HIPOMINERALIZAÇÃO MOLAR-INCISIVO: UM DESAFIO NA ROTINA DA ODONTOPEDIATRIA DO SÉCULO XXI
Resumo
A Hipomineralização Molar-Incisivo (HMI) é um defeito de desenvolvimento do esmalte dentário, de origem sistêmica, desencadeado na amelogênese durante o estágio de maturação. Resulta em quantidade normal do esmalte dentário, mas mineralização deficiente, ou seja, é um defeito qualitativo que pode afetar de um até os quatro primeiros molares permanentes, podendo estar ou não presente nos incisivos permanentes. É caracterizada por opacidades demarcadas, normalmente lisas e regulares que podem variar sua coloração entre o branco, amarelo ou marrom. Segundo dados epidemiológicos, sua prevalência aumentou nos últimos anos, atingindo diferentes sexos, etnias e raças. Sua etiologia, ainda não definida, apresenta como possíveis causas fatores ambientais e sistêmicos, além da evidência de fatores genéticos. Diante do diagnóstico da HMI a conduta clínica do Cirurgião-Dentista irá depender da severidade do defeito e das sequelas decorrentes desta alteração. Assim, considerando a HMI como um desafio na rotina da Odontopediatria e visando proporcionar melhor conhecimento e entendimento acerca dessa ocorrência, este trabalho teve como objetivo efetuar uma revisão de literatura, abordando sua prevalência, os possíveis fatores etiológicos, características, diagnósticos diferenciais, implicações clínicas e tratamentos. Os artigos selecionados foram analisados na íntegra e discutidos de maneira descritiva.
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