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Lasers in medical science. 2025 May 22;40(1):238. doi: 10.1007/s10103-025-04489-6 Q12.42024

Effects of different energy levels of Er: YAG laser-assisted bleaching on teeth bleaching efficacy and immediate resin bonding: a study on safety and clinical applicability

不同能量水平的Er: YAG激光辅助漂白对牙齿美白效果及即时树脂粘接的影响:一项关于安全性和临床适用性的研究 翻译改进

Ruolin Cai  1  2, Yuwang Tu  1  3, Suli Xiao  4  5, Lixuan Wu  6  7

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作者单位

  • 1 Department of Endodontics, Stomatological Hospital of Xiamen Medical College, Xiamen, China.
  • 2 Department of Stomatology, Zhongshan Hospital (Xiamen), Fudan Universityent, Xiamen, China.
  • 3 Xiamen Key Laboratory of Stomatological Disease Diagnosis and Treatment, Xiamen, China.
  • 4 Department of Endodontics, Stomatological Hospital of Xiamen Medical College, Xiamen, China. xiao1310508049@163.com.
  • 5 Xiamen Key Laboratory of Stomatological Disease Diagnosis and Treatment, Xiamen, China. xiao1310508049@163.com.
  • 6 Department of Endodontics, Stomatological Hospital of Xiamen Medical College, Xiamen, China. wulixuan15@163.com.
  • 7 Xiamen Key Laboratory of Stomatological Disease Diagnosis and Treatment, Xiamen, China. wulixuan15@163.com.
  • DOI: 10.1007/s10103-025-04489-6 PMID: 40402274

    摘要 中英对照阅读

    Purpose: The study aimed to evaluate the teeth bleaching effect of Er: YAG laser at different energy levels and its impact on immediate resin bonding shear strength.

    Materials and methods: 72 human premolar teeth were randomly divided into six groups. Group A served as the blank group without any treatment, while Group B underwent teeth bleaching using a 37% hydrogen peroxide gel. Groups C, D, E, and F received the same 37% hydrogen peroxide gel for bleaching with additional Er: YAG laser radiation at energy levels of 40 mJ, 60 mJ, 80 mJ, and 100 mJ respectively. After completing the bleaching process, resin bonding was immediately performed in each group followed by measuring the shear strength.

    Results: The results showed that Er: YAG laser energy levels below 40 mJ did not enhance teeth bleaching compared to Group B; however significant differences were observed when comparing Group B with Groups D-F. Shear strength test results indicated no significant differences among experimental groups. These findings suggest that Er: YAG laser radiation can improve teeth bleaching effectiveness without affecting immediate resin bonding shear strength.

    Conclusion: The energy level of Er: YAG laser (40, 60, 80, and 100 mJ) significantly correlates with teeth bleaching, particularly at energy levels above 40 mJ, without compromising immediate resin bonding strength. These findings support the safe and effective use of Er: YAG laser-assisted bleaching in clinical practice, providing a practical parameter for clinicians to achieve desirable aesthetic outcomes.

    Keywords: Energy level, resin bonding; Er:YAG laser; Shear strength; Teeth bleaching.

    Keywords:energy levels; er: yag laser; tooth bleaching; resin bonding; clinical applicability

    目的:

    本研究旨在评估不同能量水平的Er: YAG激光对牙齿美白效果的影响及其对即时树脂粘接剪切强度的影响。

    材料和方法:

    将72颗人类前磨牙随机分成六组。A组作为对照组,未进行任何处理;B组使用37%过氧化氢凝胶进行牙齿美白。C、D、E和F组在使用相同浓度的37%过氧化氢凝胶进行美白的同时,分别接受40 mJ、60 mJ、80 mJ和100 mJ能量水平的Er: YAG激光辐射。完成美白过程后,在每组中立即进行树脂粘接,并测量剪切强度。

    结果:

    结果显示,与B组相比,Er: YAG激光在40 mJ以下的能量水平没有增强牙齿美白的效果;然而,当比较B组和D、E、F组时,观察到了显著的差异。剪切强度测试结果显示各实验组之间无显著性差异。这些发现表明,Er: YAG激光辐射可以提高牙齿美白效果而不影响即时树脂粘接的剪切强度。

    结论:

    Er: YAG激光(40、60、80和100 mJ)的能量水平与牙齿美白显著相关,特别是在高于40 mJ能量水平时,并且不会损害即时树脂粘接强度。这些发现支持了临床实践中使用Er: YAG激光辅助美白的安全性和有效性,并为临床医生提供了实现理想美学效果的实际参数。

    关键词:

    能量水平、树脂粘接;Er:YAG激光;剪切强度;牙齿美白。

    关键词:能级; 铒-yag激光; 牙齿美白; 树脂粘接; 临床应用性

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    期刊名:Lasers in medical science

    缩写:LASER MED SCI

    ISSN:0268-8921

    e-ISSN:1435-604X

    IF/分区:2.4/Q1

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    Effects of different energy levels of Er: YAG laser-assisted bleaching on teeth bleaching efficacy and immediate resin bonding: a study on safety and clinical applicability