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Er:YAG laser application in caries removal and cavity preparation in children: a meta-analysis

Lasers in Medical Science volume 34, pages 273–280 (2019)Cite this article

Abstract

The aim of this meta-analysis was to systematically evaluate the applications of Er:YAG lasers for the removal of caries and cavity preparation in children. The meta-analysis was performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) and was conducted with data extracted from seven relevant randomized controlled trials (RCTs) published from 1997 to July 2017. The data heterogeneity of each study was assessed by a Q test. We used the heterogeneity results to calculate the standard mean difference (SMD) or relative risk (RR) and 95% confidence interval (95%CI) using STATA version 10.0. The publication bias was evaluated using Begger’s test. There were seven randomized controlled trials included in this study. The analysis results indicate that compared to the conventional mechanical method, more time was needed for Er:YAG laser treatment (SMD 1.945, 95%CI 0.942 to 2.948). However, the pain reported by patients was reduced with Er:YAG laser treatment (SMD − 1.013, 95%CI − 1.892 to − 0.196). There were no significant differences between the groups in the complete retention rate (RR 1.021, 95%CI 0.963 to 1.114), the marginal discoloration (RR 1.638, 95% CI 0.240 to 11.986) and the marginal adaptation (RR 1.480, 95%CI 0.257 to 8.515). In conclusion, our data indicate that the time required for Er:YAG laser treatment was longer than that for the conventional mechanical method, but there was less pain associated with the Er:YAG laser treatment. There were no significant differences in the complete retention rate, marginal discoloration, and marginal adaptation between the two groups.

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Author notes

  1. Ting Li and Xiaolin Zhang contributed equally to this work.

Affiliations

  1. Department of Pediatric Dentistry Stomatological Hospital, Hebei Medical University, Shijiazhuang, China

    Ting Li, Hong Shi, Bingjian Lv & Meng Xie

  2. Department of Epidemiology and Statistics, School of Public Health, Hebei Medical University, Shijiazhuang, China

    Xiaolin Zhang

  3. Department of Oral medical Dentistry Stomatological Hospital, Hebei Medical University, Shijiazhuang, China

    Zhe Ma

Authors
  1. Ting Li
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  2. Xiaolin Zhang
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  3. Hong Shi
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  4. Zhe Ma
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  5. Bingjian Lv
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  6. Meng Xie
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Corresponding author

Correspondence to Hong Shi.

Ethics declarations

The study was approved by the Research Ethics Committee of Stomatological Hospital, Hebei Medical University. This was a meta-analysis so an informed consent was not required. This article does not contain any studies with human participants or animals.

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The authors declare that they have no conflict of interest.

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Li, T., Zhang, X., Shi, H. et al. Er:YAG laser application in caries removal and cavity preparation in children: a meta-analysis. Lasers Med Sci 34, 273–280 (2019). https://doi.org/10.1007/s10103-018-2582-x

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  • DOI: https://doi.org/10.1007/s10103-018-2582-x

Keywords

  • Meta-analysis
  • Er:YAG laser
  • Conventional mechanical method
  • Dental caries
  • Children