Medical porous titanium can be adjusted porosity and mechanical properties to match the bone tissue as titanium implant for reduce the stress shielding phenomenon. In addition, the porous structure is beneficial to osteoblast proliferation and differentiation, which can increase the bone ingrowths. Higher porosity of the porous titanium in a certain range (30%-90%) is more [...]
Recently, biomedical metallic materials become the widely used implant materials for hard tissues like dental roots. Porous titanium has become the research focus because of its combinations of good biocompatibility and unique pore structure. Porous structure contributes to ingrowth of tissues and transportation of body fluid. Additionally, as a bioinert material, the surface bioactivity of [...]
Recently, biomedical metallic materials become the widely used implant materials for hard tissues like dental roots. Porous titanium has become the research focus because of its combinations of good biocompatibility and unique pore structure. Porous structure contributes to ingrowth of tissues and transportation of body fluid. Additionally, as a bioinert material, the surface bioactivity of [...]
Recently, biomedical metallic materials become the widely used implant materials for hard tissues like dental roots. Porous titanium has become the research focus because of its combinations of good biocompatibility and unique pore structure. Porous structure contributes to ingrowth of tissues and transportation of body fluid. Additionally, as a bioinert material, the surface bioactivity of [...]
Titanium and its alloys have excellent mechanical strength, good corrosion resistance, and biocompatibility:being widely used for producing implants and biomedical devices, such as hip joint prosthesis, knee joint prosthesis, and dental implants. One factor that should be taken into account is the mismatch of Young’s modulus between bulk Ti-based metals (90-110 GPa) and bone (0.3-30 [...]
Objective:This study investigated the effects of porosity of porous titanium implants on adhesion,proliferation and differentiation of osteoblast cells after surface modification in vitro.Material and method:Firstly this study utilized the metal injection molding to prepare porous titanium implants with porosity of 5%、30%、40%、50%、60%;secondly carried out the surface modification by means of acid-base heat treatment,biomimetic deposition hydroxyapatite;thirdly conducted [...]
Objective:This study investigated the effect of different porosity on the osseointegration of porous titanium implant after surface modification.Material and method:This study utilized the Metal Injection Molding technology to prepare porous tiantium implants with the porosity of 40%and 60%;carried out the surface modification by means of acid-base heat treatment,biomimetic deposition hydroxyapatite;implanted them in the back muscle [...]
Objective:This study investigated the characterization of porous titanium coated with different concentrations of TGF-β1 loaded gelatin microspheres, and estimate the effects on function of osteoblast cells after surface modificated with TGF-β1 loaded gelatin microspheres in vitro.Materials and methods:Porous titanium with porosity of 60% and cross-connection pore structure were prepared by metal injection molding.Gelatin microspheres were [...]
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