ArticleJournal of clinical and experimental dentistry2025
The effect of Er:YAG and Nd:YAG lasers and total-etch and universal adhesives on composite resin restoration microleakage.
Article in Journal of clinical and experimental dentistry, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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3 authors.
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Abstract
Background: The present investigation examined Er:YAG and Nd:YAG lasers efficiency in reducing microleakage when paired with two adhesive systems. Material and Methods: Class V cavities were created on the buccal and lingual sides of 30 extracted premolars. The samples were distributed into the following groups: 1) 37% phosphoric acid + Adper Single Bond 2; 2) Nd:YAG laser + Adper Single Bond 2; 3) Er:YAG laser + Adper Single Bond 2; 4) 37% phosphoric acid + Gluma Universal Bonding; 5) Nd:YAG laser + Gluma Universal Bonding; 6) Er:YAG laser + Gluma Universal Bonding. Each specimen was cured and restored with nanohybrid composite Z350. Dye penetration was used to assess microleakage and examined under a stereomicroscope. The findings were compared using Mann-Whitney, Wilcoxon Signed Ranks, and Kruskal-Wallis tests (α = 0.05). Results: The microleakage score in the occlusal margin was comparable between the groups. On the other hand, the microleakage in the gingival margin was significantly different between the groups ( Conclusions: Except for Er:YAG + Single Bond 2, all groups showed more microleakage at the gingival margin compared to the occlusal margin. The Er:YAG laser outperformed the Nd:YAG laser at the gingival margin.
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