Effect of UV Photofunctionalization of HA/TiO₂ Coated Implants Prepared by Dual-Target Sputtering on Bone-Implant Integration

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  • Monai Nobutake
    Department of Fixed Prosthodontics, Kanagawa Dental University
  • Kuwabara Atsushi
    Department of Fixed Prosthodontics, Kanagawa Dental University
  • Kawanishi Norishige
    Department of Fixed Prosthodontics, Kanagawa Dental University
  • Ozawa Ryotaro
    Department of Fixed Prosthodontics, Kanagawa Dental University
  • Adachi Takuya
    Department of Fixed Prosthodontics, Kanagawa Dental University
  • Tsunoi Saki
    Department of Fixed Prosthodontics, Kanagawa Dental University
  • Inoue Makoto
    Department of Fixed Prosthodontics, Kanagawa Dental University
  • Saita Makiko
    Department of Fixed Prosthodontics, Kanagawa Dental University
  • Hayakawa Tohru
    Department of Dental Engineering, Tsurumi University School of Dental Medicine
  • Hoshi Noriyuki
    Department of Fixed Prosthodontics, Kanagawa Dental University Department of Education Planning, Kanagawa Dental University
  • Kimoto Katsuhiko
    Department of Fixed Prosthodontics, Kanagawa Dental University

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タイトル別名
  • Effect of UV Photofunctionalization of HA/TiO<sub>2</sub> Coated Implants Prepared by Dual-Target Sputtering on Bone-Implant Integration

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説明

<p>The purpose of this study was to examine the biological response to a hydroxyapatite (HA)/titanium dioxide (TiO2) hybrid (Hyb) coated implant surface after ultraviolet UV irradiation. After acid etching, titanium (Ti) disc and implant surfaces were modified using HA and TiO2 targets, employing single-target and dual-target sputter deposition techniques, and subjected to ultraviolet (UV) irradiation. The surface roughness and hydrophilicity were analyzed, and the biomechanical strength of the bone-implant interface was assessed using an implant biomechanical push-in test. We found that UV irradiation improved the strength of the bone-implant interface for all modified Ti surfaces. The Hyb surface showed greater bone-implant integration than the microrough (acid etched) or single-target sputtered surfaces (TiO2 and HA).</p>

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