Management of Severe Anterior Crowding in an Adult Using Novel 3D-Printed Distalization Jig and Clear Aligners: A Case Report
DOI:
https://doi.org/10.15517/sx2s1b20Keywords:
Clear aligner; Digital dentistry; Palatoversion; Patient expressed satisfaction; 3D-printed distalization jig.Abstract
Addressing anterior crowding in adult patients has become increasingly reliant on clear aligner therapy, driven by growing aesthetic demands. However, the challenge of creating sufficient space for proper alignment often requires additional methods. One such method is molar distalization, which can be particularly effective when enhanced by a custom 3D-printed distalization jig combined with mini-screws. This combination not only facilitates bodily molar movement but also helps prevent undesirable tipping, ensuring more controlled results. This case reported the management of severe anterior crowding in an adult patient using clear aligner treatment assisted by a custom 3D-printed distalization jig and mini-screw. In the case presented, a 26-year-old male patient with severe anterior crowding was treated with clear aligners, augmented by a custom-designed 3D-printed jig and mini-screw anchorage. The patient had a Class II canine malocclusion, palatoversion of the maxillary lateral incisor, and a noticeable 2.3 mm maxillary midline shift to the right. Elastic chains attached to mini-screws were used to activate the jig, generating the required counteracting moment for bodily molar movement. Upon review of the post-treatment records, the results showed significant improvement: crowding was resolved, and the midline was successfully corrected. The inclination of the maxillary central incisors (U1-SN) increased to 104.98°, while the IMPA remained within the normal range at 93.22°. Superimposition analysis confirmed that molars had undergone bodily distalization, as opposed to mere tipping. The patient was highly satisfied with both the aesthetic improvements and the overall facial profile transformation.
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