Early approach to skeletal Class II malocclusion with maxillary atresia and anterior open bite and the use of ClearCorrect aligners – case report

Vol. 14 – Number 53 – 2021 Digital Dentistry in Science Notebook Page 97-106 Early approach to skeletal Class II malocclusion with maxillary atresia and anterior open bite and the use of ClearCorrect aligners – case report Roberto Hideo Shimizu1 Isabela Almeida Shimizu2 Ana Cláudia M. Melo Toyoffuku3 Rebecca Marquesini4 Tatiane Travizan Lima5 Marcela Villegas6 Abstract Adequate planning and early treatment of Angle Class II malocclusion with maxillary atresia and anterior open bite provides harmonization of maxillomandibular bone bases in the three planes of space. Orthodontic aligners have emerged as an alternative treatment having the following advantages: being more aesthetic and more comfortable for the patient, less treatment time when they are correctly indicated, less chairside time, less complications, possibility of remote monitoring, easier feeding, and dental hygiene. On the other hand, they offer difficulties to treat adults with severe skeletal Class II malocclusions, posterior crossbite and anterior open bite. Therefore, the objective of this clinical case report is to early correct skeletal Class II malocclusion with maxillary atresia through the use of mechanical orthopedics and devices that help eliminate habits and close the anterior open bite, and later the use of orthodontic aligners to finish the treatment. It was concluded that the early interceptive treatment of malocclusion was efficient to harmonize the bone bases in the anteroposterior, vertical, and transversal directions, changing this malocclusion from high to low complexity and, consequently, highly predictable and with an excellent prognosis for treatment with orthodontic aligners. The treatment with ClearCorrect aligners corrected the occlusion in a shorter period of time when compared to corrective orthodontics and with a high predictability in relation to the virtual setup. Descriptors: Angle Class II malocclusion, anterior open bite, maxillary atresia, orthodontic aligners, ClearCorrect. 1 Professor of Orthodontics and Children’s Clinic – UTP-PR and Post-graduation Latu and Stritu Sensu – ILAPEO School, Coordinator of Specialization in Orthodontics – ILAPEO Orthodontics – ILAPEO College, KOL – ClearCorrect/Straumann, MSc, PhD and Post-Doc in Orthodontics – UNESP-Araraquara. 2 Professor, Post-graduation in Orthodontics, ILAPEO School, MSc in Orthodontics and PhD in Health Sciences, PUC-PR, KOL – ClearCorrect/Straumann. Correct/Straumann. 3 Professor of Orthodontics, Latu and Stritu Sensu Post-graduation – ILAPEO College, Academic Director of Post-graduation – ILAPEO College, KOL – ClearCorrect/Straumann. ClearCorrect/Straumann, MSc, PhD and Post-Doctorate in Orthodontics -UNESP-Araraquara. 4 Dental surgeon – UTP-PR. 5 Dental surgeon – UTP-PR, Post-graduation student in Orthodontics. 6 Specialist in Orthodontics, ILAPEO School, MSc in Orthodontics, ILAPEO School. DOI: 10.24077/2021;1453-97106