Enamel erosion...multiple cases with a common cause (?).
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006801:Humans; D006851:Hydrochloric Acid / Q000494:pharmacology; D008297:Male; D013550:Swimming; D014077:Tooth Erosion / Q000209:etiology*; D014867:Water
D014867:Water; D006851:Hydrochloric Acid