients with coeliac disease. A total of 603 children with coeliac disease were studied (327 girls, 276 boys, mean age 17.8 years) in 13 Italian centres for paediatric gastroenterology. All subjects had permanent or …