与Invisalign第一系统相关的腭部尺寸变化:一项初步研究。

IF 3 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Angle Orthodontist Pub Date : 2023-09-01 DOI:10.2319/110422-755.1
Junbo Wang, Abdulkadir Bukhari, Sandra K Tai, Bingshuang Zou
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引用次数: 1

摘要

目的:将Invisalign第一系统(IFS)后的腭部尺寸和磨牙倾斜度与接受缓慢上颌扩弓(SME)治疗的患者和正常对照组进行比较。材料和方法:23名接受IFS治疗的混合牙列患者的性别和牙齿年龄与另外两组相匹配:哈斯型SME组和对照组。在治疗前(T1)和治疗后(T2)测量腭间宽度(ICW)、齿间宽度(IMW)、腭表面积(SA)、体积(V)和第一磨牙颊舌倾斜度(MI)。方差分析用于比较三组之间的差异。结果:IFS后ICW显著增加3.10mm,SME组增加4.77mm,对照组增加0.54mm;组间差异具有统计学意义(P<.001)。IFS的IMW增加了1.95 mm,SME增加了4.76 mm,对照组增加了0.54 mm,组内和组间差异显著。IFS组的腭面积和体积分别增加了43.50 mm2和294.85 mm3,这与SME有显著差异,但与对照组相似。IFS组的右侧和左侧颊部MI分别增加0.24°和0.08°,与对照组相当,而SME组的颊部MI显著增加。结论:与对照组相比,IFS使上弓扩张,ICW和IMW增加,但扩张量小于SME。与SME不同,IFS对腭部尺寸和磨牙倾斜没有影响。
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Dimensional changes in the palate associated with Invisalign First System: a pilot study.

Objectives: To compare palatal dimensions and molar inclinations after Invisalign First System (IFS) to those in patients treated with slow maxillary expansion (SME) and normal controls.

Materials and methods: Twenty-three mixed dentition patients treated with IFS were gender- and dental age-matched to another two groups: Haas-type SME and control group. The intercanine width (ICW), intermolar width (IMW), palatal surface area (SA), volume (V), and first molar buccolingual inclinations (MI) were measured before (T1) and after (T2) treatment. Analysis of variance was used to compare the differences among the three groups.

Results: The ICW increased significantly by 3.10 mm after IFS, 4.77 mm with SME, and 0.54 mm in controls; the difference among the groups was statistically significant (P < .001). The IMW increased by 1.95 mm in IFS, 4.76 mm in SME, and 0.54 mm in controls, with significant intra- and intergroup differences. Palatal SA and volume increased by 43.50 mm2 and 294.85 mm3 in the IFS group, which differed significantly from SME, but was similar to controls. The right and left MI increased 0.24° and 0.08° buccally, respectively, in the IFS group, which was comparable to controls, while significantly increased buccal MI was observed in the SME group.

Conclusions: IFS expands the upper arch with increased ICW and IMW compared to controls, but the expansion amount is smaller than SME. Unlike SME, IFS has no effects on palatal dimensions and molar inclinations.

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来源期刊
Angle Orthodontist
Angle Orthodontist 医学-牙科与口腔外科
CiteScore
6.40
自引率
5.90%
发文量
95
审稿时长
3 months
期刊介绍: The Angle Orthodontist is the official publication of the Edward H. Angle Society of Orthodontists and is published bimonthly in January, March, May, July, September and November by The EH Angle Education and Research Foundation Inc. The Angle Orthodontist is the only major journal in orthodontics with a non-commercial, non-profit publisher -- The E. H. Angle Education and Research Foundation. We value our freedom to operate exclusively in the best interests of our readers and authors. Our website www.angle.org is completely free and open to all visitors.
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