Antimicrobial and osteoconductivity of titanium implant surface.
钛种植体表面的抗菌性和骨传导性。
基本信息
- 批准号:21390527
- 负责人:
- 金额:$ 10.32万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (B)
- 财政年份:2009
- 资助国家:日本
- 起止时间:2009 至 2011
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Initial adhesion of micro-organisms onto such orthopedic and dental implant surfaces is an unavoidable event that triggers biofilm formation. Biofilm formation on implanted medical devices is a major complication leading to potential surgical failure. When titanium is anodized by discharge in NaCl solution, both antimicrobial activity and osteoconductivity are conferred. The viability of adherent micro-organisms and cells on antimicrobial titanium remains uncertain. We hypothesized that a thin peroxidation barrier would efficiently destroy adherent bacteria, whereas adherent osteoblastic cells would be viable, since these cells adhere to the surface indirectly though serum proteins. The efficacy of antimicrobial titanium appears to be based on peroxidation, since peroxidation products were detected in parallel with the destruction of bacterial cell-surface structures. The peroxidation effect of antimicrobial titanium was confined to the surface within narrow limits. The viability of osteoblastic cells on the surface was strongly dependent on the presence of serum protein, whereas that of adherent Streptococcus mutans was not affected by the presence of serum proteins. Therefore, differences in the adherent systems used by bacteria and osteoblastic cells are important determinants of their viability on antimicrobial titanium.
微生物在此类矫形体和牙科种植体表面的初始粘附是触发生物膜形成的不可避免的事件。植入式医疗器械生物膜的形成是导致潜在手术失败的主要并发症。当钛在NaCl溶液中阳极氧化时,既具有抗菌活性又具有骨导电性。附着微生物和细胞在抗菌钛上的生存能力仍不确定。我们假设薄的过氧化屏障可以有效地破坏附着的细菌,而附着的成骨细胞可以存活,因为这些细胞通过血清蛋白间接附着在表面。抗菌钛的功效似乎是基于过氧化,因为过氧化产物被检测到与细菌细胞表面结构的破坏并行。抗菌钛的过氧化作用局限于表面,范围很窄。表面成骨细胞的活力强烈依赖于血清蛋白的存在,而附着的变形链球菌的活力不受血清蛋白存在的影响。因此,细菌和成骨细胞使用的贴壁系统的差异是它们在抗菌钛上生存能力的重要决定因素。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Antimicrobial and osteogenic properties of a hydrophilic-modified nanoscale hydroxyapatite coating on titanium.
- DOI:10.1016/j.nano.2011.07.001
- 发表时间:2012-04
- 期刊:
- 影响因子:0
- 作者:A. Murakami;T. Arimoto;D. Suzuki;Misato Iwai-Yoshida;Fukunaga Otsuka;Y. Shibata;T. Igarashi;R. Kamijo;T. Miyazaki
- 通讯作者:A. Murakami;T. Arimoto;D. Suzuki;Misato Iwai-Yoshida;Fukunaga Otsuka;Y. Shibata;T. Igarashi;R. Kamijo;T. Miyazaki
The characteristics of in vitro biological activity of titanium surfaces anodically oxidized in chloride solutions.
- DOI:10.1016/j.biomaterials.2010.07.098
- 发表时间:2010-11
- 期刊:
- 影响因子:14
- 作者:Y. Shibata;D. Suzuki;S. Omori;R. Tanaka;A. Murakami;Y. Kataoka;Kazuyoshi Baba;R. Kamijo;
- 通讯作者:Y. Shibata;D. Suzuki;S. Omori;R. Tanaka;A. Murakami;Y. Kataoka;Kazuyoshi Baba;R. Kamijo;
Antimicrobial Activity and Osteoblastic Responses to Anodically Oxidized Titanium Surfaces.
对阳极氧化钛表面的抗菌活性和成骨细胞反应。
- DOI:
- 发表时间:2011
- 期刊:
- 影响因子:0
- 作者:Akiyama T;et al;Tanaka R
- 通讯作者:Tanaka R
Role of Chloride Formed on Anodized Titanium Surfaces Against an Oral Microorganism
- DOI:10.1177/0885328209349316
- 发表时间:2010-08-01
- 期刊:
- 影响因子:2.9
- 作者:Deng, Jia-Yin;Arimoto, Takafumi;Igarashi, Takeshi
- 通讯作者:Igarashi, Takeshi
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MIYAZAKI Takashi其他文献
Effect of kinematic viscosity on the staining performance of caries detector dyes
运动粘度对龋齿检测染料染色性能的影响
- DOI:
10.4012/dmj.2017-083 - 发表时间:
2019 - 期刊:
- 影响因子:2.5
- 作者:
KOBAYASHI Mikihiro;INAGAKI Rina;ICHIKAWA Kotona;NIIZUMA Yuiko;MORISAKI Hirobumi;KUWATA Hirotaka;MANABE Atsufumi;MIYAZAKI Takashi - 通讯作者:
MIYAZAKI Takashi
MIYAZAKI Takashi的其他文献
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{{ truncateString('MIYAZAKI Takashi', 18)}}的其他基金
Are stable Ba isotopes suitable as tracers for subducting sediment?
稳定的 Ba 同位素是否适合作为俯冲沉积物的示踪剂?
- 批准号:
15K05357 - 财政年份:2015
- 资助金额:
$ 10.32万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Antibacterial and osteogenic properties on hydrophilic-modified hydroxyapatite coating on titanium
钛表面亲水改性羟基磷灰石涂层的抗菌和成骨性能
- 批准号:
24390445 - 财政年份:2012
- 资助金额:
$ 10.32万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Remineralization of preliminarily carious by enamel proteins with artificial body fluids
人工体液通过牙釉质蛋白对初步龋齿进行再矿化
- 批准号:
23659924 - 财政年份:2011
- 资助金额:
$ 10.32万 - 项目类别:
Grant-in-Aid for Challenging Exploratory Research
Developing community empowerment model for supporting practice of transition
开发社区赋权模型以支持转型实践
- 批准号:
22330208 - 财政年份:2010
- 资助金额:
$ 10.32万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Meaning of Social Capital for Supporting Self-relience of the Excluded Youth
社会资本对支持受排斥青年自力更生的意义
- 批准号:
19330165 - 财政年份:2007
- 资助金额:
$ 10.32万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Immediate loading of titanium implant achieved by nano surface modifications
通过纳米表面修饰实现钛植入物的即时负载
- 批准号:
18390523 - 财政年份:2006
- 资助金额:
$ 10.32万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Immediate loading titanium implant with hybrid structure prepared by discharging methods
放电法制备混合结构即刻负重钛种植体
- 批准号:
16390563 - 财政年份:2004
- 资助金额:
$ 10.32万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Surface treatment of titanium implants by discharging methods
钛种植体的放电法表面处理
- 批准号:
14370644 - 财政年份:2002
- 资助金额:
$ 10.32万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
DEVELOPMENT OF THE COMPACT DIGITIZING UNIT FOR DENTAL CAD/CAM SYSTEM AVAILABLE FOR NETWORK DENTISTRY
开发适用于网络牙科的牙科 CAD/CAM 系统紧凑型数字化单元
- 批准号:
13557170 - 财政年份:2001
- 资助金额:
$ 10.32万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
An assessment of biocompatibility on the surface treatment by wire type EDM method.
采用线切割放电加工方法评估表面处理的生物相容性。
- 批准号:
12470424 - 财政年份:2000
- 资助金额:
$ 10.32万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
相似海外基金
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