Erratum: Wally, Z.J.; van Grunsven, W.; Claeyssens, F.; Goodall, R.; Reilly, G.C. Porous Titanium for Dental Implant Applications. Metals 2015, 5, 1902–1920.

Wally, Zena J.; Grunsven, W. van; Claeyssens, Frederik; Goodall, Russell; Reilly, Gwendolen C.

doi:10.3390/met6050097

Cited by 7 publications

(15 citation statements)

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“…[141] The authors concluded that small pores (about 188 mm) are more likely to promote cell differentiation at the beginning of the implant healing, whereas larger pores (313 μm and more) favor cell proliferation and bone ingrowth. [54] A porosity of 75-85%, as was described previously, is preferable for rapid bone ingrowth, according to Mour et al and a three-dimensional open porous structure is considered the most beneficial in the case of titanium implants. [54] A porosity of 75-85%, as was described previously, is preferable for rapid bone ingrowth, according to Mour et al and a three-dimensional open porous structure is considered the most beneficial in the case of titanium implants.…”

Section: Osseointegration Of Porous Implantsmentioning

confidence: 91%

Porous Titanium Implants: A Review

2018

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Titanium and its alloys are commonly used in almost all disciplines of medicine because of their sufficient biocompatibility and meeting of mechanical requirements. However, dense metallic biomaterials represent only an interfacial connection with host tissue, may develop stress shielding which causes ingrowth of the fibrous tissue, and are prone to microbial adhesion and development of biomaterial associated infections. Therefore, development of a new, porous titanium biomaterial is proposed to improve an implant's interconnection with bone, provide better stabilization, and reduce the risk of the loss of the implant. In this review, recent findings in porous titanium biomaterials engineering are discussed, including the structural and strengthening aspects of titanium alloys. The porosity and design of porous structures, as well as the optimization process are also described. An extensive part of this section is dedicated to manufacturing processes. The next section of the review is devoted to osseointegration of porous implants and surface treatment processes, whose purpose are antibacterial activity or local drug delivery. Summarizing the article, some future predictions have been presented.

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Section: Osseointegration Of Porous Implantsmentioning

confidence: 91%

Porous Titanium Implants: A Review

2018

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“…Three different orientations of this same pore array were selected for investigation and are shown schematically in Figure 1. Using a Miller index notation these orientations are: 1) {100}compression normal to the {100} plane family (across the cubic cell) 2) {110}compression normal to the {110} plane family (along the short diagonal) 3) {111}compression normal to the {111} plane family (along the long diagonal)…”

Section: Sample Designmentioning

confidence: 99%

“…Cellular/porous titanium structures have attracted considerable research for use as structural biomaterials, due to the potential for tailoring their elastic properties to be closer to those of natural bone and the enhancement of osseointegration of the implant into the host. [1][2][3][4] The approach used in previous studies by the present authors has been to create cellular structures from Ti-6Al-4V alloy by additive manufacturing of a primitive cubic array of spherical pores. [5,6] In this way, the size of the pores and the inter-pore "gateways"both important parameters for osseointegrationare directly controlled.…”

Section: Introductionmentioning

confidence: 99%

“…[1][2][3][4] The approach used in previous studies by the present authors has been to create cellular structures from Ti-6Al-4V alloy by additive manufacturing of a primitive cubic array of spherical pores. [5,6] In this way, the size of the pores and the inter-pore "gateways" -both important parameters for osseointegration -are directly controlled.…”

Section: Introductionmentioning

confidence: 99%

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Effects of Void Array Orientation on Compressive Properties of Cellular Structures

2017

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Additively manufactured cellular materials enable customized structural implants with superior osseointegration potential and mechanical properties better matched to bone. In this investigation, the compression response of Ti-6Al-4V alloy cellular materials comprising a simple cubic array of 2.00 mm diameter spherical voids with a 1.90 mm inter-void spacing are studied. Finite element analysis (FEA) shows that the lattice exhibited cubic symmetry with values for Young's modulus (E), Poisson's ratio, and shear modulus in the range of 28.5-29.5 GPa, 0.18-0.20, and 5.4-6.0 GPa, respectively. Compression tests carried out on cylinders with the same cellular structure fabricated by selective laser melting also show a strong dependence of elastic and plastic properties on orientation. Compression normal to the {100} plane of the simple cubic cell gives the highest E and strength, while compression normal to the {110} and {111} planes give lower values. The experimental E values for the {100} and {111} orientations show good agreement with the FEA results, but the {110} orientation shows lower values of E compared to the FEA predictions. Ultimate compressive failure of the cylinders occurred by gross slip along the {100} planes of the void array -coinciding with the slip planes for the simple cubic system.

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“…the potential applications open celled porous titanium is often suggested for use in biomedical implants into hard tissue, for example as reviewed for dental implants in [126] . The advantages for such applications come from the inherent inertness in the body of titanium, combined with the availability of pores for cells to grow into and provide better fixation and the ability of a porous structure to be designed with a particular Young's modulus, below that of the dense metal (for example by adjusting the level of porosity).…”

Section: Biomedical Implantsmentioning

confidence: 99%

Open Celled Porous Titanium

Shbeh

Goodall

2017

Adv Eng Mater

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[**] One of the authours (MMS) would like to acknowledge a studentship from the Iraqi Ministry of Higher Education and Scientific Research.Among the porous metals, those made of titanium attract particular attention due to the interesting properties of this element. This review examines the state of research understanding and technological development of these materials, in terms of processing capability, resultant structure and properties and the most advanced applications under development. The impact of the rise of additive manufacturing techniques on these materials is discussed, along with the likely future directions required for these materials to find practical applications on a large scale.

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Erratum: Wally, Z.J.; van Grunsven, W.; Claeyssens, F.; Goodall, R.; Reilly, G.C. Porous Titanium for Dental Implant Applications. Metals 2015, 5, 1902–1920.

Abstract: The authors wish to make the following corrections to the citations in the published paper [1].[...]

Cited by 7 publications

References 4 publications

Porous Titanium Implants: A Review

Porous Titanium Implants: A Review

Effects of Void Array Orientation on Compressive Properties of Cellular Structures

Open Celled Porous Titanium

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