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Article

Effect of Two Immediate Dentin Sealing Approaches on Bond Strength of Lava™ CAD/CAM Indirect Restoration

1
Department of Operative Dentistry, School of Dentistry, University of Granada, Campus de Cartuja, Colegio Maximo s/n, E-18071 Granada, Spain
2
Department of Pediatric Dentistry, School of Dentistry, University of Granada, Campus de Cartuja, Colegio Maximo s/n, E-18071 Granada, Spain
3
Master Odontología Multidisciplinar y Estética, University of Granada, Avenida de Fuentenueva s/n, E-18071 Granada, Spain
*
Author to whom correspondence should be addressed.
Academic Editor: Sufyan Garoushi
Materials 2021, 14(7), 1629; https://doi.org/10.3390/ma14071629
Received: 1 March 2021 / Revised: 17 March 2021 / Accepted: 23 March 2021 / Published: 26 March 2021
The objective of this work was to compare the micro-tensile bond strength (µTBS) of CAD/CAM (Computer-Aided Design/ Computer-Aided Manufacturing) specimens cemented with different pairing of adhesives and resin-cements using two Immediate Dentin Dealing (IDS) approaches in comparison with Delay Dentin Sealing (DDS). Coronal dentin from 108 molars were divided into nine groups (n = 12) depending on the adhesive/resin-cement (A-C) assigned. Lava™ Ultimate (4 × 10 × 10 mm) was cemented according to different strategies: IDS1(cementation after dentin sealing), DDS (dentin sealing and cementation at 2-weeks), IDS2 (immediate dentin sealing and cementation at 2-weeks). Samples were sectioned and tested until failure to determine the µTBS. Failure mode was categorized as dentin/cement (DC), at Lava™ Ultimate/cement (LC) and hybrid (H). Kruskal–Wallis and Mann–Whitney U tests and influence of the type of failure on the µTBS by survival analysis with competing risk was explored. Mostly, µTBS values were equal or higher in IDS2 than DDS. In general, A-Cs that showed higher µTBS, have high percentages of LC failure. Survival analysis with competing risk between DC + H and LC values showed that some A-Cs would significantly increase the µTBS values for IDS2. A-Cs with the highest adhesion values showed a high percentage of fractures at the LC interface, suggesting that the adhesion at the adhesive/dentin interface would be higher. View Full-Text
Keywords: IDS; DDS; universal adhesives; self-adhesive cements; CAD/CAM restoration IDS; DDS; universal adhesives; self-adhesive cements; CAD/CAM restoration
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MDPI and ACS Style

Gailani, H.F.A.; Benavides-Reyes, C.; Bolaños-Carmona, M.V.; Rosel-Gallardo, E.; González-Villafranca, P.; González-López, S. Effect of Two Immediate Dentin Sealing Approaches on Bond Strength of Lava™ CAD/CAM Indirect Restoration. Materials 2021, 14, 1629. https://doi.org/10.3390/ma14071629

AMA Style

Gailani HFA, Benavides-Reyes C, Bolaños-Carmona MV, Rosel-Gallardo E, González-Villafranca P, González-López S. Effect of Two Immediate Dentin Sealing Approaches on Bond Strength of Lava™ CAD/CAM Indirect Restoration. Materials. 2021; 14(7):1629. https://doi.org/10.3390/ma14071629

Chicago/Turabian Style

Gailani, Hassan Faez Abdullah, Cristina Benavides-Reyes, María Victoria Bolaños-Carmona, Eva Rosel-Gallardo, Purificación González-Villafranca, and Santiago González-López. 2021. "Effect of Two Immediate Dentin Sealing Approaches on Bond Strength of Lava™ CAD/CAM Indirect Restoration" Materials 14, no. 7: 1629. https://doi.org/10.3390/ma14071629

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