Abstract
Zirconia has been used as a prosthesis material for over a decade because of its excellent mechanical properties and esthetics. The surface treatment for zirconia generally involves sandblasting and the application of primers for favorable bond strength between the surface and resin. However, sandblasting causes the microcracking and chipping of the zirconia surface. To overcome these challenges, the metallization of the zirconia surface was performed. Ti and Au were sputtered on yttria stabilized zirconia (YSZ) disks and heated to 800 °C for 15 min in air. These disks were bonded to stainless-steel rods using resin cement. Then, shear bond strength tests were performed using an Instron-type testing machine. The shear bond strength of the Ti sputtering group was significantly higher than that of the other groups. According to the results of X-ray photoelectron spectroscopy and electron probe microanalysis, the Ti-sputtered YSZ surface contained both sub-titanium oxide and titanium oxide before heating. Sub-titanium oxide was converted to titanium oxide by heating. These results suggest that metallization using Ti is effective for zirconia surface treatment to improve the shear bond strength between YSZ and resin cement. This metallization technique for YSZ has potential in clinical applications.
Highlights
Owing to the increasing esthetic requirements of dental patients, dental treatments using ceramic crowns have been gaining popularity [1,2,3,4,5,6]
A sufficient bonding strength between metals and resins can be obtained by using adhesive monomers such as phosphate ester monomers and carboxylic acid monomers for non-precious metals, and sulfur-containing monomers for precious metals [14,15]
Figure 3a1,a2 shows the deconvolution of the Ti2p and O1s peaks, respectively, for the Ti sputtering group before heating
Summary
Owing to the increasing esthetic requirements of dental patients, dental treatments using ceramic crowns have been gaining popularity [1,2,3,4,5,6]. Zirconia has been used as a material for dental prostheses for over a decade because of its excellent mechanical properties and esthetics [2,3,4,5,6,7,8,9]. Surface pretreatment is required for dental adhesives to obtain sufficient adhesive bonding strength [11,12,13]. A sufficient bonding strength between metals and resins can be obtained by using adhesive monomers such as phosphate ester monomers and carboxylic acid monomers for non-precious metals, and sulfur-containing monomers for precious metals [14,15]
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
