Comparative efficacy of In-office and walking bleach techniques in whitening of non-vital teeth.

IF 3.1 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE
Cristian Bersezio, Paulina Ledezma, Valentina Torres, Javiera Villagra, Daniela Aravena, Milton Kuga, Javier Martín, Eduardo Fernandez
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引用次数: 0

Abstract

Objectives: This study aimed to compare the efficacy of two non vital whitening techniques, In-office and Walking Bleach, using 35% hydrogen peroxide. The primary research question was to determine which technique achieves greater tooth color improvement.

Materials and methods: Fifty non-vital anterior teeth with discoloration were randomly assigned to either the In-office (n = 25) or Walking Bleach (n = 25) groups. Tooth color was measured using a Vita EasyShade V® spectrophotometer and visual scales (Vita Classical and Bleachguide) before treatment, after each bleaching session, and at a one-month follow-up. ΔE00, Whiteness Index (WID), and Shade Guide Unit (ΔSGU) values were calculated. Statistical analysis was performed using the Kruskal-Wallis and Mann-Whitney tests.

Results: Both techniques improved tooth color, with final ΔE00 values of 10.08 for In-office and 8.12 for Walking Bleach. WID values were significantly higher in the In-office group, indicating greater whitening efficacy. Significant differences favoring the In-office method were seen after the first bleaching (p = 0.0337), and one-month follow-up (p = 0.0327).

Conclusions: Both the In-office and Walking Bleach techniques effectively improve the color of non-vital teeth, with the In-office method showing slight advantages at certain times. Clinicians can choose either technique based on safety, patient needs, and clinical context to achieve optimal results.

Clinical relevance: This study provides evidence that both bleaching techniques are viable options for non-vital teeth whitening. The findings help clinicians choose the most appropriate technique based on biological safety and patient needs and desired outcomes, with the In-office technique being preferable for faster results.

在办公室与步行漂白技术在非生命牙齿美白中的比较效果。
目的:本研究的目的是比较两种非重要的美白技术,在办公室和步行漂白,使用35%的双氧水的功效。主要的研究问题是确定哪种技术能更好地改善牙齿颜色。材料和方法:将50颗有变色的非重要前牙随机分为In-office组(n = 25)和Walking Bleach组(n = 25)。在治疗前、每次漂白后和一个月的随访中,使用Vita EasyShade V®分光光度计和视觉量表(Vita classic和Bleachguide)测量牙齿颜色。计算ΔE00、白度指数(WID)和阴影引导单位(ΔSGU)值。采用Kruskal-Wallis和Mann-Whitney检验进行统计分析。结果:两种方法均改善了牙齿颜色,最终的ΔE00值分别为10.08和8.12。在办公室组的WID值明显更高,表明更强的美白效果。在第一次漂白(p = 0.0337)和一个月的随访(p = 0.0327)后,观察到倾向于办公室内方法的显着差异。结论:In-office法和Walking Bleach法均能有效改善非活牙的颜色,但In-office法在某些时候略有优势。临床医生可以根据安全性、患者需求和临床情况选择任何一种技术,以达到最佳效果。临床相关性:本研究提供了证据,证明两种漂白技术都是非重要牙齿美白的可行选择。研究结果有助于临床医生根据生物安全性、患者需求和期望的结果选择最合适的技术,其中In-office技术更适合于更快的结果。
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来源期刊
Clinical Oral Investigations
Clinical Oral Investigations 医学-牙科与口腔外科
CiteScore
6.30
自引率
5.90%
发文量
484
审稿时长
3 months
期刊介绍: The journal Clinical Oral Investigations is a multidisciplinary, international forum for publication of research from all fields of oral medicine. The journal publishes original scientific articles and invited reviews which provide up-to-date results of basic and clinical studies in oral and maxillofacial science and medicine. The aim is to clarify the relevance of new results to modern practice, for an international readership. Coverage includes maxillofacial and oral surgery, prosthetics and restorative dentistry, operative dentistry, endodontics, periodontology, orthodontics, dental materials science, clinical trials, epidemiology, pedodontics, oral implant, preventive dentistiry, oral pathology, oral basic sciences and more.
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