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This literature review studies the use of laser therapy in pulpal revascularization, since this therapeutic method has been gaining more and more space in dentistry. This procedure consists of the use of low power laser rays that will be absorbed by the pulp tissue present in the biostimulation of these cells, thus promoting the restoration of cell function and tissue repair. When talking about laser in dentistry, its importance in regenerative endodontic procedures is indisputable, in addition to promoting bone repair, as well as reducing the microbiota of root canals. It also acts in the prevention of a painful postoperative period, when applied soon after the endodontic session. It is important to emphasize that the application of this therapy requires further studies and prior training by the dentist in order to ensure, in addition to its greater effectiveness, adequate protection for the patient.