title: Influence of hydrophilic pre-treatment on resin bonding to zirconia ceramics.
abstract: Atmospheric plasma or ultraviolet (UV) treatment alters the surface characteristics of tetragonal zirconia polycrystal (TZP), increasing its hydrophilicity by reducing the contact angle against water to zero. This suggests that such treatment would increase the wettability of bonding resin. The purpose of this study was to determine how increasing the hydrophilicity of TZP through plasma irradiation, UV treatment, or application of ceramic primer affected initial bonding with resin composites. Here, the effect of each pre-treatment on the hydrophilicity of TZP surfaces was determined by evaluating change in shear bond strength. Plasma irradiation, UV, or ceramic primer pre-treatment showed no significant effect on bonding strength between TZP surfaces and resin composites. In addition, alumina blasting yielded no significant increase in bond strength. Plasma irradiation, UV treatment, or ceramic primer pre-treatment did not lead to significant increase in bond strength between TZP and resin composites.
authors.affiliation: Division of General Dentistry, Tokyo Dental College Chiba Hospital.
authors.forename: Akio
authors.initials: A
authors.lastname: Noro
authors.forename: Atsushi
authors.initials: A
authors.lastname: Kameyama
authors.forename: Akiko
authors.initials: A
authors.lastname: Haruyama
authors.forename: Toshiyuki
authors.initials: T
authors.lastname: Takahashi
mesh_terms: D002516:Ceramics / Q000737:chemistry* / Q000528:radiation effects; D001840:Dental Bonding; D060733:Electromagnetic Radiation; D057927:Hydrophobic and Hydrophilic Interactions; D019279:Resin Cements / Q000737:chemistry* / Q000528:radiation effects; D013499:Surface Properties; D014466:Ultraviolet Rays; D015040:Zirconium / Q000737:chemistry* / Q000528:radiation effects
chemical_list: D019279:Resin Cements; D015040:Zirconium