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KMID : 0358920170440020210
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Journal of the Korean Academy of Pedodontics
2017 Volume.44 No. 2 p.210 ~ p.219
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Prevalence and Clinical Features of Molar-Incisor Hypomineralization in Adolescents in Yangsan
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Shin Jong-Hyun
Lee Geum-Lang
Kim Jong-Soo
Kim Ji-Yeon
Kim Shin
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Abstract
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This study aimed to investigate the prevalence and distribution of enamel hypomineralization, including molar-incisor hypomineralization (MIH), among adolescents and assess their correlation with esthetic satisfaction. A total of 1371 adolescents between the ages of 14 and 16 years in Yangsan city were evaluated for enamel hypomineralization, including MIH, according to the European Academy of Paediatric Dentistry (EAPD) criteria. In a parallel survey, esthetic satisfaction about anterior teeth and its correlation with incisor enamel hypomineralization were analyzed. The prevalence of MIH was 13.8% (n = 189), while that of hypomineralization in any permanent tooth was 23.2% (n = 318), which was substantially greater compared to the national prevalence of MIH. Mandibular first molars exhibited the highest prevalence of hypomineralization, followed by maxillary central incisors and mandibular second molars. Among anterior teeth, the most frequently affected site was the incisal edge of maxillary central incisors. A high degree of hypomineralization in anterior teeth was associated with a high demand for esthetic treatment.
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KEYWORD
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Molar incisor hypomineralization , Adolescents , Prevalence , Esthetics , Anterior tooth
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