Blar i forfatter "Sasaki, Keiichi"

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    • Fracture resistance of computer-aided design/computer-aided manufacturing-generated composite resin-based molar crowns 

      Harada, A; Nakamura, Keisuke; Kanno, Taro; Inagaki, R.; Ørtengren, Ulf Thore; Niwano, Y.; Sasaki, Keiichi; Egusa, Hiroshi (Journal article; Tidsskriftartikkel; Peer reviewed, 2015-02-16)
      The aim of this study was to investigate whether different fabrication processes, such as the computer-aided design/computer-aided manufacturing (CAD/CAM) system or the manual build-up technique, affect the fracture resistance of composite resin-based crowns. Lava Ultimate (LU), Estenia C&B (EC&B), and lithium disilicate glass-ceramic IPS e.max press (EMP) were used. Four types of molar crowns were ...

    • Hydroxyl radicals generated by hydrogen peroxide photolysis recondition biofilm-contaminated titanium surfaces for subsequent osteoblastic cell proliferation 

      Nakamura, Keisuke; Shirato, Midori; Tenkumo, Taichi; Kanno, Taro; Westerlund, Anna; Örtengren, Ulf Tore; Sasaki, Keiichi; Niwano, Yoshimi (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-03-18)
      Titanium dental implants have been successfully used for decades; however, some implants are affected by peri-implantitis due to bacterial infection, resulting in loss of supporting bone. This study aimed to evaluate the effect of an antimicrobial chemotherapy employing H<sub>2</sub>O<sub>2</sub> photolysis—developed to treat peri-implantitis—on biofilm-contaminated titanium surfaces in association ...