The design and clinical application of a new appliance to treat impacted maxillary central incisors

Abstract

Maxillary central incisor impaction is one of the most common types of dental anomalies in children. Treatment of impacted central incisors is complicated and challenging given the position of the impacted central incisors, root development, and the complexity of the crown eruption direction. This study aimed to describe the use of a new multifunctional appliance for the treatment of impacted maxillary central incisors. This article reports the use of a novel appliance for the treatment of impacted maxillary central incisors. We describe the cases of two young patients with labial horizontally impacted maxillary central incisors. Both patients were treated using this novel appliance. Therapeutic effects were evaluated by comparing the pretreatment results, posttreatment cone-beam computed tomography images, and posttreatment clinical examination results. At the end of the treatment period using the novel appliance, the impacted central incisors had successfully been properly aligned in the dental arch, and the tooth roots had not resorbed. Both patients exhibited good dental alignment, with restored function and acceptable aesthetics. This article demonstrates that the new appliance was comfortable, convenient, safe, and effective in the treatment of impacted maxillary central incisors and that its clinical use should be promoted in the future.

Orthodontic Treatment of Palatally Impacted Maxillary Canines with the Use of a Digitally Designed and 3D-Printed Metal Device

“…A method to deliver physiologic force for the extrusion of palatally impacted maxillary canines was presented by Tepedino et al [ 32 ], using a stainless steel cantilever welded to a transpalatal bar, where the free end of the cantilever wire was rolled multiple times. Finally, a new appliance to treat impacted maxillary incisors, incorporating a Nance arch, a traction hook, an M bracket and molar bands with buccal tubes, was introduced by Peng et al [ 33 ], which can be modified for the traction of impacted canines.…”

Orthodontic-Surgical Management of Impacted Maxillary Central Incisor Related to Supernumerary Tooth: a Case Report

“…Impaction of the maxillary central incisor may cause rotation, shifting, and root resorption of the adjacent teeth, loss of eruption space, underdevelopment of the anterior part of the maxilla, and crossbite [6]. In addition to this, maxillary incisors are the most prominent teeth in an individual's smile as they are on maximal display during speech in most individuals [7].…”