Laser therapy in Molar-Incisor Hypomineralization (MIH) teeth treatment of hypersensitivity: a systematic review.

This review investigated the effects of hypersensitivity treatment on molar-incisor hypomineralization (MIH) using laser therapy, combined or in conjunction with other therapeutic modalities. The review was conducted according to the PICOS strategy (Population, Intervention, Comparison, and Outcome) and was performed in March 2024 using the Web of Science, PubMed, Scopus and Embase. The RoB 2 tool was employed to evaluate the risk of bias. Seven articles were included, and none were classified as "high risk" for bias. The recommended wavelengths for laser application ranged from 808 to 810 nm, with an irradiation duration of at least 10 s per point. In two studies, the interval between application sessions varied from 48 to 72 h, with a dosage of 1 J. Three studies incorporated a control group that received some form of fluoride-based treatment. Overall, all studies demonstrated a degree of improvement in dentin hypersensitivity after the laser therapy treatment alone. The application of laser therapy for MIH, whether used in isolation or in combination with other desensitizing strategies, exhibited potential for the long-term reduction of hypersensitivity. (CRD42023424401).