病例报告：单卵双胞胎前牙开牙合 正畸治疗结果及稳定性比较评估
Case Report: A comparative evaluation of anterior open bite orthodontic treatment outcomes and stability of results in monozygotic twins.
摘要(中文译文)
前牙开𬌗的治疗是正畸领域的一大挑战，主要因其病因复杂。本报告介绍了两名10岁女性单卵双胞胎的正畸与矫形治疗的演变过程。两名双胞胎均表现为牙性及骨性前牙开𬌗、舌推力、口呼吸、上颌狭窄伴前突及假性间隙、牙性及骨性II类错𬌗、高角生长型以及颈椎成熟度第3期。两名双胞胎的治疗方案均包括耳鼻喉科检查、通过高位牵引头帽进行矫形治疗、腭横杆（在腭环水平带有丙烯酸按钮）、针对舌推力及口周肌肉张力的肌功能训练、Roth 0.022英寸固定预调矫治器以及舌挡。两名患者的治疗结果不同：其中一名双胞胎的舌推力被消除，使得开𬌗得以通过矫形和正畸手段矫正，且在随访时未出现复发迹象；而另一名双胞胎的舌推力持续存在，因此开𬌗的正畸矫正仅为部分矫正，且在随访时呈现出复发倾向。尽管两名患者的正畸诊断和治疗方法相似，但临床结果不同，主要归因于患者在舌推力管理方面的依从性，以及可能在高位牵引头帽佩戴方案方面的依从性。
Abstract
Anterior open bite treatment represents an orthodontic challenge, mainly due to its' intricate etiology. This report presents the evolution of the orthopedic and orthodontic treatment of two female monozygotic twins, aged 10. Both twins presented dental and skeletal anterior open bite, tongue thrust, oral breathing, narrow maxilla with protrusion and fake spaces, dental and skeletal class 2, a hyperdivergent growth pattern and cervical vertebrae maturation stage 3. The therapeutic approach for both twins included an ENT examination, orthopedic treatment by means of High Pull Head Gear, trans palatal bar with an acrylic button at the level of the palatal loop, myofunctional exercises addressing the tongue thrust and the tonicity of the perioral muscles, a Roth 0.022 inch fixed preadjusted appliance and a tongue crib. Treatment results were different in the two patients, as for one of the twins tongue thrust was eliminated, enabling orthopedic and orthodontic correction of the open bite and presenting no signs of relapse at follow-up appointment, while for the other twin tongue thrust persisted, therefor the orthodontic correction of the open bite was only partial and presented with tendency toward relapse at follow-up appointment. Although the orthodontic diagnosis and therapeutic approaches were similar for both patients, the clinical outcomes were different mainly due to patients' compliance in the management of the tongue thrust and possibly, in the wearing protocol of the High Pull Head Gear.
如何引用
AMA
Olimpia Bunta, Mihaela Pastrav, Dana Festila. Case Report: A comparative evaluation of anterior open bite orthodontic treatment outcomes and stability of results in monozygotic twins.. Frontiers in oral health. 2026; doi:10.3389/froh.2026.1789325.
APA
Olimpia Bunta, Mihaela Pastrav, Dana Festila (2026). Case Report: A comparative evaluation of anterior open bite orthodontic treatment outcomes and stability of results in monozygotic twins.. Frontiers in oral health. https://doi.org/10.3389/froh.2026.1789325
GB/T 7714
Olimpia Bunta, Mihaela Pastrav, Dana Festila. Case Report: A comparative evaluation of anterior open bite orthodontic treatment outcomes and stability of results in monozygotic twins.[J]. Frontiers in oral health, 2026 doi:10.3389/froh.2026.1789325.
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