Influence of Applied Pressure and Thickness Variation on the Bond Strength Between 3Y-TZP Zirconia and Self-Adhesive Resin Cement

IF 3.2 4区医学 Q2 ENGINEERING, BIOMEDICAL

Journal of biomedical materials research. Part B, Applied biomaterials Pub Date : 2025-03-11 DOI:10.1002/jbm.b.35563

Paulo Pinto, Óscar Carvalho, Rita Ferreira, Sara Madeira, Filipe S. Silva

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Abstract

This study evaluated the influence of applied pressure on the shear bond strength (SBS) between commercial 3Y-TZP zirconia and self-adhesive resin cement. Five test groups were created, each subjected to different applied pressures: 195.15, 97.47, 48.74, 9.75, and 0.20 kPa. A piston-type shear device was used to assess the effect of these pressures on cement layer thickness and SBS. The results demonstrated that the highest applied pressure (195.15 kPa) produced the thinnest cement layers (36.60 ± 1.67 μm) and the highest SBS values (58.8 ± 1.6 MPa), whereas the lower applied pressure (0.20 kPa) resulted in the thickest cement layers (73.20 ± 1.64 μm) and significantly lower SBS (30.8 ± 2.0 MPa). Regression analysis confirmed a strong correlation (R² = 0.82, p < 0.05) between cement thickness and SBS, indicating that cement thickness is a critical factor influencing adhesion. These findings highlight the importance of controlling applied pressure during cementation to optimize bonding performance. Standardizing pressure application through calibrated pressure devices may improve the durability of zirconia-based restorations and minimize variability during the cementation process.

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来源期刊

Journal of biomedical materials research. Part B, Applied biomaterials 工程技术-材料科学：生物材料

CiteScore

7.50

自引率

2.90%

发文量

199

审稿时长

12 months

期刊介绍： Journal of Biomedical Materials Research – Part B: Applied Biomaterials is a highly interdisciplinary peer-reviewed journal serving the needs of biomaterials professionals who design, develop, produce and apply biomaterials and medical devices. It has the common focus of biomaterials applied to the human body and covers all disciplines where medical devices are used. Papers are published on biomaterials related to medical device development and manufacture, degradation in the body, nano- and biomimetic- biomaterials interactions, mechanics of biomaterials, implant retrieval and analysis, tissue-biomaterial surface interactions, wound healing, infection, drug delivery, standards and regulation of devices, animal and pre-clinical studies of biomaterials and medical devices, and tissue-biopolymer-material combination products. Manuscripts are published in one of six formats: • original research reports • short research and development reports • scientific reviews • current concepts articles • special reports • editorials Journal of Biomedical Materials Research – Part B: Applied Biomaterials is an official journal of the Society for Biomaterials, Japanese Society for Biomaterials, the Australasian Society for Biomaterials, and the Korean Society for Biomaterials. Manuscripts from all countries are invited but must be in English. Authors are not required to be members of the affiliated Societies, but members of these societies are encouraged to submit their work to the journal for consideration.