Lecture Description
Introduction : Due to the increase in aesthetic interest, recently, various removable devices have been used again widely in the orthodontic field. Among them, the representative will be a group including Invisalign and Clear aligner. However, despite many advantages, these devices have many biomechanical disadvantages also. This presentation will introduce the design and effect of a hybrid removable devices that adds elements which can effectively overcome these shortcomings.
Case Summary : 1. Hybrid appliances for space closing ; These devices are very effective in correcting multiple spaces as well as relapse of the extraction space after orthodontic treatment. Unlike conventional devices, this purpose can be achieved with one device without periodic replacement of the device. 2. Hybrid appliances for expansion ; Without screw type expander, effect maxillary or mandibular arch expansion can be achieved using this appliances. There is also an advantage that many patients who use the device can become accustomed to using this device in a short time compared to the conventional removable devices. 3. Hybrid appliances for Class II or Class III correction ; When implemented with proper muscle control, it is possible to effectively improve crossbite or large overjet only by adding parts that can induce alveolar bone stimulation.
Conclusion : Aligner-type removable devices have fundamental limitations, including materials' characteristics, despite the advantage that occlusal force can be used for treatment. This presentation introduced the use of parts that can overcome these shortcomings and the new invented designs of aligner for correcting various malocclusion were introduced also. The introduced hybrid devices were patient-friendly and the clinical results were very effective compared to the existing devices.
October 28-30, 2022 ¡¤ COEX, Seoul, Korea