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Femtosecond Laser-Induced Micropattern and Ca/P Deposition on Ti Implant Surface and Its Acceleration on Early Osseointegration
Liang, Chunyong1; Wang, Hongshui1; Yang, Jianjun2; Cai, Yanli1,3; Hu, Xin4; Yang, Yang2,5; Li, Baoe1; Li, Hongjie4; Li, Haipeng1; Li, Changyi4; Yang, Xianjin3
关键词Femtosecond Lasers Ti Implant Ca/p Phase Micropatterning Osseointegration
刊名ACS APPLIED MATERIALS & INTERFACES
2013-08-28
DOI10.1021/am402290e
5期:16页:8179-8186
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology
类目[WOS]Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]Science & Technology - Other Topics ; Materials Science
关键词[WOS]TITANIUM IMPLANTS ; NITI ALLOY ; IN-VIVO ; PULSES ; OSTEOINTEGRATION ; MICROSTRUCTURES ; INTEGRATION ; SUBSTRATE ; ABLATION ; SILICON
英文摘要Surface microstructure and chemical composition of the implant are very important for its osseointegration in vivo. In this paper, a hierarchical micropattern covered with calcium phosphate (Ca/P phase) was obtained on titanium (Ti) implant surface by femtosecond lasers (FSL) irradiation in hydroxyapatite suspension. The hierachical micropattern as well as Ca/P phase increased osteoblastic cell adhesion. Higher expression of osteogenic markers (osteocalcin, osteopontin, and runt related transcription factor-2) on the surface treated by FSL of 2.55 J/cm(2) indicated the favorable effect of laser treatment on cell differentiation. In vivo studies were carried out to evaluate the effect of laser treatment and Ca/P deposition on the osseointegration. It showed that the binding capacity between bone and FSL-treated Ti implants was obviously stronger than that between bone and polished or sand blasting and acid etching (SLA) Ti implants. Bone trabecula surrounded the FSL-treated implants without fibrous tissue after 8-week implantation. Also, higher bone mineral density was seen surrounding the FSL-treated implants. Our in vitro and in vivo studies demonstrated that the FSL induced micropattern and Ca/P phase had positive effects on the acceleration of early osseointegration of Ti implants with bone tissue.
语种英语
WOS记录号WOS:000323875800075
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/137810
专题中国科学院大连化学物理研究所
作者单位1.Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300130, Peoples R China
2.Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R China
3.Tianjin Univ, Sch Mat Sci & Engn, Tianjin 300072, Peoples R China
4.Tianjin Med Univ, Stomatol Hosp, Tianjin 300070, Peoples R China
5.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
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Liang, Chunyong,Wang, Hongshui,Yang, Jianjun,et al. Femtosecond Laser-Induced Micropattern and Ca/P Deposition on Ti Implant Surface and Its Acceleration on Early Osseointegration[J]. ACS APPLIED MATERIALS & INTERFACES,2013,5(16):8179-8186.
APA Liang, Chunyong.,Wang, Hongshui.,Yang, Jianjun.,Cai, Yanli.,Hu, Xin.,...&Yang, Xianjin.(2013).Femtosecond Laser-Induced Micropattern and Ca/P Deposition on Ti Implant Surface and Its Acceleration on Early Osseointegration.ACS APPLIED MATERIALS & INTERFACES,5(16),8179-8186.
MLA Liang, Chunyong,et al."Femtosecond Laser-Induced Micropattern and Ca/P Deposition on Ti Implant Surface and Its Acceleration on Early Osseointegration".ACS APPLIED MATERIALS & INTERFACES 5.16(2013):8179-8186.
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