Abstract
The aim of this report was to present the long-term clinical and radiographic outcomes of a case including severe unintentional extrusion of mineral trioxide aggregate (MTA). An 11-year-old boy was referred with a previously traumatized permanent central incisor which was temporarily treated by using calcium hydroxide root canal filling material. Since having an open apex and a large periapical lesion, root canal treatment with MTA apexification was planned. During the apexification process, a huge amount of MTA was unintentionally extruded into periapical tissues. The parents were informed about the complication, and the obturation of the remaining root canal was completed. Clinical and radiographic follow-up was performed for 4 years. Complete healing of periapical lesion was confirmed by the radiographic follow-up at the 48th month. Patients should be followed-up for giving a chance to observe periapical healing without any surgical removal if the MTA is unintentionally extruded.
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