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Formation of TiO2 nano-network on titanium surface increases the human cell growth
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148 24.Weber HP, Sukotjo C. Does the type of implant prosthesis affect outcomes in the partially edentulous patient? Int J Oral Maxillofac Implants 2007;22:140-72. 25.Osswald MA, Owen CP. Fracture resistance of acrylic resin and metal-reinforced acrylic resin distal extension cantilevers of fixed implant-supported prostheses. Int J Prosthodont 2008;21:413-4.
26.Jemt T. Three-dimensional distortion of gold alloy castings and welded titanium frameworks. Measurements of the precision of fit between completed implant prostheses and the master casts in routine edentulous situations. J Oral Rehabil 1995;22:557-64. 27.Beyli MS, von Fraunhofer JA. An analysis of causes of fracture of acrylic resin dentures. J Prosthet Dent 1981;46:238-41. 28.Powers JM, Sakaguchi RL. Craig’s restorative dental materials. 12th ed. St. Louis: Elsevier; 2006. p. 519-24.
Corresponding author: Dr Avinash S. Bidra Department of Prosthodontics University of Texas Health Science Center 7703 Floyd Curl Dr, MSC 7912 San Antonio, TX 78229-3900 Fax: 210-567-6376 E-mail: [email protected] Acknowledgements The authors thank Nobel Biocare USA for their support in the treatment of this patient. Copyright © 2010 by the Editorial Council for The Journal of Prosthetic Dentistry.
Noteworthy Abstracts of the Current Literature Formation of TiO2 nano-network on titanium surface increases the human cell growth Chiang CY, Chiou SH, Yang WE, Hsu ML, Yung MC, Tsai ML, Chen LK, Huang HH. Dent Mater 2009;25:1022-9. Epub 2009 Mar 28. Objectives. This study was to improve human cell growth on titanium (Ti) used for dental implants through formation of a nano-network surface oxide layer created by an electrochemical anodization treatment. Methods. An electrochemical anodization treatment was used to produce a network oxide layer on Ti surface. Surface characterization of the network layer was carried out using thin film X-ray diffractometer and field emission scanning electron microscopy. Human bone marrow mesenchymal stem cells (hMSCs) were made to express green fluorescent protein (GFP) by retroviral transduction. The GFP signal was measured in situ to assess in vitro and in vivo cell growth on Ti surfaces. In vivo experiments on Ti-supported cell growth were carried out on the back skin of nude mice. Alizarin red staining and immunofluorescent staining were used to observe cell differentiation. Results. A multilayer TiO2 nano-network was produced rapidly on Ti surface using a simple electrochemical anodization treatment. The TiO2 nano-network layer on the anodized Ti surfaces significantly improved in vitro and in vivo hMSC growth, as assessed by measurement of GFP fluorescence, relative to hMSC growth on untreated Ti surface. The TiO2 nano-network layer on the anodized Ti surfaces can also induce the differentiation of hMSCs after 28-day in vivo test. Significance. The formation of TiO2 nano-network on the Ti surfaces can increase the hMSC growth in vitro and in vivo. Reprinted with permission of the Academy of Dental Materials.
The Journal of Prosthetic Dentistry
Bidra and Veeranki
148 24.Weber HP, Sukotjo C. Does the type of implant prosthesis affect outcomes in the partially edentulous patient? Int J Oral Maxillofac Implants 2007;22:140-72. 25.Osswald MA, Owen CP. Fracture resistance of acrylic resin and metal-reinforced acrylic resin distal extension cantilevers of fixed implant-supported prostheses. Int J Prosthodont 2008;21:413-4.
26.Jemt T. Three-dimensional distortion of gold alloy castings and welded titanium frameworks. Measurements of the precision of fit between completed implant prostheses and the master casts in routine edentulous situations. J Oral Rehabil 1995;22:557-64. 27.Beyli MS, von Fraunhofer JA. An analysis of causes of fracture of acrylic resin dentures. J Prosthet Dent 1981;46:238-41. 28.Powers JM, Sakaguchi RL. Craig’s restorative dental materials. 12th ed. St. Louis: Elsevier; 2006. p. 519-24.
Corresponding author: Dr Avinash S. Bidra Department of Prosthodontics University of Texas Health Science Center 7703 Floyd Curl Dr, MSC 7912 San Antonio, TX 78229-3900 Fax: 210-567-6376 E-mail: [email protected] Acknowledgements The authors thank Nobel Biocare USA for their support in the treatment of this patient. Copyright © 2010 by the Editorial Council for The Journal of Prosthetic Dentistry.
Noteworthy Abstracts of the Current Literature Formation of TiO2 nano-network on titanium surface increases the human cell growth Chiang CY, Chiou SH, Yang WE, Hsu ML, Yung MC, Tsai ML, Chen LK, Huang HH. Dent Mater 2009;25:1022-9. Epub 2009 Mar 28. Objectives. This study was to improve human cell growth on titanium (Ti) used for dental implants through formation of a nano-network surface oxide layer created by an electrochemical anodization treatment. Methods. An electrochemical anodization treatment was used to produce a network oxide layer on Ti surface. Surface characterization of the network layer was carried out using thin film X-ray diffractometer and field emission scanning electron microscopy. Human bone marrow mesenchymal stem cells (hMSCs) were made to express green fluorescent protein (GFP) by retroviral transduction. The GFP signal was measured in situ to assess in vitro and in vivo cell growth on Ti surfaces. In vivo experiments on Ti-supported cell growth were carried out on the back skin of nude mice. Alizarin red staining and immunofluorescent staining were used to observe cell differentiation. Results. A multilayer TiO2 nano-network was produced rapidly on Ti surface using a simple electrochemical anodization treatment. The TiO2 nano-network layer on the anodized Ti surfaces significantly improved in vitro and in vivo hMSC growth, as assessed by measurement of GFP fluorescence, relative to hMSC growth on untreated Ti surface. The TiO2 nano-network layer on the anodized Ti surfaces can also induce the differentiation of hMSCs after 28-day in vivo test. Significance. The formation of TiO2 nano-network on the Ti surfaces can increase the hMSC growth in vitro and in vivo. Reprinted with permission of the Academy of Dental Materials.
The Journal of Prosthetic Dentistry
Bidra and Veeranki