Long-term effects of orthodontic interceptive expansion treatment : A retrospective study.

IF 1.3 4区 医学 Q3 DENTISTRY, ORAL SURGERY & MEDICINE Journal of Orofacial Orthopedics-Fortschritte Der Kieferorthopadie Pub Date : 2024-11-01 Epub Date: 2023-04-28 DOI:10.1007/s00056-023-00467-1
Anne-Sophie Van de Velde, Laura De Boodt, Maria Cadenas de Llano-Pérula, Annoushka Laenen, Guy Willems
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Abstract

Purpose: The aim of this retrospective cohort study was to evaluate the long-term effects of interceptive orthodontic treatment with a removable expansion plate, based on transversal, sagittal, and vertical parameters.

Methods: A total of 90 patients needing interceptive treatment due to a crossbite or space deficiency were included. Records consisting of clinical photos, radiographs, and digital dental casts were collected for evaluation at two time points: the start of interceptive treatment (T0) and the start of comprehensive treatment (T1). Molar occlusion, overjet, overbite, presence and type of crossbite, mandibular shift, and transversal measurements were recorded for comparison.

Results: After expansion with removable appliances, a significant increase in intermolar width was achieved and could be maintained over the observation period (p < 0.001). However, no significant changes regarding overjet, overbite, or molar sagittal occlusion were observed. Crossbite correction was successful in 86.9% of patients with unilateral crossbite and in 75.0% of patients with bilateral crossbite (p < 0.001).

Conclusion: Early expansion with a removable expansion plate is a successful method to correct crossbites and increase intermolar width in the early mixed dentition phase. Results remain stable until the start of comprehensive treatment in the permanent dentition.

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正畸阻断性扩张治疗的长期效果 :回顾性研究
目的:这项回顾性队列研究的目的是根据横向、矢状和垂直参数评估使用可摘扩弓板进行阻断性正畸治疗的长期效果:共纳入了 90 名因交叉咬合或间隙不足而需要进行阻断治疗的患者。收集了临床照片、X光片和数字牙模等记录,在两个时间点进行评估:阻断性治疗开始时(T0)和综合治疗开始时(T1)。记录臼齿咬合、过咬合、过咬合、交叉咬合的存在和类型、下颌移位和横向测量值,以便进行比较:结果:使用活动矫治器扩弓后,磨牙间宽度显著增加,并在观察期内保持不变(p 结论:使用活动矫治器扩弓后,磨牙间宽度显著增加,并在观察期内保持不变:在早期混合牙列阶段,使用可摘扩弓板进行早期扩弓是矫正交叉咬合和增加磨间宽度的成功方法。在恒牙期开始综合治疗之前,效果一直保持稳定。
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来源期刊
CiteScore
3.90
自引率
0.00%
发文量
64
审稿时长
>12 weeks
期刊介绍: The Journal of Orofacial Orthopedics provides orthodontists and dentists who are also actively interested in orthodontics, whether in university clinics or private practice, with highly authoritative and up-to-date information based on experimental and clinical research. The journal is one of the leading publications for the promulgation of the results of original work both in the areas of scientific and clinical orthodontics and related areas. All articles undergo peer review before publication. The German Society of Orthodontics (DGKFO) also publishes in the journal important communications, statements and announcements.
期刊最新文献
The effects of professional expertise on perceptions of treatment need in patients with class II division 1 malocclusion: a comparison between orthodontists, general dentists, and lay people in Germany. Mitteilungen der DGKFO. Effect of orthodontic extraction of mandibular premolars on third molar angulation after treatment with fixed appliances : A cross-sectional study. Long-term effects of orthodontic interceptive expansion treatment : A retrospective study. Scanning electron microscopy evaluation of enamel surfaces using different air-polishing powders in the orthodontic setting: an in vitro study.
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