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Anterior teeth with subgingival fractures require a complex treatment plan that addresses biologic, functional and aesthetic factors. This case report describes the management of a crown-root fractured maxillary left central incisor. An interdisciplinary approach was used to restore the tooth due to the complex nature of the treatment. Orthodontic extrusion was performed to move the fracture line above the alveolar bone and periodontal surgery to recontour the altered gingival margin. Finally, the incisor was restored performing a root canal retreatment with a fiber post and a full ceramic crown. The treatment resulted in secured periodontal health and good aesthetics. Key words: Crown-root fracture, orthodontic extrusion, crown lengthening, root canal retreatment, full ceramic crown., Competing Interests: Conflict of interest statement: The authors have declared that no conflict of interest exist.

Dental treatment in patients with Autism Spectrum Disorders (ASD) can be complicated due to the presence of behavioral alterations. In this group, there are no specific behavioral profiles that allow dentist to anticipate the attitude that a patient will show during a visit. Thus, behavioral attitudes have been described that vary from total permissiveness and collaboration during even bloody procedures, to the absolute impossibility in conducting a simple oral examination. There is no effective behavioral management technique for all ASD patients. Prior information, such as the type of ASD or the presence of certain concurrent pathologies can help predict the patient's likely behavior. Therefore, gathering all the information in a preliminary interview with the parents/guardians of the patient is recommended. Knowing these factors will allow individualized behavioral management strategies to be designed and facilitates the planning of dental treatment.

One of the main limitations of orthodontic treatment in partially edentulous patients is the lack of anchorage to obtain desirable tooth movement. Coordination between the orthodontist, periodontist, and restorative practitioner is essential when planning treatment for these patients. Implants can be used not only in the definitive prosthetic solution but can also be of great benefit as stable abutments during orthodontic therapy. For ideal results, it is essential to establish an orthodontically favorable position for an implant and, more importantly, the best position for an adequate restoration following orthodontic treatment. The aim of this article is to demonstrate the use of implants in orthodontic movement to provide easier and more predictable restorative treatment.