长石贴面处理对正畸托槽脱粘后颜色稳定性的影响：体外研究

IF 1.8 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

International Orthodontics Pub Date : 2025-04-28 DOI:10.1016/j.ortho.2025.101011

Flavio Copello , Kevin Barnes , Cecilia Sued Leao , Jasmine Hariri , Proma Ahmed , Guilherme Anziliero Arossi , Eduardo Franzotti Sant’Anna

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引用次数: 0

摘要

目的分析正畸托槽粘接与脱粘接后不同表面处理方法对长石瓷贴面颜色稳定性的影响。材料与方法将25个长石瓷贴面样品按表面处理方法分为两组：(5)保留釉层；（SHF）氢氟酸腐蚀；(SOXA)喷砂;（SB）金刚石毛刺；(C)控制。用硅烷对标本进行底漆处理，并粘接支架。去除托架后，在咖啡染色21天后测定颜色稳定性（NBS评分国家标准局评分）。各组在各时间点（T0和T1）的比较采用单因素方差分析，当发现有显著性差异时，采用Tukey’s HSD检验进行两两比较。为了评估每个表面治疗组时间的影响（T0 vs. T1），进行配对t检验。结果4个实验组（S、SHF、SOXA和SB）的整体颜色稳定性在类别间无显著差异。与对照组相比，所有实验组的颜色变化都有统计学上的显著增加。结论表面处理显著降低了黄芪的颜色稳定性，两种处理间无统计学差异。无论采用何种表面处理方法，正畸托槽的粘接和脱粘都会导致长石瓷贴面颜色稳定性下降。

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Comparison of feldspathic veneer surface treatments on colour stability after debonding of orthodontic brackets: An in vitro study

Objectives

To analyse the colour stability of feldspathic porcelain veneers treated with different surface preparation methods after bonding and debonding orthodontic brackets.

Material and methods

Twenty-five feldspathic porcelain veneers samples were divided into groups according to surface treatment procedures: (S) glaze-layer retained; (SHF) hydrofluoric acid etch; (SOXA) sandblasting; (SB) diamond burs; (C) control. Specimens were primed using silane and brackets were bonded. After removal of brackets, colour stability (NBS score National Bureau of Standards Score) was determined following coffee staining for 21 days. Group comparisons at each time point (T0 and T1) were performed using one-way ANOVA, followed by Tukey's HSD test for pairwise comparisons when a significant difference was detected. To evaluate the effect of time within each surface treatment group (T0 vs. T1), a paired t-test was performed.

Results

No significant interclass difference was identified between overall colour stability for the four test groups (S, SHF, SOXA and SB). All test groups showed a statistically significant increase in colour change compared to the control.

Conclusions

Surface treatment resulted in a significant decrease in colour stability with no statistical difference between treatments. Regardless of surface preparation method, bonding and debonding of orthodontic bracket results in decreased colour stability of feldspathic porcelain veneers.

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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.