Late Replantation (24 Hours) of an Avulsed Immature Maxillary Central Incisor in a Child: Biological Challenges and Therapeutic Considerations – A Case Report

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DOI: 10.48087/BJMS.2026.130414

Authors: Amel Rania BENYOUB, Nawel ALLAL, Fouad OUDGHIRI, Amina KEDDAR, Houda BENTURQUIA, Mohammed Zakarya KECHEKOUCH

Affiliations: Service d’odontologie conservatrice et endodontie, CHU Tlemcen – Algérie.

Abstract

Tooth avulsion is a dental emergency whose prognosis depends on extra-oral time and the choice of storage medium. This case report describes a 10-year-old boy who presented 24 hours after avulsion of tooth 21, which had been stored dry in the interim. Despite a delay far exceeding the IADT 2020 guidelines, replantation was attempted in order to preserve aesthetics and alveolar bone. The protocol included atraumatic replantation, flexible splinting, and antibiotic therapy. Follow-up was, however, complicated by the patient’s repeated absences from recall appointments, which contributed to the early onset of inflammatory root resorption. Rigorous endodontic disinfection combined with MTA apexification successfully stabilized the tooth. At one-year follow-up, the tooth remains functional with preserved alveolar bone. This case underscores the critical role of patient cooperation in the long-term success of late replantations.

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Keywords:dental avulsion, late replantation, immature tooth, apexification, dental trauma.