Aim: To describe a case of a necrotic immature mandibular central incisor with sinus tract and periradicular radiolucency that underwent revascularization using Biodentine as coronal sealing material. Summary: Revascularization procedures provide a more predicable outcome by rendering continued root development of immature apices. This case report describes the successful revascularization procedure on a mandibular incisor in a 15-year-old patient, with the resolution of the associated

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... l pathology within 18 months. The tooth was treated using coronal root irrigation by 6% NaOCl and triple antibiotic paste without instrumentation. This conservative treatment approach combined with a coronal seal of a bioactive material like Biodentine can preserve the vitality of the dental pulp stem cells and create a suitable environment for pulp revascularisation, resulting in the completion of root maturation.