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Meta-Analysis
. 2022 Oct 7;101(40):e30990.
doi: 10.1097/MD.0000000000030990.

Effect of erbium family laser etching on shear bond strength of enamel surfaces: A meta-analysis-PRISMA

Tao Jiang  1 , Qi Gong, Ying Liu, Pan-Pan Zhang, Li Zhang
Affiliations
Meta-Analysis

Effect of erbium family laser etching on shear bond strength of enamel surfaces: A meta-analysis-PRISMA

Tao Jiang et al. Medicine (Baltimore). .

Abstract

Background: Recently, laser etching has appealed to people's attention. It is meaningful to compare the effect of erbium-doped yttrium-aluminum-garnet (Er:YAG) and erbium-chromium; yttrium-scandium-gallium-garnet (Er,Cr:YSSG) laser etching parameters with acid etching on bond strength of enamel surfaces. As far as we know, there still remains no related meta-analysis. To evaluate the efficacy of Er:YAG and Er,Cr:YSSG lasers etching on shear bond strength (SBS) of brackets bonded to enamel. The meta-analysis was performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses, conducted with literature search.

Methods: Twelve relevant randomized controlled trials (RCTs) were included.

Results: The pooled analysis of SBS showed that there were no significant differences between erbium family lasers and acid etching. In the mass, we noticed they did not achieve statistical significance in the lasers etching and acid etching. However, pooled analysis of 5 studies showed the SBS bonding to enamel was lower in Er,Cr:YAG laser group compared with acid group. As a whole, there were statistical significance between erbium lasers groups and acid etching group in adhesive remnant index (ARI) aspects, which less adhesives remained can reduce damage to enamel. With regard to the rate of teeth with ARI score ≤2, the results in Er:YAG laser etching group were obviously higher than acid etching group.

Conclusion: Our data indicated that erbium lasers may be considered bonding of brackets to enamel instead of acid etching bonding to enamel.

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Conflict of interest statement

The authors have no conflicts of interest to disclose.

Figures

Figure 1.
Figure 1.
Flowchart of studies included in meta-analysis.
Figure 2.
Figure 2.
Forest plot for SBS for Er:YAG/Er,Cr:YSSG laser compared to acid etching. Er,Cr:YSSG = erbium-chromium; yttrium-scandium-gallium-garnet, Er:YAG = erbium-doped yttrium-aluminum-garnet, SBS = shear bond strength.
Figure 3.
Figure 3.
Forest plot for ARI for Er:YAG/Er,Cr:YSSG laser compared to acid etching. ARI = adhesive remnant index, Er,Cr:YSSG = erbium-chromium; yttrium-scandium-gallium-garnet, Er:YAG = erbium-doped yttrium-aluminum-garnet.
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