The application of Three-dimensional printing on foot fractures and deformities: A mini-review

Agarwal, Raj; Malhotra, Shriya; Gupta, Vishal; Jain, Vivek

doi:10.1016/j.stlm.2022.100046

Cited by 19 publications

(10 citation statements)

References 32 publications

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“…The change in fracture behavior of samples with change in processing parameters is well supported by the literature as well. [ 46–48 ] The fractured specimens 1, 2, and 3 show decreasing trend in the crack propagation in consequent layers that supports the increasing strength of specimens from 1 to 3 as depicted in Figure 18A–C. Sample 7, 8, and 9 present less deformation and voids in the interconnected layers of fabricated parts as represented in Figure 18D–F which also supports the negligible change in tensile strength of specimens from samples 7 to 9.…”

Section: Fracture Mechanics Of Different Samplessupporting

confidence: 67%

Influence of process parameters on mechanical strength, build time, and material consumption of 3D printed polylactic acid parts

et al. 2022

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The purpose of the study is to examine and analyze the effect of different process parameters of fused deposition modeling process, namely, nozzle diameter, build orientation, infill density, raster pattern, layer height, and print speed on the response variables, namely, tensile strength, build time, and material consumption. Taguchi L 27 orthogonal array experimental design has been adopted to print the PLA samples for experimental investigation. The optimum values of process parameters are obtained from the signal-to-noise ratio values of responses. The performed confirmation tests revealed that optimum process parameters combination determined through Taguchi method improves the tensile strength, reduce the build time, and material consumption significantly. Confirmation from analysis of variance (ANOVA) results revealed that the build orientation and nozzle diameter are the most influential process parameters for all the considered responses. The infill density is found to be an influential process parameter for material consumption. Further, the developed regression models for prediction of response characteristics and normal probability plots show significance of coefficients for predicted models. Results from the confirmation test revealed that the PLA part printed with optimum settings ((Nd) 3 -(Bo) 3 -(Id) 3 -(Rp) 1 -(Lh) 2 -(Ps) 1 )) for tensile strength shows maximum tensile strength of 61.24 MPa with an improvement of 6.26%. Similarly, the part printed with the optimum settings ((Nd) 3 -(Bo) 1 -(Id) 2 -(Rp) 1 -(Lh) 3 -(Ps) 3 ) for build time takes 0.32 h of time with a reduction of 8.57%. The part printed with the optimum settings ((Nd) 1 -(Bo) 1 -(Id) 1 -(Rp) 2 -(Lh) 1 -(Ps) 2 ) for material consumption consumes material of 7.6 g with a reduction of 2.56%. Fracture mechanics results depict that variation of process parameters during the fabrication of samples has significant influence on the tensile strength.

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Section: Fracture Mechanics Of Different Samplessupporting

confidence: 67%

Influence of process parameters on mechanical strength, build time, and material consumption of 3D printed polylactic acid parts

et al. 2022

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“…The applications included wound caring, drug delivery, and tissue engineering; however, 3D printing methods were not in the scope of the review. R. Pugliese et al highlighted recent advances in the field of 3D printing hydrogels and their biomedical applications, focusing on analyzing the different hydrogels and bio-inks based on their printability properties, cost-effectiveness, degradation rate, and biocompatibility [ 20 ]. J. Li et al reported a review which focused on hydrogel designs, and the development of hydrogel-bio-ink materials for 3D printing [ 21 ].…”

Section: Introductionmentioning

confidence: 99%

Smart 3D Printed Hydrogel Skin Wound Bandages: A Review

2022

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Wounds are a major health concern affecting the lives of millions of people. Some wounds may pass a threshold diameter to become unrecoverable by themselves. These wounds become chronic and may even lead to mortality. Recently, 3D printing technology, in association with biocompatible hydrogels, has emerged as a promising platform for developing smart wound dressings, overcoming several challenges. 3D printed wound dressings can be loaded with a variety of items, such as antibiotics, antibacterial nanoparticles, and other drugs that can accelerate wound healing rate. 3D printing is computerized, allowing each level of the printed part to be fully controlled in situ to produce the dressings desired. In this review, recent developments in hydrogel-based wound dressings made using 3D printing are covered. The most common biosensors integrated with 3D printed hydrogels for wound dressing applications are comprehensively discussed. Fundamental challenges for 3D printing and future prospects are highlighted. Additionally, some related nanomaterial-based hydrogels are recommended for future consideration.

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“…However, due to distinctive advantages of additive manufacturing (AM), [60] it has gained attention of researchers. [61,62] The technique involves faster part building [63] and results in production of customized implants with minimized waste material as manufacturing is done layer by layer. [64] The three dimensional model of the implant is made in designing software, which is then tessellated to form Standard Tessellation Language (STL) file and printing of part takes place with deposition of each layer.…”

Section: Introductionmentioning

confidence: 99%

Current trends, applications, and challenges of coatings on additive manufacturing based biopolymers: A state of art review

2022

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Healing of bone fractures highly depends on the biocompatibility, stability in biological conditions, biodegradability, technical functionality, and shelf‐life of biomaterials. Metallic biomaterials offer excellent mechanical properties and biocompatibility. However, metallic bone implants result in stress shielding, release of toxic ions, excessive wear, and corrosion. Polymer materials are being explored for bone implants due to their light‐weight, biocompatibility, biodegradability, and absence of stress shielding. In the new era, additive manufacturing (AM) is being preferred due to its capability of fabricating customer specific implants with minimum material wastage. However, AM based polymer implants lack in mechanical strength and biological properties. Surface modification of polymeric substrates using coatings and incorporation of bioadditives have been regarded as alternatives for improvement of mechanical and biological properties. This review discusses about various coating techniques and gives an overview about coatings and bioadditives that can be used for enhancement of properties. From the review, it is evident that reinforcement of hydroxyapatite to polylactic acid resulted in prevention of crack growth during shape recovery cycles which can be used for self‐fitting implants. Coatings have been successful in enhancing hydrophilicity, mechanical properties, anti‐biofouling, antibacterial and anti‐coagulative properties, adhesion, proliferation, and differentiation of cells on the coated surface. This review also discusses the challenges that need to be overcome for progression in this field.

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The application of Three-dimensional printing on foot fractures and deformities: A mini-review

Cited by 19 publications

References 32 publications

Influence of process parameters on mechanical strength, build time, and material consumption of 3D printed polylactic acid parts

Influence of process parameters on mechanical strength, build time, and material consumption of 3D printed polylactic acid parts

Smart 3D Printed Hydrogel Skin Wound Bandages: A Review

Current trends, applications, and challenges of coatings on additive manufacturing based biopolymers: A state of art review

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