Abstract
Highlights • The gold standard for diagnosis of tooth ankylosis is failure to move during traction. • An impacted and ankylosed maxillary incisor was successfully moved via loosening and traction. • Cone-beam computed tomography superimposition based on stable structures evaluated tooth movement. • In this era of dental implants, tooth-saving treatment remains the most desirable option. Impacted teeth are a common problem in orthodontic practice. In patients who have a tooth that needs to be saved, orthodontic traction is usually the first treatment choice. However, traction is not always successful with severe ankylosis of the impacted tooth. Therefore, a method of surgically-assisted orthodontic traction has been proposed to address this problem. This case report illustrates the treatment of a 19-year-old female with an impacted ankylosed maxillary left incisor. After unsuccessful single orthodontic traction, surgical-assisted orthodontic traction was performed. The impacted incisor was successfully extruded, and as a result of treatment, the occlusion, profile, and smile esthetics were improved. Occlusion and the overall profile remained satisfactory for one year after retention. This case study indicates that treating impacted ankylosed teeth with an orthodontic-surgical multidisciplinary approach can improve function, occlusion, and facial esthetics.
Published Version
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