Surface Modification of Titanium with Hydrothermal Treatment at High Pressure
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概要
- 論文の詳細を見る
Surface modification of titanium was investigated by means of hydrothermal treatment with a maximum pressure of 6.3 MPa (280℃ temperature) in CaO solution or water to improve bioactivity and biocompatibility. As a result, calcium titanate was formed on the titanium surface. Moreover, titanium oxide and titanium hydroxide layers on the surface increased as temperature and pressure increased. The surface-modified titanium was also immersed in a simulated body fluid (SBF) to estimate its bioactivity. Needle-like apatite precipitation was observed on all hydrothermal-treated titanium surfaces after immersion in SBF for four weeks. In particular, the apatite precipitation of titanium treated with 6.3 MPa in CaO solution was clearer and larger in amount than those of all other hydrothermal-treated specimens. Further, the amount of precipitate corresponded to the thickness of the surface-modified layer and the amount of calcium in the surface layer. The results suggested that surface modification of titanium with high-pressure hydrothermal treatment seemed to improve bioactivity and biocompatibility.
- 日本歯科理工学会の論文
著者
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ASAOKA Kenzo
Department of Biomaterials and Bioengineering, The University of Tokushima Graduate School of Oral S
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ICHIKAWA Tetsuo
Department of Oral & Maxillofacial Prosthodontics and Oral Implantology, The University of Tokushima
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Asaoka K
Tokushima Univ. Tokushima Jpn
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Asaoka Kenzo
Univ. Tokushima Graduate School Of Oral Sci. Tokushima Jpn
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Asaoka Kenzo
Department Of Biomaterials And Bioengineering Institute Of Health Biosciences The University Of Toku
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Asami K
Institute For Materials Research Tohoku University
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KON Masayuki
Department of Dental Engineering, School of Dentistry, Tokushima University
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Hirakata Luciana
Department Of Prosthodontics School Of Dentistry Pontifical Catholic University Of Rio Grande Do Sul
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Kon Masayuki
Department Of Biomaterials And Bioengineering Course Of Maxillo-oral And Regenerative Medicine Insti
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Ichikawa Tetsuo
Department Of Oral & Maxillofacial Prosthodontics The University Of Tokushima Institute Of Healt
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SULTANA Razia
Department of Oral and Maxillofacial Prosthodontics and Oral Implantology, Institute of Health Biosc
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FUJIHARA Emi
Department of Biomaterials and Bioengineering, Course of Maxillo-Oral and Regenerative Medicine, Ins
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Kon Masayuki
徳島大学 歯 歯理工
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Fujihara Emi
Department Of Biomaterials And Bioengineering Course Of Maxillo-oral And Regenerative Medicine Insti
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Sultana Razia
Department Of Oral And Maxillofacial Prosthodontics And Oral Implantology Institute Of Health Biosci
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Kon Masayuki
Department Of Dental Engineering School Of Dentisby Tokushima University
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Ichikawa Tetsuo
Department Of Oral & Maxillofacial Prosthodontics And Oral Implantology University Of Tokushima
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Ichikawa Tetsuo
Department Of Oral & Maxillofacial Prosthodontics And Oral Implantology The University Of Tokush
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Asaoka Kenzo
Department Of Biomaterials & Bioengineering Institute Of Health Biosciences The University Of Tokushima Graduate School
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