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UV-Mediated Photofunctionalization of Indirect Restorative Materials Enhances Bonding to a Resin-Based Luting Agent
K. Ishikawa, M. Yamauti, A. Tichy, M. Ikeda, T. Ueno, N. Wakabayashi, O. Thanatvarakorn, T. Prasansuttiporn, CA. Klein-Junior, A. Takahashi, T. Takagaki, M. Nakajima, J. Tagami, K. Hosaka
Language English Country United States
Document type Journal Article
NLK
Free Medical Journals
from 2013
PubMed Central
from 2013
Europe PubMed Central
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ProQuest Central
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from 2012-12-04
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from 2013-01-01
CINAHL Plus with Full Text (EBSCOhost)
from 2013-01-01
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from 2013-01-01
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from 2013
Wiley-Blackwell Open Access Titles
from 2001
ROAD: Directory of Open Access Scholarly Resources
from 2013
PubMed
34195290
DOI
10.1155/2021/9987860
Knihovny.cz E-resources
- MeSH
- Adsorption MeSH
- Dental Stress Analysis MeSH
- Computer-Aided Design MeSH
- Photochemistry methods MeSH
- Ceramics MeSH
- Humans MeSH
- Palladium chemistry MeSH
- Tensile Strength MeSH
- Surface Properties MeSH
- Prospective Studies MeSH
- Resin Cements chemistry MeSH
- Materials Testing MeSH
- Carbon MeSH
- Hydrocarbons chemistry MeSH
- Ultraviolet Rays MeSH
- Dental Bonding MeSH
- Yttrium chemistry MeSH
- Zirconium chemistry MeSH
- Gold chemistry MeSH
- Dental Porcelain MeSH
- Dental Alloys * MeSH
- Check Tag
- Humans MeSH
- Publication type
- Journal Article MeSH
Purpose: The potential of UV-mediated photofunctionalization to enhance the resin-based luting agent bonding performance to aged materials was investigated. Methods: Sixty samples of each material were prepared. Yttria-stabilized zirconia (YZr) and Pd-Au alloy (Pd-Au) plates were fabricated and sandblasted. Lithium disilicate glass-ceramic (LDS) was CAD-CAM prepared and ground with #800 SiC paper. Half of the specimens were immersed in machine oil for 24 h to simulate the carbon adsorption. Then, all of the specimens (noncarbon- and carbon-adsorbed) were submitted to UV-mediated photofunctionalization with a 15 W UV-LED (265 nm, 300 mA, 7692 μW/cm2) for 0 (control groups), 5, and 15 min and subjected to contact angle (Ɵ) measurement and bonded using a resin cement (Panavia™ V5, Kuraray Noritake, Japan). The tensile bond strength (TBS) test was performed after 24 h. The Ɵ (°) and TBS (MPa) data were statistically analyzed using two-way ANOVA and Bonferroni correction tests (α = 0.05). Results: In the carbon-adsorbed groups, UV-mediated photofunctionalization for 5 min significantly decreased Ɵ of all materials and increased TBS of YZr, and UV for 15 min significantly increased the TBS of LDS and Pd-Au. In noncarbon-adsorbed groups, UV-photofunctionalization did not significantly change the Ɵ or TBS except YZr specimens UV-photofunctionalized for 15 min. Conclusion: UV-mediated photofunctionalization might have removed the adsorbed hydrocarbon molecules from the materials' surfaces and enhanced bond strengths of Panavia™ V5 to YZr, LDS, and Pd-Au. Additionally, UV-mediated photofunctionalization improved the overall TBS of YZr. Further investigation on the optimum conditions of UV photofunctionalization on indirect restorative materials should be conducted.
References provided by Crossref.org
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- $a Ishikawa, Kyoko $u Department of Cariology and Operative Dentistry, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45, Yushima, Bunkyo-ku, Tokyo 113-8549, Japan
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- $a Purpose: The potential of UV-mediated photofunctionalization to enhance the resin-based luting agent bonding performance to aged materials was investigated. Methods: Sixty samples of each material were prepared. Yttria-stabilized zirconia (YZr) and Pd-Au alloy (Pd-Au) plates were fabricated and sandblasted. Lithium disilicate glass-ceramic (LDS) was CAD-CAM prepared and ground with #800 SiC paper. Half of the specimens were immersed in machine oil for 24 h to simulate the carbon adsorption. Then, all of the specimens (noncarbon- and carbon-adsorbed) were submitted to UV-mediated photofunctionalization with a 15 W UV-LED (265 nm, 300 mA, 7692 μW/cm2) for 0 (control groups), 5, and 15 min and subjected to contact angle (Ɵ) measurement and bonded using a resin cement (Panavia™ V5, Kuraray Noritake, Japan). The tensile bond strength (TBS) test was performed after 24 h. The Ɵ (°) and TBS (MPa) data were statistically analyzed using two-way ANOVA and Bonferroni correction tests (α = 0.05). Results: In the carbon-adsorbed groups, UV-mediated photofunctionalization for 5 min significantly decreased Ɵ of all materials and increased TBS of YZr, and UV for 15 min significantly increased the TBS of LDS and Pd-Au. In noncarbon-adsorbed groups, UV-photofunctionalization did not significantly change the Ɵ or TBS except YZr specimens UV-photofunctionalized for 15 min. Conclusion: UV-mediated photofunctionalization might have removed the adsorbed hydrocarbon molecules from the materials' surfaces and enhanced bond strengths of Panavia™ V5 to YZr, LDS, and Pd-Au. Additionally, UV-mediated photofunctionalization improved the overall TBS of YZr. Further investigation on the optimum conditions of UV photofunctionalization on indirect restorative materials should be conducted.
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