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Laser-assisted debonding of ceramic veneers: A systematic review and meta-analysis
Yosra Gassara1, Ameni Ben Mariem2, Mohamed Chebil3
1Assistant Professor, Department of Fixed Prosthodontics, Faculty of Dental Medicine, Research Laboratory of Occlusodontics and Ceramic Prostheses, University of Monastir, Monastir, Tunisia.
Statement Of Problem:
The process of removing ceramic veneers is difficult, time consuming, and invasive. However, although lasers should provide a straightforward method for the debonding of ceramic veneers, a systematic review is lacking.
Purpose:
The purpose of this systematic review and meta-analysis was to investigate the efficacy of the laser-assisted debonding of ceramic veneers.
Material And Methods:
A systematic search was conducted in Medline/PubMed, Cochrane, Scopus, and Web of Science databases. Then, an analysis was performed using the meta-analysis approach to investigate the efficacy of the laser-assisted debonding of ceramic veneers. Quality assessment of the included articles was carried out using the Cochrane Collaboration tool. For the meta-analysis, the RevMan 5.4 software program was used to perform a random-effects model of standardized mean differences with 95% confidence intervals.
Results:
A total of 1108 studies were identified, of which 627 studies were selected for title and abstract analysis. The qualitative analysis included 16 studies, of which 3 studies were used in the quantitative synthesis. In the meta-analysis, the shear bond strength of the laser groups was compared with that of the control group. A substantial level of heterogeneity was noted in the included studies (I2=67%, P<.001).
Conclusions:
The findings suggest that erbium lasers have a significant immediate effect in decreasing the shear bond strength of ceramic veneers. Furthermore, with proper laser settings, veneers can be safely removed without damaging the underlying tooth structure.
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