| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Yilmaz, Burak
University of Bern
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2024Nanoindentation creep: The impact of water and artificial saliva storage on milled and 3D‐printed resin compositescitations
- 2023Surface roughness, optical properties, and microhardness of additively and subtractively manufactured CAD‐CAM materials after brushing and coffee thermal cyclingcitations
- 2023Influence of polishing technique and coffee thermal cycling on the surface roughness and color stability of additively and subtractively manufactured resins used for definitive restorationscitations
- 2023Evaluation of Dimensional Stability and Occlusal Wear of Additively and Subtractively Manufactured Resin-Based Crowns after Thermomechanical Agingcitations
- 2023Flexural Strength and Vickers Microhardness of Graphene-Doped SnO2 Thin-Film-Coated Polymethylmethacrylate after Thermocyclingcitations
- 2022Effect of simulated tootbrushing on surface roughness of sealant agent coupled nanohybrid composite resinscitations
- 2020The effect of scanner type and scan body position on the accuracy of complete‐arch digital implant scanscitations
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article
Nanoindentation creep: The impact of water and artificial saliva storage on milled and 3D‐printed resin composites
Abstract
<jats:title>Abstract</jats:title><jats:sec><jats:title>Purpose</jats:title><jats:p>This study evaluated the effects of artificial saliva and distilled water on the nanoindentation creep of different 3D‐printed and milled CAD‐CAM resin composites.</jats:p></jats:sec><jats:sec><jats:title>Material and Methods</jats:title><jats:p>Disk‐shaped specimens were subtractively fabricated from polymer‐infiltrated ceramic network (EN) and reinforced resin composite (B) and additively from resin composite (C) and hybrid resin composite (VS) using digital light processing (DLP). Specimens from each material were divided into two groups according to their storage conditions (artificial saliva or distilled water for 3 months). Creep was analyzed by nanoindentation testing. Statistical analysis was done using two‐way ANOVA, one‐way ANOVA, Bonferroni post hoc tests, and independent <jats:italic>t</jats:italic>‐test (<jats:italic>α</jats:italic> = 0.05).</jats:p></jats:sec><jats:sec><jats:title>Results</jats:title><jats:p>The main effects of material and storage conditions, and their interaction were statistically significant on nanoindentation (<jats:italic>p</jats:italic> < 0.001). Storage condition had the greatest influence (partial eta squared η<jats:sub>P</jats:sub><jats:sup>2</jats:sup> = 0.370), followed by the material (η<jats:sub>P</jats:sub><jats:sup>2</jats:sup> = 0.359), and the interaction (η<jats:sub>P</jats:sub><jats:sup>2</jats:sup> = 0.329). The nanoindentation creep depths after artificial saliva storage ranged from 0.34 to 0.51 µm and from 0.50 to 0.87 µm after distilled water storage. One of the additively manufactured groups had higher nanoindentation creep depths in both storage conditions.</jats:p></jats:sec><jats:sec><jats:title>Conclusions</jats:title><jats:p>All specimens showed comparable performance after artificial saliva storage, but increased nanoindentation creep after distilled water storage for 3 months. The subtractive CAD‐CAM blocks showed superior dimensional stability in terms of nanoindentation creep depths in both storage conditions. Additively manufactured composite resins had lower dimensional stability than one of the subtractively manufactured composites, which was demonstrated as having higher creep deformation and maximum recovery. However, after artificial saliva storage, one of the additively manufactured resins had dimensional stability similar to that of subtractively manufactured.</jats:p></jats:sec>