Radhika Agarwal, Nikki Vasani, Urmila Sachin Mense, Niharika Prasad, Aditya Shetty, Srikant Natarajan, Arindam Dutta, Manuel S Thomas
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The bleaching efficacy, post-bleaching microhardness changes, and morphological alterations were assessed by spectrophotometric analysis, Vickers hardness testing, and scanning electron microscopy (SEM) respectively. Statistical analyses included one-way ANOVA and post hoc tests, maintaining a significance level of P < 0.05.</p><p><strong>Results: </strong>The search of the online marketplace revealed 15 products. The LRA (Teeth Whitening Serum Gel, GEN, China) and the HRA (Bright White-Lovely Smile Premium Teeth Whitening strips, Ray of Smile, USA) were identified on the basis of their ranking. DPA resulted in significantly better tooth whitening than did LRA. The enamel microhardness was lower in the LRA treatment group (14.2%) than in the control and HRA treatment groups (8.84% and 7.26%, respectively). LRA also caused severe topographical alterations to the enamel.</p><p><strong>Conclusion: </strong>Compared with the poorly rated product, the dentist-prescribed tooth bleaching product resulted in greater colour improvement, less microhardness reduction, and surface changes. 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引用次数: 0
摘要
研究目的:本研究比较了非处方(OTC)牙齿漂白产品与牙医处方的居家漂白剂的美白效果、微硬度和珐琅质表面变化:对一家热门在线市场上的产品进行了全面搜索,然后使用特定公式对其进行评级。比较了评级最低的 OTC 药剂(LRA)和评级最高的 OTC 药剂(HRA)与牙医处方漂白剂(DPA)对拔出的人类牙齿珐琅质的效果。通过分光光度分析、维氏硬度测试和扫描电子显微镜(SEM)分别评估了漂白效果、漂白后的微硬度变化和形态改变。统计分析包括单因素方差分析和事后检验,显著性水平保持在 P 结果:在网上市场搜索到 15 种产品。根据排名确定了 LRA(牙齿美白精华凝胶,中国 GEN 公司)和 HRA(亮白-可爱微笑高级牙齿美白条,美国 Ray of Smile 公司)。DPA 的牙齿美白效果明显优于 LRA。LRA 治疗组的珐琅质微硬度(14.2%)低于对照组和 HRA 治疗组(分别为 8.84% 和 7.26%)。LRA 还导致釉质发生严重的地形改变:结论:与评级较低的产品相比,牙医处方的牙齿漂白产品能带来更大的颜色改善、更少的微硬度降低和表面变化。在这项研究中,评级最高的产品与牙医处方的药剂不相上下。
Effects of online marketplace-sourced over-the-counter tooth whitening products on the colour, microhardness, and surface topography of enamel: an in vitro study.
Objectives: This study compared the whitening effect, microhardness, and enamel surface alterations of over-the-counter (OTC) tooth bleaching products with those of a dentist-prescribed at-home bleaching agent.
Materials and methods: The products available on a popular online marketplace were comprehensively searched and then rated using a specific formula. The effects of the lowest-rated OTC agent (LRA) and the highest-rated OTC agent (HRA) were compared with those of a dentist-prescribed bleaching agent (DPA) on the enamel of extracted human teeth. The bleaching efficacy, post-bleaching microhardness changes, and morphological alterations were assessed by spectrophotometric analysis, Vickers hardness testing, and scanning electron microscopy (SEM) respectively. Statistical analyses included one-way ANOVA and post hoc tests, maintaining a significance level of P < 0.05.
Results: The search of the online marketplace revealed 15 products. The LRA (Teeth Whitening Serum Gel, GEN, China) and the HRA (Bright White-Lovely Smile Premium Teeth Whitening strips, Ray of Smile, USA) were identified on the basis of their ranking. DPA resulted in significantly better tooth whitening than did LRA. The enamel microhardness was lower in the LRA treatment group (14.2%) than in the control and HRA treatment groups (8.84% and 7.26%, respectively). LRA also caused severe topographical alterations to the enamel.
Conclusion: Compared with the poorly rated product, the dentist-prescribed tooth bleaching product resulted in greater colour improvement, less microhardness reduction, and surface changes. The highest-rated product was comparable with the dentist-prescribed agent in this study.