“…Authors have used various terms to refer to this condition, including 'hypomineralised permanent first molars', 'idiopathic enamel hypomineralisation', 'nonfluoride hypomineralisation', and 'cheese molars' (1,2,3). Enamel hypoplasia (EH) can involve a quantitative defect in the enamel resulting from the disturbance of ameloblasts during matrix formation (4,5,6) and/or a qualitative defect caused by disturbance during initial calcification and/or maturation (4,5). The term molar incisor hypomineralisation (MIH) was accepted at the meeting of the European Academy of Paediatric Dentistry to define qualitative defects of the enamel affecting one to four FPMs in association with similar defects in permanent incisors and canines (7).…”