This article discusses the use of SleeperOne® 5 intraosseous anesthesia. Specifically, it focuses on its application in a condition known as Molar Incisor Hypomineralisation (MIH). MIH is a condition affecting teeth. Two main interventions were examined as part of the study. One of these was the use of SleeperOne® 5 Computer-Controlled Intraosseous Anesthesia. The second intervention was conventional local anesthesia. The study was sponsored by Ankara University. The project has been completed.