Long-term (≥ 15 years) outcome quality after Class II:1 bionator or Herbst multibracket appliance treatment : A comparison.

IF 1.3 4区 医学 Q3 DENTISTRY, ORAL SURGERY & MEDICINE
Niko Christian Bock, Rebecca Jungbauer, Ingrid Rudzki, Peter Proff, Sabine Ruf
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引用次数: 0

Abstract

Purpose: To compare the long-term outcome quality (≥ 15 years) of Class II:1 treatment using either a bionator (BIO) or a Herbst-multibracket appliance (HMB).

Methods: Patients who underwent functional treatment during the ideal treatment period for the respective approach (prepuberty vs. peak/postpeak) were assessed. Inclusion criteria were overjet ≥ 4 mm, skeletal Class II and availability of study casts from before, after and ≥ 15 years after treatment. The study casts were assessed using the Peer Assessment Rating (PAR) index and standard orthodontic cast measurements.

Results: During treatment, PAR score, overjet and sagittal occlusal relationship improved significantly in all groups. Long-term, there was a significant increase of incisor irregularity in the upper (HMB) and lower (BIO) arch and a significant decrease of lower arch width 3 - 3 (BIO). PAR score, overjet, and sagittal occlusal relationship remained stable long-term. Intergroup comparisons revealed significant differences between the BIO and HMB groups in terms of lower arch width (6 - 6), upper and lower arch width (3 + 3/3 - 3) as well as sagittal molar relationship.

Conclusions: The achieved improvement in PAR score, overjet, and sagittal occlusion remained comparably stable long-term in all groups. The long-term changes are probably a consequence of natural aging.

Abstract Image

II:1 级仿生器或 Herbst 多支架矫治器治疗后的长期(≥ 15 年)疗效质量 :比较。
目的:比较使用仿生器(BIO)或赫伯斯特多托矫治器(HMB)进行II:1类治疗的长期疗效质量(≥15年):方法: 对在各自方法的理想治疗期(青春期前与高峰期/后高峰期)接受功能治疗的患者进行评估。纳入标准为过咬合≥4毫米,骨骼等级为II级,并提供治疗前、治疗后及治疗后≥15年的研究铸型。使用同行评估分级(PAR)指数和标准正畸铸模测量方法对研究铸模进行评估:结果:在治疗期间,各组的 PAR 评分、过咬合和矢状咬合关系都有明显改善。从长期来看,上牙弓(HMB)和下牙弓(BIO)的切牙不齐度明显增加,下牙弓宽度3-3(BIO)明显减少。PAR 评分、过咬合和矢状咬合关系保持长期稳定。组间比较显示,BIO组和HMB组在下牙弓宽度(6 - 6)、上下牙弓宽度(3 + 3/3 - 3)以及矢状臼齿关系方面存在显著差异:各组患者的 PAR 评分、过咬合和矢状咬合改善情况长期保持相对稳定。长期变化可能是自然老化的结果。
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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.
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