Improvement in Dental Porcelain Bonding to Milled, Noncast Titanium Surfaces by Gold Sputter Coating

Lin, Mau Chin; Huang, Her Hsiung

doi:10.1111/jopr.12145

Cited by 11 publications

(3 citation statements)

References 38 publications

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“…The primary reasons lie in the formation of an excessive nonadherent oxide layer at the interface between titanium and porcelain at high firing temperature and the stress caused by the mismatch of thermal expansion coefficient of titanium and porcelain [4,5]. Various surface modifications and attempts to prevent the formation of such an oxide layer have been considered in the literature, such as surface coating, acid etching, pre-oxidation, etc [3][4][5][6].…”

Section: Introductionmentioning

confidence: 98%

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Effect of TiO2-SiO2-SnOx sol-gel coating on the bonding strength of titanium-porcelain

Zhang

2016

Materials Letters

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Section: Introductionmentioning

confidence: 98%

“…Various surface modifications and attempts to prevent the formation of such an oxide layer have been considered in the literature, such as surface coating, acid etching, pre-oxidation, etc [3][4][5][6].…”

Section: Introductionmentioning

confidence: 99%

Effect of TiO2-SiO2-SnOx sol-gel coating on the bonding strength of titanium-porcelain

Zhang

2016

Materials Letters

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“…The mean bond strength values ranged from 17.2 to 24.9 MPa (Özcan & Uysal, 2005 ). In another study milled CP‐Ti grade 2 had a bond strength above 28 MPa with air‐particle abrasion only, and above 35 MPa with a Au sputter coating (Lin & Huang, 2014 ). The bond strength of TiAl6V4 and a ceramic veneering material was above 32 MPa with air‐particle abrasion and was improved further using a borate bonder, up to 49 MPa (Zhao et al, 2016 ).…”

Section: Introductionmentioning

confidence: 99%

Shear bond strength of the ceramic veneer to additively manufactured titanium

Svanborg,

Le,

Sigurðardóttir

et al. 2023

Clinical & Exp Dental Res

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ObjectivesThe objective of this in vitro study was to evaluate the shear bond strength between the ceramic veneer and additively manufactured titanium with different surface treatments, and to compare with milled titanium. Also, to characterize the surface and the presence of an α‐case layer of additively manufactured and milled titanium.Material and MethodsSixty additively manufactured titanium grade 23, and 20 milled titanium grade 4 cylindrical specimens were divided into four groups based on surface treatments, air‐particle abrasion and grinding. After ceramic veneering half of each group were thermocycled. The bond strength was analyzed using a shear bond strength test. The surfaces were analyzed using interferometry and scanning electron microscopy.ResultsThe grinding procedure and air‐particle abrading pressure had no significant effect on the shear bond strength (p = .264 and p = .344). Thermocycling showed a tendency towards an effect but not significant (p = .052). The group with the highest air‐abrading pressure showed the highest surface roughness. No presence of an α‐case layer was detected in any of the groups.ConclusionAdditively manufactured titanium grade 23 may be veneered with ceramics without prior grinding of the surfaces.

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Self‐Sensing Robotic Structures from Architectured Particle Assemblies

Yang

Wang

Zhang

et al. 2022

Advanced Intelligent Systems

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The tight coupling of shape transformation, stiffness tuning, and self‐sensing that biological organisms exhibit has long served as inspiration for next‐generation soft robots. However, most current soft robots rely on intrinsically soft materials for actuation, separately embedded sensors for sensing, and have fixed stiffness once fabricated. Large gaps remain between these soft robots and biological organisms where multifunctionality is realized within an integrated body. Herein, a new class of robotic structures from architectured particle assemblies is introduced. They combine three functions: shape changing, stiffness variation, and self‐sensing into one monolithic structure. Unlike traditional entirely soft robots, the design utilizes the geometric contacts of stiff, architectured particles under confining pressure to achieve these functions. The applications of these structures by designing smart self‐sensing architectures and soft grippers are demonstrated. The design provides a new paradigm of multifunctional robotic structures, with potential multiscale applications in adaptive robots, smart devices, and reconfigurable architectures.

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Improvement in Dental Porcelain Bonding to Milled, Noncast Titanium Surfaces by Gold Sputter Coating

Abstract: A practical and simple sandblasting/gold sputter coating treatment of Ti surfaces prior to porcelain sintering significantly strengthens the bond between the milled, noncast Ti and the dental porcelain.

Cited by 11 publications

References 38 publications

Effect of TiO2-SiO2-SnOx sol-gel coating on the bonding strength of titanium-porcelain

Effect of TiO2-SiO2-SnOx sol-gel coating on the bonding strength of titanium-porcelain

Shear bond strength of the ceramic veneer to additively manufactured titanium

Self‐Sensing Robotic Structures from Architectured Particle Assemblies

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