Severe anterior open bite in a Class II hyperdivergent adult patient: A case report of clear aligner orthodontic camouflage treatment

IF 1.8 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

International Orthodontics Pub Date : 2025-02-17 DOI:10.1016/j.ortho.2025.100989

Francesca Cremonini, Virginia Falconi, Lisa Carazzato, Mario Palone, Luca Lombardo

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Abstract

The aim of this study was to describe the successful treatment of an anterior open bite in an adult Class II hyperdivergent patient. A 31-year-old female presented for orthodontic treatment, seeking an aesthetic solution to correct her anterior open bite and lower crowding to enhance her smile. As an initial step, all third molars were extracted to facilitate the forward rotation of the mandible and the initial closure of the open bite. Subsequently, clear aligner therapy (F22 aligners, Due Carrare, Italy) was initiated, with aligners changed every 15 days in combination with Class II elastics. Bite closure was achieved through programmed interproximal reduction (IPR) and the retroclination of anterior teeth. At the end of treatment, the open bite was successfully closed, a Class I relationship was obtained on the right side, and an edge-to-edge Class II relationship persisted on the left due to underlying skeletal asymmetry. Additionally, incisor exposure during smiling was improved. This clinical case demonstrates that clear aligners can effectively compensate a functional anterior open bite by promoting mandibular forward rotation and incisor retroclination.

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严重前牙开咬1例ⅱ类超发散成人：透明矫正器正畸伪装治疗1例

本研究的目的是描述成功治疗成人II类超发散患者的前牙开咬。一名31岁的女性前来正畸治疗，寻求一种美学的解决方案来纠正她的前牙开咬和减少拥挤，以提高她的微笑。作为第一步，拔除所有第三磨牙，以促进下颌骨的向前旋转和开放咬合的初步闭合。随后，开始了明确的矫正器治疗（F22矫正器，Due Carrare，意大利），每15天更换一次矫正器，并结合II类弹性器。通过程序近端间复位（IPR）和前牙后倾实现咬合。在治疗结束时，开放的咬合成功关闭，右侧获得I类关系，由于潜在的骨骼不对称，左侧保持边缘到边缘的II类关系。此外，微笑时门牙的暴露也有所改善。本临床病例表明，透明矫正器可以通过促进下颌前旋和门牙后倾来有效地补偿功能性前开咬。

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来源期刊

International Orthodontics DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

2.50

自引率

13.30%

发文量

审稿时长

26 days

期刊介绍： Une revue de référence dans le domaine de orthodontie et des disciplines frontières Your reference in dentofacial orthopedics International Orthodontics adresse aux orthodontistes, aux dentistes, aux stomatologistes, aux chirurgiens maxillo-faciaux et aux plasticiens de la face, ainsi quà leurs assistant(e)s. International Orthodontics is addressed to orthodontists, dentists, stomatologists, maxillofacial surgeons and facial plastic surgeons, as well as their assistants.