Orthodontic treatment after intrusive dislocation and fracture of the maxillary central incisors

The treatment for intrusive dislocation is a clinical challenge and must be started soon after the intrusion injury.The affected tooth or teeth must be extruded by using light forces. This case report of traumatic intrusion of per-manent central incisors aims to describe and discuss the process of repositioning the teeth in the dental arch.After a domestic accident, a 10-year-2-month-old boy suffered 11-mm intrusion of the maxillary central incisorsalong with enamel-dentin fracture and subluxation of the maxillary lateral incisors. Treatment started 2 days afterthe incident with an orthodontic extrusion of the maxillary central incisors with afixed edgewise standard appli-ance. Orthodontic arches were used, and the force vectors were directed to the desired locations for the repo-sitioning of the teeth. The treatment for extrusion and stabilization of the maxillary central incisors lasted5 months and 22 days. Orthodontic traction with afixed appliance is an effective procedure for the extrusionof both permanent maxillary central incisors intruded after trauma. Correct diagnosis, a short period betweenthe trauma and the beginning of treatment, and appropriate mechanics were determining factors for a successfultreatment. (Am J Orthod Dentofacial Orthop 2021;160:757-63)

Automated summary

The treatment for intrusive dislocation of permanent central incisors involves extrusion and stabilization of the affected teeth using orthodontic appliances. Quick diagnosis and initiation of treatment after trauma, along with appropriate mechanics, are crucial for successful outcomes in such cases.