![]() ![]() 3, 5, 7, 8 Children with HSPM have a higher chance of developing MIH. ![]() 7 For MIH, the prevalence ranges between 8% and 19% among Dutch and Scandinavian children aged six to thirteen years. 6 The prevalence of HSPMs is about 4.9% in 6‐year‐old Dutch children. 3 Although hypomineralization is not restricted to those few index teeth and can be diagnosed in any tooth of both dentitions, a patient can only be diagnosed with HSPM/MIH if he or she has at least one affected second primary molar or first permanent molar, respectively. 3, 4, 5 In patients with MIH incisors of the upper jaw can also be involved and in rare cases incisors of the lower jaw. 1, 2, 3 This anomaly can be divided into hypomineralization of second primary molars, called hypomineralized second primary molars (HSPMs), and hypomineralization of permanent first molars, called molar incisor hypomineralization (MIH). Dental enamel hypomineralization is an anomaly of dental enamel in which the affected enamel contains less mineral than sound enamel and is more susceptible to caries. ![]()
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