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What's new in molar incisor hypomineralization? Mihiri J Silva Nicky Kilpatrick Felicity Crombie Aghareed Ghanim David Manton Dental Update 2024 44:2, 707-709.
Authors
Mihiri JSilva
BDSc, MDSc, DCD, PhD Candidate
Department of Paediatrics, University of Melbourne and Murdoch Children's Research Institute, Institute, Melbourne, Australia (mjsilva@student.unimelb.edu.au)
Molar Incisor Hypomineralization (MIH) poses a significant challenge to clinicians worldwide. Since its description in 2001, extensive research has provided some insight into the condition, its aetiology, natural history and management. An appreciation of the unique clinical features and management considerations of MIH is essential to maximize patient outcomes. Early diagnosis is the first of several key steps in developing an appropriate management plan, which must account for short- and long-term needs of the patient. While traditional caries preventive approaches are important, more proactive restorative strategies may also be useful.
CPD/Clinical Relevance: This review provides clinicians with an update of the recent literature and discusses the contemporary management of MIH.
Article
It has been over a decade since the term Molar Incisor Hypomineralization (MIH) was first proposed by Weerheijm et al to describe demarcated, qualitative enamel defects of systemic origin affecting one or more first permanent molars with or without incisor involvement.1 This unifying definition and subsequent publication of assessment criteria pre-empted a considerable, worldwide research effort to understand the condition better.2 While many questions, principally in relation to aetiology, remain unanswered, the growing understanding of MIH has translated into clinical gains, particularly relating to diagnosis and management.
MIH is unique amongst developmental defects of systemic origin in that only the first permanent molars (FPMs), and sometimes the incisors, are affected. However, this definition has recently been the subject of some debate, as similar lesions have been reported in other primary and permanent teeth.3,4 The term ‘hypomineralized second primary molars’ (HSPM) is now used to describe similar lesions in the second primary molars, with the condition being considered a risk factor for MIH.5,6,7
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