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Background: Crown root fractures are usually caused by severe horizontal trauma, involving enamel, dentine, and cementum, and continue down to the gingival margin. One of the most common areas affected by trauma in the mouth is maxillary central incisors. Case Presentation: A10-year-old boy fractured his maxillary central incisors. The fracture line involved the pulp and extended subgingivally on the palatal aspect invading the biologic width. The procedure used to manage this case included endodontic treatment of residual teeth and surgical extrusion to move the fracture line above the alveolar bone. Finally, the teeth were restored with composite buildup. Conclusion: During 24-month follow-up period, the teeth did not show any signs of root resorption. Therefore, surgical extrusion is recommended as a treatment option for crown/root fractures. *Correspondence to Zahra Karimizade, Tel: 09171860125, Email: Zahra_kmz69@yahoo. com Background Although the oral region comprises only 1% of the total body area, oral injuries account for 5% of physical injuries of all ages. The most common etiologic factors are injuries from falls, bicycles, cars and collisions (1). In a study, Glendor demonstrated that one-third of all children have suffered a traumatic dental injury involving the primary dentition and one-fourth of all school children have suffered a trauma to the permanent dentition (2). One of the most common areas affected by trauma in the mouth is maxillary central teeth due to their position and arch prominence in this region (3). The impact of dental trauma on a child’s confidence is of great importance as most dental traumas occur in the early years of life and adolescence, which are important periods of psychological development of a child (2). Anterior tooth trauma is a very bitter experience for young patients and has a psychological impact on the patient and his/ her parents. If the injury results in the loss of extensive tooth structure, it changes the appearance of the child and makes the child be ridiculed by other children (4). Injuries to the tooth and its supporting structures may vary from enamel fractures to avulsion, with or without pulp involvement and bone fractures. Crown root fractures are usually caused by severe horizontal trauma, involving enamel, dentine, and cementum and continue Management of Immature Permanent Teeth With Crown-Root Fracture: A Case Report With a 24-Month Follow-up Received Dec. 1 2019 Accepted Dec. 15 2019 ePublished Dec. 3