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Open AccessArticle

Fabrication of a Promising Hierarchical Porous Surface on Titanium for Promoting Biocompatibility

Department of Oral Hygiene Care, Ching Kuo Institute of Management and Health, Keelung 203, Taiwan
Biomedical Technology R & D Center, China Medical University Hospital, Taichung 404, Taiwan
Division of Family and Operative Dentistry, Department of Dentistry, Taipei Medical University Hospital, Taipei 110, Taiwan
Asia Pacific Laser Institute, New Taipei City 220, Taiwan
Implant Academy of Minimally Invasive Dentistry, Taipei 106, Taiwan
School of Dentistry, Ceu Cardenal Herrera University, Valencia 46115, Spain
Division of Clinical Cariology and Endodontology, Department of Oral Rehabilitation, School of Dentistry, Health Sciences University of Hokkaido, Hokkaido 061-0293, Japan
Department of Dentistry, Taipei Medical University-Shuang Ho Hospital, New Taipei City 235, Taiwan
School of Oral Hygiene, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan
Author to whom correspondence should be addressed.
Co-first author: Chia-Hsien Wang.
Appl. Sci. 2020, 10(4), 1363;
Received: 12 November 2019 / Revised: 5 February 2020 / Accepted: 12 February 2020 / Published: 17 February 2020
(This article belongs to the Special Issue Application of the Biocomposite Materials on Bone Reconstruction)
The effects of the nano-titanium hydrides (nano-γ-TiH) phase on the formation of nanoporous Ti oxide layer by the potential approach (hydrogen fluoride (HF) pretreatment and sodium hydroxide (NaOH) anodization) were investigated using scanning electron microscopy, X-ray photoelectron spectroscopy, X-ray diffractometry, and transmission electron microscopy. The nano-γ-TiH phase was formed by the HF pretreatment with various current densities. After the NaOH anodization, the nano-γ-TiH phase was dissolved and transformed into nanoporous rutile-Ti dioxide (R-TiO2). As the Ti underwent HF pretreatment and NaOH anodization, the microstructure on the surface layer was transformed from α-Ti → (α-Ti + nano-γ-TiH) → (α-Ti + R-TiO2). In-vitro biocompatibility also indicated that the Ti with a hierarchical porous (micro and nanoporous) TiO2 surface possessed great potential to enhance cell adhesion ability. Thus, the potential approach can be utilized to fabricate a promising hierarchical porous surface on the Ti implant for promoting biocompatibility. View Full-Text
Keywords: titanium oxide; titanium hydride; anodization; biocompatibility titanium oxide; titanium hydride; anodization; biocompatibility
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MDPI and ACS Style

Lan, W.-C.; Wang, C.-H.; Huang, B.-H.; Cho, Y.-C.; Saito, T.; Huang, C.-C.; Huang, M.-S. Fabrication of a Promising Hierarchical Porous Surface on Titanium for Promoting Biocompatibility. Appl. Sci. 2020, 10, 1363.

AMA Style

Lan W-C, Wang C-H, Huang B-H, Cho Y-C, Saito T, Huang C-C, Huang M-S. Fabrication of a Promising Hierarchical Porous Surface on Titanium for Promoting Biocompatibility. Applied Sciences. 2020; 10(4):1363.

Chicago/Turabian Style

Lan, Wen-Chien; Wang, Chia-Hsien; Huang, Bai-Hung; Cho, Yen-Chun; Saito, Takashi; Huang, Chien-Chia; Huang, Mao-Suan. 2020. "Fabrication of a Promising Hierarchical Porous Surface on Titanium for Promoting Biocompatibility" Appl. Sci. 10, no. 4: 1363.

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