Influence of different immediate dentin sealing strategies on bond strength of indirect resin nanoceramic restorations
In this study, we evaluated the effect of four different strategies for bonding a CAD/CAM resin nanoceramic restoration (Lava Ultimate, 3M) to the dentin surface using a universal adhesive (Scotch Bond Universal, 3M) and adhesive resin cement (RelyX Ultimate, 3M) on the shear bond strength (SBS) and...
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| Veröffentlicht in: | European journal of oral sciences 2024-06, Vol.132 (3), p.e12983-e12983 |
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| container_issue | 3 |
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| container_title | European journal of oral sciences |
| container_volume | 132 |
| creator | Tahoun, Fatma-Alzahraa Mohamed Kehela, Hany Abdel-Ghafar Nasr, Dina Mohamed |
| description | In this study, we evaluated the effect of four different strategies for bonding a CAD/CAM resin nanoceramic restoration (Lava Ultimate, 3M) to the dentin surface using a universal adhesive (Scotch Bond Universal, 3M) and adhesive resin cement (RelyX Ultimate, 3M) on the shear bond strength (SBS) and failure mode. The strategies comprised: (i) immediate sealing, immediate bonding; (ii) immediate sealing, bonding after 2 weeks with provisional restoration; (iii) immediate sealing with flowable resin composite reinforcement and bonding after 2 weeks with provisional restoration; and (iv) no immediate sealing, and bonding after 2 weeks with provisional restoration. After bonding, all the specimens were thermocycled, shear tests were performed using a universal testing machine, and failure modes were determined using stereomicroscope and scanning electron microscopy. The highest mean SBS was recorded with immediate sealing, immediate bonding strategy. Most adhesive failures with exposed dentinal tubules were noted in specimens exposed to bonding after 2 weeks with no immediate sealing, which was associated with the lowest SBS. Mixed failures predominated in all immediate dentin sealing groups. Immediate sealing with universal adhesives improves SBS, particularly in the single-visit approach, which has shown significantly better performance, whereas the provisional phase has a negative effect. |
| doi_str_mv | 10.1111/eos.12983 |
| format | Article |
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The strategies comprised: (i) immediate sealing, immediate bonding; (ii) immediate sealing, bonding after 2 weeks with provisional restoration; (iii) immediate sealing with flowable resin composite reinforcement and bonding after 2 weeks with provisional restoration; and (iv) no immediate sealing, and bonding after 2 weeks with provisional restoration. After bonding, all the specimens were thermocycled, shear tests were performed using a universal testing machine, and failure modes were determined using stereomicroscope and scanning electron microscopy. The highest mean SBS was recorded with immediate sealing, immediate bonding strategy. Most adhesive failures with exposed dentinal tubules were noted in specimens exposed to bonding after 2 weeks with no immediate sealing, which was associated with the lowest SBS. Mixed failures predominated in all immediate dentin sealing groups. Immediate sealing with universal adhesives improves SBS, particularly in the single-visit approach, which has shown significantly better performance, whereas the provisional phase has a negative effect.</description><identifier>ISSN: 0909-8836</identifier><identifier>EISSN: 1600-0722</identifier><identifier>DOI: 10.1111/eos.12983</identifier><identifier>PMID: 38497607</identifier><language>eng</language><publisher>England: Wiley Subscription Services, Inc</publisher><subject>Adhesive bonding ; Adhesives ; Bond strength ; Bonding strength ; CAD/CAM ; Composite materials ; Dental restorative materials ; Dentin ; Failure modes ; Resins ; Restoration ; Scanning electron microscopy ; Sealing ; Shear tests ; Tubules</subject><ispartof>European journal of oral sciences, 2024-06, Vol.132 (3), p.e12983-e12983</ispartof><rights>2024 Scandinavian Division of the International Association for Dental Research. 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The strategies comprised: (i) immediate sealing, immediate bonding; (ii) immediate sealing, bonding after 2 weeks with provisional restoration; (iii) immediate sealing with flowable resin composite reinforcement and bonding after 2 weeks with provisional restoration; and (iv) no immediate sealing, and bonding after 2 weeks with provisional restoration. After bonding, all the specimens were thermocycled, shear tests were performed using a universal testing machine, and failure modes were determined using stereomicroscope and scanning electron microscopy. The highest mean SBS was recorded with immediate sealing, immediate bonding strategy. Most adhesive failures with exposed dentinal tubules were noted in specimens exposed to bonding after 2 weeks with no immediate sealing, which was associated with the lowest SBS. Mixed failures predominated in all immediate dentin sealing groups. 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The strategies comprised: (i) immediate sealing, immediate bonding; (ii) immediate sealing, bonding after 2 weeks with provisional restoration; (iii) immediate sealing with flowable resin composite reinforcement and bonding after 2 weeks with provisional restoration; and (iv) no immediate sealing, and bonding after 2 weeks with provisional restoration. After bonding, all the specimens were thermocycled, shear tests were performed using a universal testing machine, and failure modes were determined using stereomicroscope and scanning electron microscopy. The highest mean SBS was recorded with immediate sealing, immediate bonding strategy. Most adhesive failures with exposed dentinal tubules were noted in specimens exposed to bonding after 2 weeks with no immediate sealing, which was associated with the lowest SBS. Mixed failures predominated in all immediate dentin sealing groups. 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| ispartof | European journal of oral sciences, 2024-06, Vol.132 (3), p.e12983-e12983 |
| issn | 0909-8836 1600-0722 |
| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Adhesive bonding Adhesives Bond strength Bonding strength CAD/CAM Composite materials Dental restorative materials Dentin Failure modes Resins Restoration Scanning electron microscopy Sealing Shear tests Tubules |
| title | Influence of different immediate dentin sealing strategies on bond strength of indirect resin nanoceramic restorations |
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