Adhesion performance of conventional and high-translucency zirconia: Effects of airborne-particle abrasion and 10-methacryloyloxydecyl dihydrogen phosphate treatments.
- 1School of Dentistry and Institute of Oral Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
- 2Department of Chemical Engineering, National Cheng Kung University, Tainan, Taiwan.
- 3Department of Stomatology, National Cheng Kung University Hospital, Tainan, Taiwan.
Abstract
Background/purpose
High-translucency zirconia exhibits different microstructure and composition, which may influence their responses to mechanical and chemical treatments, affecting resin-zirconia adhesion. This study aimed to evaluate the adhesive behaviors of conventional and high-translucency zirconia, focusing on surface modifications induced by airborne-particle abrasion (AA) and 10-methacryloyloxydecyl dihydrogen phosphate (MDP).Materials and methods
Disk-shaped specimens were fabricated from six zirconia materials: CerconBase, CerconHT, and VitaHT (3Y-TZP); VitaST (4Y-PSZ); and CerconXT and VitaXT (5Y-PSZ). Specimens were air-abraded with alumina particles at 0.25 MPa. Micromorphology and roughness were analyzed using scanning electron microscopy (SEM), profilometry, and atomic force microscopy (AFM). Surface chemical composition and MDP interaction were evaluated using X-ray photoelectron spectroscopy (XPS). Phosphorus content was quantified for MDP retention after ethanol rinsing, and O 1s spectra were deconvoluted to identify P-O-Zr bonding. 1-mm zirconia disks receiving AA and MDP treatments were bonded with resin cement. Shear bond strength (SBS) was measured before and after thermocycling.Results
AA-treated 4Y- and 5Y-PSZ exhibited surface roughness comparable to 3Y-TZP. XPS confirmed MDP interaction and P-O-Zr bond in all groups. 3Y-TZP VitaHT demonstrated higher phosphorus retention, while CerconBase and Cercon HT exhibit greater P-O-Zr bonding. All groups showed acceptable initial SBSs. After thermocycling, CerconBase exhibited significant inferior SBS and the highest pre-test failure rate, whereas other zirconia maintained comparable SBSs.Conclusion
High-translucency zirconia exhibits surface roughness and MDP affinity comparable to conventional ones. The opaquest 3Y-TZP showed low bond durability, highlighting the importance of optical properties in long-term adhesive performance.
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BibTeX
@article{li2026adhesion,
title = {{Adhesion performance of conventional and high-translucency zirconia: Effects of airborne-particle abrasion and 10-methacryloyloxydecyl dihydrogen phosphate treatments.}},
author = {Chia-Ling Li and Li-Li Kang and Jui-Che Lin and Shu-Fen Chuang},
journal = {Journal of dental sciences},
year = {2026},
month = oct,
doi = {10.1016/j.jds.2025.07.3577},
url = {https://europepmc.org/article/MED/42924191},
note = {CC BY-NC-ND},
}
RIS
TY - JOUR
TI - Adhesion performance of conventional and high-translucency zirconia: Effects of airborne-particle abrasion and 10-methacryloyloxydecyl dihydrogen phosphate treatments.
AU - Chia-Ling Li
AU - Li-Li Kang
AU - Jui-Che Lin
AU - Shu-Fen Chuang
PY - 2026
DA - 2026/10/01
JO - Journal of dental sciences
DO - 10.1016/j.jds.2025.07.3577
UR - https://europepmc.org/article/MED/42924191
AB - Background/purpose High-translucency zirconia exhibits different microstructure and composition, which may influence their responses to mechanical and chemical treatments, affecting resin-zirconia adhesion. This study aimed to evaluate the adhesive behaviors of conventional and high-translucency zirconia, focusing on surface modifications induced by airborne-particle abrasion (AA) and 10-methacryloyloxydecyl dihydrogen phosphate (MDP).Materials and methods Disk-shaped specimens were fabricated from six zirconia materials: CerconBase, CerconHT, and VitaHT (3Y-TZP); VitaST (4Y-PSZ); and CerconXT and VitaXT (5Y-PSZ). Specimens were air-abraded with alumina particles at 0.25 MPa. Micromorphology and roughness were analyzed using scanning electron microscopy (SEM), profilometry, and atomic force microscopy (AFM). Surface chemical composition and MDP interaction were evaluated using X-ray photoelectron spectroscopy (XPS). Phosphorus content was quantified for MDP retention after ethanol rinsing, and O 1s spectra were deconvoluted to identify P-O-Zr bonding. 1-mm zirconia disks receiving AA and MDP treatments were bonded with resin cement. Shear bond strength (SBS) was measured before and after thermocycling.Results AA-treated 4Y- and 5Y-PSZ exhibited surface roughness comparable to 3Y-TZP. XPS confirmed MDP interaction and P-O-Zr bond in all groups. 3Y-TZP VitaHT demonstrated higher phosphorus retention, while CerconBase and Cercon HT exhibit greater P-O-Zr bonding. All groups showed acceptable initial SBSs. After thermocycling, CerconBase exhibited significant inferior SBS and the highest pre-test failure rate, whereas other zirconia maintained comparable SBSs.Conclusion High-translucency zirconia exhibits surface roughness and MDP affinity comparable to conventional ones. The opaquest 3Y-TZP showed low bond durability, highlighting the importance of optical properties in long-term adhesive performance.
SN - 1991-7902
SN - 2213-8862
ER -