Restorative Therapy of MIH-Affected Molars.

One fourth of teeth affected by molar incisor hypomineralisation (MIH) have required or will require treatment due to pain, sensitivity, or posteruptive breakdown. Restorative treatment becomes necessary in cases of severe MIH, characterized by posteruptive breakdown, which exhibits a wide range of clinical characteristics. Until approximately 20 years ago, all techniques, materials, and research were developed for treating caries lesions, not hypomineralisation. Research attempting to evaluate approaches to MIH treatment is recent and inconclusive. Therefore, there is still insufficient high-quality scientific evidence to establish a definitive clinical protocol for treating this condition. Recommendations based on best clinical practices can be provided rather than conclusions supported by a high level of evidence. To assist in clinical judgment regarding the best treatment strategy, eligible therapeutic options for restoring MIH-affected molars will be presented based on the strength and adhesive potential of the remaining hypomineralised enamel. The literature presents options for restorative materials ranging from direct alternatives such as glass ionomer cement and resin composite, through prefabricated devices, such as stainless-steel crowns and orthobands, to indirect restoration alternatives. However, it is essential to understand the indications of each restorative alternative and to know the restorative techniques, many of which are specifically developed to mitigate the difficulties encountered with the use of conventional techniques. Emphasis will be placed on the importance of adopting a personalized approach to restorative decision-making, considering the philosophy of minimal intervention dentistry and potential benefits for the patient's well-being and the family's needs.

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