Vol. 15 – Number 57 – 2022 How-to Column Page 6-14 Usefulness of free software for three-dimensional visualization of impacted tooth extracted from CBCT David Silveira Alencar1 Caroline Pelágio Maués Casagrande2 Diego Junior da Silva Santos3 Jonas Capelli Junior4 José Augusto Mendes Miguel5 Abstract Not long ago, two-dimensional (2D) images were routinely used for orthodontic planning and diagnosis. The use of cone-beam computed tomography (CBCT) added a greater level of detail to the images and, thus, increased the quality of the diagnosis of malocclusions. Diagnosis of impacted canines with three-dimensional (3D) images has advantages over diagnosis and planning based on 2D radiographic images. It is possible to generate virtual models in the three planes of space through images acquired by CBCT. In cases of impacted canines, these 3D images are valuable for the orthodontist to assess the actual position of the impacted canine and, especially, to assess whether there is resorption of adjacent roots caused by the impacted canine. Thus, this present article aims to demonstrate the step-by-step the use of free software for the acquisition of three-dimensional images, using digital files generated by CBCT exams. Descriptors: Malocclusion, Orthodontics, three-dimensional images, tooth abnormalities. 1 MSc in Dentistry, area of concentration in Orthodontics, UFF, PhD student in Dentistry, area of concentration in Orthodontics, UERJ. 2 MSc in Dentistry, concentrated in Orthodontics, UERJ. PhD student in Dentistry, concentrated in Orthodontics, UERJ. 3 PhD in Dentistry, Department of Orthodontics, UERJ. Diplomate of the Brazilian Board of Orthodontics and Dentofacial Orthopedics. 4 Professor of Orthodontics, UERJ, Former President of the Brazilian Board of Orthodontics and Dentofacial Orthopedics, General Coordinator of the PhD Program in Dentistry, UERJ. 5 Associate Professor of Orthodontics and Coordinator of the MSc Program in Dentistry, concentration area in Orthodontics, UERJ, Diplomate of the Brazilian Board of Orthodontics and Dentofacial Orthopedics. DOI: 10.24077/2022;1557CSF1902
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