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three-dimensional star dental turbine made of polymer materials

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  • Three-dimensional comparative study on the accuracy

    Statement of problem: Studies investigating the precision of 3-dimensional (3D) printed casts for fixed prosthodontics are scarce. Purpose: The purpose of this in vitro study was to compare the accuracy and reproducibility of dental casts made by the conventional method and by 3D printing. Material and methods: A master model was designed and fabricated with polyetherketoneketone.

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  • Accuracy of three-dimensional dental resin models

    Objectives: The aim of this study was to assess the dimensional accuracy of fused deposition modeling (FDM)-, Polyjet-, and stereolithography (SLA)-produced models by comparing them to traditional plaster casts. Materials and methods: A total of 12 maxillary and mandibular posttreatment orthodontic plaster casts were selected from the archives of the Orthodontic Department at the Indiana ...

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  • Three dimensional nanosuperstructures made of two ...

    2019-12-1 · Three-dimensional graphene foams derived from various templates through CVD have demonstrated high surface areas [59,60,152,153]. Those made of Ni foams offer a surface area up to 850 m 2 g −1, which can be modulated by tuning the number of layers deposited with different deposition time and flow rate . However, the intrinsic large pores of ...

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  • Superwetting Polymeric Three Dimensional (3D)

    This review article reports the latest progress of polymeric three dimensional porous materials (3D-PMs) with super wettability to separate oil/water mixtures. The theories on developing super-wetting porous surfaces and the effects of wettability on oil/water separation have been discussed.

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  • Comparison of Retention of Clasps Made of Different ...

    An undercut depth of 0.01inch was created on the mesiobuccal surface of the premolar and distobuccal surface of second molar. Three dimensional finite element model of clasp assembly was designed and assigned with the properties of two different materials namely acetal resin and cobalt-chromium in successive steps.

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  • Three-dimensional network structured α-Fe2O3 made

    2014-3-1 · Three-dimensional (3D) imaging of the organisation of complex material systems is one of the most actively developing areas of modern microscopy, and tomography is the main approach [1], [2]. Tomography, in its old Greek meaning, refers to a technique to draw (reconstruct) a section of an object, referring to inner sections as opposed to surfaces.

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  • Three-dimensional imaging of polymer materials by

    2016-12-1 · 1. Introduction. Three-dimensional (3D) printing technology is positioned to become a key part of a third industrial revolution , , .Current 3D printing technology uses mostly selective laser sintering (SLS), fused deposition modeling (FDM), and digital light processing (DLP) forming methods , .FDM is used universally; common printing strip materials include acrylonitrile butadiene styrene ...

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  • Modulation, functionality, and cytocompatibility of

    2010-1-21 · Drawing lithography is a novel fabrication technique in which a thermosetting polymer is directly drawn from a two-dimensional solid surface without the need for a mask and light irradiation (see figure). Drawing lithography differs from traditional lithography techniques, such as photolithography, in that it is based on the inherently planar geometries of a two-dimensional substrate in a ...

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  • Drawing Lithography: Three‐Dimensional Fabrication

    2017-2-1 · Up to now, most aerospace components like engine exhaust and turbine blade are 3D-printed with metal materials, , since usually metals are stronger and more flame retardant than polymer materials. Recently, several research institutes are exploring ways to apply 3D printing of polymer composites to aerospace applications due to the fuel efficiency of usage of polymer composites.

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  • Additive Manufacturing Technology: Potential

    2014-11-22 · encompasses “dental.” ... the hundreds or thousands until a three-dimensional object emerges. Raw materials may be in ... 14 A polymer is a chemical compound made of small molecules that are arranged in a simple repeating struc-ture to form a larger molecule.

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  • Patient-Specific Surgical Implants Made of 3D Printed

    Additive manufacturing (AM) is rapidly gaining acceptance in the healthcare sector. Three-dimensional (3D) virtual surgical planning, fabrication of anatomical models, and patient-specific implants (PSI) are well-established processes in the surgical fields. Polyetheretherketone (PEEK) has been used, mainly in the reconstructive surgeries as a reliable alternative to other alloplastic ...

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  • New Challenges in Biomaterials - JSTOR

    three-dimensional structures of these bio-materials (6). The properties of various star polymers and dendrimers have led to different syn-thetic techniques for their preparation (7). Star polymers and dendrimers are hyper-Table 1. Examples of biomaterials applications. Cardiovascular Hearts and valves implants Vascular grafts Pacemakers Stents

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  • Star Trek anyone? 3D printing method creates objects

    2020-9-15 · Journal of Marine Science and Engineering Article Three-Dimensional Fluid–Structure Interaction Case Study on Elastic Beam Mahdi Tabatabaei Malazi 1,*, Emir Taha Eren 2, Jing Luo 1, Shuo Mi 1 and Galip Temir 2 1 State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610500, China; [email protected] (J.L.); [email protected] (S.M.)

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  • Three-Dimensional Fluid–Structure Interaction Case Study ...

    2020-8-17 · Right from the early days, polymer materials have been discovered as being beneficial for various applications but a poor understanding of these materials greatly handicapped their usage. However, with a change in this trend, polymer materials have gradually displaced other materials in most applications. In recent times, due to improved research and knowledge, polymer-based materials are …

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  • Polymer-Based Composites: An Indispensable

    Apparatus incorporating a movable dispensing head provided with a supply of material which solidifies at a predetermined temperature, and a base member, which are moved relative to each other along 'X,' 'Y,' and 'Z' axes in a predetermined pattern to create three-dimensional objects by building up material discharged from the dispensing head onto the base member at a controlled rate.

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  • US5121329A - Apparatus and method for creating

    For more than 30 years, we have shown this time and time again across many collaborative projects. The right 3D printing solution for your production including certified materials, consulting and a comprehensive range of services. Additive manufacturing is a key element of the manufacturing of tomorrow.

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  • Additve Manufacturing for Production and Industry |

    2007-1-17 · Taylor Ware, Dustin Simon, Keith Hearon, Clive Liu, Sagar Shah, Jonathan Reeder, Navid Khodaparast, Michael P. Kilgard, Duncan J. Maitland, Robert L. Rennaker and Walter E. Voit, Three‐Dimensional Flexible Electronics Enabled by Shape Memory Polymer Substrates for Responsive Neural Interfaces, Macromolecular Materials and Engineering, 297, 12 ...

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  • [PDF] Electrically Tunable Three-Dimensional

    An electrically tunable three-dimensional holographic photonic crystal made of polymer-dispersed liquid crystals was fabricated using a specially designed prism. This prism split a collimated laser beam into four beams which interfered with each other at the base of the prism to form a three-dimensional spatial light intensity pattern. The spatial light intensity pattern was then recorded ...

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  • Three-dimensional nanostructuring of polymer

    2014-3-7 · Read 'Three-dimensional nanostructuring of polymer materials by controlled avalanche using femtosecond laser pulses, Proceedings of SPIE' on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

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  • Three-Dimensional Printable Nanoporous Polymer

    Three-Dimensional Printable Nanoporous Polymer Matrix Composites for Daytime Radiative Cooling ... Three-Dimensional Printable Nanoporous Polymer Matrix Composites for Daytime Radiative Cooling ... UV–vis, and part of the FTIR measurements were carried out in the Materials Research Laboratory Central Research Facilities, University of ...

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  • Dental Polymers | Pocket Dentistry

    2018-9-28 · Three-dimensional constitutive model of woven fabric-reinforced shape memory polymer composites considering thermal residual stress Seok Bin Hong1, Joon Hyeok Jang1, Haedong Park2, Jin-Gyun Kim3, Nam Seo Goo4 and Woong-Ryeol Yu1 1Department of Materials Science and Engineering and Research Institute of Advanced Materials (RIAM), Seoul National University, Seoul …

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  • Three-dimensional constitutive model of woven fabric ...

    The effect of three-dimensional morphology on the efficiency of hybrid polymer solar cells. Oosterhout SD(1), Wienk MM, van Bavel SS, Thiedmann R, Koster LJ, Gilot J, Loos J, Schmidt V, Janssen RA. Author information: (1)Molecular Materials and Nanosystems, Eindhoven University of Technology, PO Box 513, 5600 MB Eindhoven, The Netherlands.

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  • The effect of three-dimensional morphology on the ...

    Indirect three-dimensional printing of synthetic polymer scaffold based on thermal molding process. Park JH(1), Jung JW, Kang HW, Cho DW. Author information: (1)Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Korea.

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  • Indirect three-dimensional printing of synthetic

    Photoacoustic (PA) imaging with functional nanoprobes in the second near-infrared region (NIR-II, 1000–1700 nm) has aroused much interest due to its deep tissue penetration and high maximum laser permissible exposure. However, most NIR-II PA imaging is performed using the two-dimensional …

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  • Intravital NIR-II three-dimensional photoacoustic

    2020-12-24 · Additive manufacturing is a revolutionary three-dimensional (3D) printing technology that has applications in a vast number of fields from aerospace to biological engineering. In the field of bioengineering, it was recently discovered that the principles used in 3D bioprinting of organs and tissues could also be used to 3D print biological materials produced by genetically engineered bacteria.

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  • Engineered proteins and three-dimensional printing

    2020-8-17 · Right from the early days, polymer materials have been discovered as being beneficial for various applications but a poor understanding of these materials greatly handicapped their usage. However, with a change in this trend, polymer materials have gradually displaced other materials in most applications. In recent times, due to improved research and knowledge, polymer-based materials are …

    Get Price
  • Three-dimensional nanostructuring of polymer

    2014-3-7 · Read 'Three-dimensional nanostructuring of polymer materials by controlled avalanche using femtosecond laser pulses, Proceedings of SPIE' on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

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  • Three-dimensional microarchitected materials and

    2018-9-28 · Three-dimensional constitutive model of woven fabric-reinforced shape memory polymer composites considering thermal residual stress Seok Bin Hong1, Joon Hyeok Jang1, Haedong Park2, Jin-Gyun Kim3, Nam Seo Goo4 and Woong-Ryeol Yu1 1Department of Materials Science and Engineering and Research Institute of Advanced Materials (RIAM), Seoul National University, Seoul …

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  • Three-dimensional constitutive model of woven fabric ...

    N2 - Motivated by the unique structure and outstanding properties of graphene, three-dimensional (3D) graphene-based polymer nanocomposites (3D-GPNCs) are considered as new generation materials for various multi-functional applications. This review presents an overview of the preparation, properties and applications of 3D-GPNCs.

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  • Three-dimensional graphene-based polymer

    three-dimensional geogrid JUTADRAIN C. three-dimensional geogrid. JUTADRAIN C. Geocomposite formed by a three - dimensional extruded drainage core (grid) laminated on one or both sides with a filtration geotextile. The product is mainly utilised to provide in-plain drainage, fulfilling ... Compare this product Remove from comparison tool.

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  • Three-dimensional geogrid - All architecture and

    2021-6-9 · Article Small oligonucleotides detection in three-dimensional polymer network of DNA-PEG hydrogels. Alessia Mazzarotta1, Tania Mariastella Caputo1, Luca Raiola1, Edmondo Battista2 *, Paolo Antonio Netti1,2,3 , Filippo Causa2,3 1 Center for Advanced Biomaterials for [email protected], Istituto Italiano di Tecnologia (IIT), Largo Barsanti e Matteucci 53, 80125 Naples, Italy

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  • Article Small oligonucleotides detection in three ...

    Three-Dimensional Bicontinuous Graphene Monolith from Polymer Templates. by Kewei Liu, Yu-Ming Chen, Gina M Policastro, Matthew L Becker, Yu Zhu. ACS nano. Read more related scholarly scientific articles and abstracts.

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  • Three-Dimensional Bicontinuous Graphene Monolith

    2019-7-26 · Materials and Methods 20 Adolescent patients undergoing fixed appliance treatment in the department of Orthodontics, KD Dental College were recruited for this study. 10 patients (5 women and 5 men) were given Essix retainers (Group I) and 10 (5 women and 5 men) were given modified Essix retainers (Group II) to wear and the mean follow-

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  • Accuracy of three-dimensional dental resin models

    2018-3-6 · Recipient(s) will receive an email with a link to 'Accuracy of three-dimensional dental resin models created by fused deposition modeling, stereolithography, and Polyjet prototype technologies: A comparative study' and will not need an account to access the content.

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  • Fabrication of Three Dimensional Structures in

    Polymer materials have been utilized in microfluidic devices because of their properties and competitive cost for single-use devices. However, most microfabrication processes can not produce true three dimensional features in polymers. In this study, a new method with lost-wax casting was proposed to fabricate three dimensional microstructures in polymer-based microchannels.

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  • Three-dimensional selective growth of nanoparticles on a ...

    2010-7-24 · three-dimensional (3D) polymer microstructure. The technique integrates 3D direct writing of heterogeneous microstructures with nanoparticle synthesis. A digital micromirror device is employed as a dynamic mask in the digital projection photopolymerization process to build the heterogeneous microstructure layer by layer.

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  • Three-dimensional arrays of graphenated carbon

    I. INTRODUCTION Due to its unique structures and properties, carbon has generated excitement among materials scientists and engineers for many decades, from the synthesis of diamond Reference Hall 1, Reference Werner and Locher 2 to Buckminster fullerenes Reference Kroto, Heath, O’Brien, Curl and Smalley 3 and carbon nanotubes (CNTs). Reference Iijima 4 Recently, graphene has been added to ...

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  • Large-Area Three-Dimensional Molecular Ordering of

    Rational molecular design and processing, enabling large-area molecular ordering, are important for creating high-performance organic materials and devices. We show that, upon one-step hot-pressing with uniaxially stretched Teflon sheets, a polymer brush carrying azobenzene-containing mesogenic side chains self-assembles into a freestanding film, where the polymer backbone aligns ...

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  • Three-Dimensional Fluid–Structure Interaction Case Study ...

    2020-9-15 · Journal of Marine Science and Engineering Article Three-Dimensional Fluid–Structure Interaction Case Study on Elastic Beam Mahdi Tabatabaei Malazi 1,*, Emir Taha Eren 2, Jing Luo 1, Shuo Mi 1 and Galip Temir 2 1 State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610500, China; [email protected] (J.L.); [email protected] (S.M.)

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  • Electrospinning of Polymeric Nanofibers for Tissue ...

    2019-9-9 · Polymer blend nanofibers containing polycaprolactone as biocompatible and biodegradable binding agent to fabricate electrospun three-dimensional scaffolds/structures Polymer, Vol. 151 Biopolymers for Antitumor Implantable Drug Delivery Systems: Recent Advances and Future Outlook

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  • Bioinspired by cell membranes: functional polymeric ...

    2020-8-2 · FESEM photographs of three-dimensional nano-flowered MoS2-PANI composites and their electromagnetic wave absorption properties The work was successfully carried out under 1.5 MPa and 160 °C by hydrothermal synthesis to obtain flower-like nano-MoS2 as matrix and polymerization of nano-rod-like PANI (polyaniline) loaded on MoS2 as matrix to obtain three-dimensional nano-flower-like …

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  • Hydrosilyl-Functional Polysiloxanes: Synthesis,

    The delicate compositions, structures, and functions of natural cell membranes provide ideal prototypes for the development of functional biomedical polymers. First, the cell membranes, e.g., the red blood cell membrane, can be directly utilized to coat the functional polymeric materials, achieving an excell 2020 Materials Chemistry Frontiers Review-type Articles

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