Aiello Domenico, Nucera Riccardo, Costa Stefania, Figliuzzi Michele Mario, Paduano Sergio
Department of Health, University Magna Graecia of Catanzaro, Viale Europa, Loc Germaneto, 88100 Catanzaro, Italy.
Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Section of Orthodontics, University of Messina, Italy.
Case Rep Dent. 2021 Sep 30;2021:3883187. doi: 10.1155/2021/3883187. eCollection 2021.
Monolateral and bilateral crossbites are amongst the most frequent forms of malocclusion in the world population. The lack of early correction of this type of malocclusion leads to the partial or total ossification of the sutures which then require surgical treatment in adult patients. In recent years, devices on minipalatal screws have noticeably increased the time window in which it is possible to correct these types of alterations. In this case report, we show how it is possible to correct a third-class skeletal malocclusion associated with a posterior bilateral crossbite in a young woman using a rapid expander on miniscrews and fixed orthodontic device to finalise the process. The procedure for the insertion of the palatal screws was aided by the use of a digitally printed surgical guide, and the appliance was applied in the same sitting thanks to the use of a digital flow software and a systematic easy driver. The CBCT scans show how the orthopaedic expansion of the upper maxilla was obtained without any important alterations that damaged the permanent teeth. This case report wishes to demonstrate how easy and predictable it can be to resolve cases of this type with optimal aesthetic and functional results even when body growth has ended.
单侧和双侧反颌是世界人口中最常见的错颌畸形形式之一。这类错颌畸形缺乏早期矫正会导致缝合线部分或完全骨化，成年患者随后需要进行手术治疗。近年来，微型腭螺钉装置显著延长了矫正这类畸形的时间窗口。在本病例报告中，我们展示了如何通过使用微型螺钉快速扩弓器和固定正畸装置，在一名年轻女性中矫正与双侧后牙反颌相关的Ⅲ类骨骼错颌畸形并完成整个过程。腭螺钉的植入过程借助了数字打印手术导板，并且由于使用了数字流程软件和系统化简易驱动器，矫治器在同一次就诊时就得以应用。CBCT扫描显示上颌骨的正畸扩弓是如何实现的，且未对恒牙造成任何严重损伤。本病例报告旨在证明，即使身体生长已经结束，以最佳的美学和功能效果解决这类病例是多么容易且可预测。
