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  • The potential of three-dimensional printing

    2019-4-1 · Additive manufacturing (AM), or three-dimensional (3D)-printing, is a process that enables the creation of three-dimensional objects from digital data using the layer-by-layer deposition of material . This method is already more than 30 years old . The first working device, the stereolithography apparatus, was developed in 1984 by Hull, C. W.

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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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  • Three-dimensional non-destructive visualization of

    2021-7-20 · A careful evaluation of teeth with an intense light source during a routine dental examination can often reveal microcracks in the enamel. They can be described as enamel microcracks (EMCs) that ...

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  • 3D and 4D printing in dentistry and maxillofacial

    2021-3-1 · 3D and 4D printing are cutting-edge technologies for precise and expedited manufacturing of objects ranging from plastic to metal. Recent advances in 3D and 4D printing technologies in dentistry and maxillofacial surgery enable dentists to custom design and print surgical drill guides, temporary and permanent crowns and bridges, orthodontic appliances and orthotics, implants, mouthguards for ...

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  • Materials for Aircraft Engines - University of Colorado ...

    2018-12-30 · As a supplement, the forward-swept wing type is adopted as a result of the latest three dimensional aerodynamic design technology. This improves the aerodynamic performance and also is able to reduce the number of fan blades from 22 to 18, which reduces weight and the number of parts. (Figure 5) 2.2. Fan Case

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  • Nanofillers - an overview | ScienceDirect Topics

    Three-dimensional (3D) nanofillers are relatively equiaxed particles having all three dimensions in the nanoscopic (nanometer) scale. They are usually in spherical [18] and cubical shapes, and are generally referred to as nanoparticles or isodimensional or zero dimensional nanoparticles. 3D nanofillers are also commonly called nanospheres, nanogranules, and nanocrystals.

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  • Polymer matrix composites in 3D printing: A state of

    2020-1-1 · Polymer matrix composites. A polymer matrix composite (PMC) is that type of composite material made up of a number of smaller constant filaments constrained together by a natural polymer grid. PMC’s are intended to carry loads in between filaments of a matrix material [10], [11]. PMCs are classified based upon different types of matrix ...

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  • Three-dimensional(3D) printing in forensic science–An ...

    2021-3-1 · Three-dimensional(3D) scanning and printing technologies has proved to be a boon and revolutionized Indian society in recent years. 3D printing is slowly gaining popularity in the fields of forensics due to its capability to provide information in all three axis (x, y and z) when compared to 2D photographs.The technology is actively being used in the fields of forensic medicine, anthropology ...

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  • What are polymer composite materials? Basic

    Firstly, it is higher specific strength that makes the composite product lighter than metal one at the same strength of the product The possibility of producing large parts and complex-shaped components allows reducing the number of components included in complex products This reduces the labor intensity of the assembly and the number of errors that may occur when connecting parts In addition, composites are …

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  • Three-dimensional non-destructive visualization of

    2021-7-20 · A careful evaluation of teeth with an intense light source during a routine dental examination can often reveal microcracks in the enamel. They can be described as enamel microcracks (EMCs) that ...

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  • Definition Structure and Composition Matrices

    2013-10-22 · Definition Composite materials are made from two or more distinct materials. The properties of the composite ... chains that fixes the polymer in a three-dimensional array, limiting the motion considerably. ... Metal matrices are used in car engines and turbine blades. However, due to their

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  • Dental Composites: A Review

    Dental composite resins are widely used in dental practice and are continually being developed in order to obtain better products. To gain full benefit from these materials, it is important for the clinician to understand their properties. The following is a review of the more

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  • Three-dimensional bio-printing and bone tissue

    2020-6-3 · Bone grafting has been considered the gold standard for hard tissue reconstructive surgery and is widely used for large mandibular defect reconstruction. However, the midface encompasses delicate structures that are surrounded by a complex bone architecture, which makes bone grafting using traditional methods very challenging. Three-dimensional (3D) bioprinting is a developing technology …

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  • Polymeric Materials - Fraunhofer IFAM

    2020-10-5 · Three‐dimensional (3‐D) finite element models of structural (scarf) repair of wind turbine blade, including the composite patch, adhesive, coating and parent composite structures is developed. Computational studies of the effect of the scarf angle, thickness of the adhesive layer and the availability of voids in the adhesive on the stress ...

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  • Structural repair of wind turbine blades:

    Their topics include different aspects of the interaction of light with materials, optical properties of materials in laser-based processing, the effect on machining of a laser beam's state of polarization, powder-based three dimensional printing, laser interference lithography, radiation exposure and laser goggle selection, and trends in next ...

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  • Definition Structure and Composition Matrices

    2013-10-22 · Definition Composite materials are made from two or more distinct materials. The properties of the composite ... chains that fixes the polymer in a three-dimensional array, limiting the motion considerably. ... Metal matrices are used in car engines and turbine blades. However, due to their

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  • 3D printing of biomedically relevant polymer

    2021-4-26 · Abstract Research on polymer materials for additive manufacturing technology in biomedical applications is as promising as it is numerous, but biocompatibility of printable materials still remains a big challenge. Changes occurring during the 3D-printing processes itself may have adverse effects on the compatibility of the completed print. This prospective will put emphasis on the different ...

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  • Guided Bone Regeneration

    2012-9-3 · Dental implants are considered nowadays by most of patients and clinicians as the first line of treatment in restoring missing teeth. Over the last fifty years, advances in technology and pressure from media, made dental implant patients nowadays, not content with mere survival, but expecting high aesthetic and long term functional durability.

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  • Three-dimensional printing of stem cell-laden

    2012-11-21 · Here, we hypothesise that cell-laden hydrogels can be printed when submerged in perfluorotributylamine (C 12 F 27 N), a hydrophobic high-density fluid, and that these cells placed within three-dimensional constructs remain viable allowing for cell proliferation and production of extracellular matrix. Human mesenchymal stem cells and MG-63 cells ...

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  • Dental Impressions: Definition, Types, And Uses |

    Now let's see the various types of polymer materials used in additive manufacturing process and the method by which they are consolidated into a three-dimensional shape. For a more detailed description of the technologies behind computer technology and the …

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  • Additive Manufacturing/3D Printing: Introduction and ...

    2021-5-24 · Multiple approaches for realizing soft morphing materials today include three-dimensional and four-dimensional printing . Especially, the focus on soft matter shape morphing materials is due to its prevalence in nature, compatibility with users and potential for novel design [ 95 – 97 ].

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  • Topics in the mathematical design of materials ...

    The term “bio” means life and “mimesis” in Greek means imitate. Biomimetics is the field of study that attempts to design system and synthesize materials through biomimicry. Biomimetics can be defined as the study of the structure, formation, and function of biologically produced materials and also biological mechanisms and processes especially for the purpose of synthesizing similar ...

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  • Biomimetic dentistry Goswami S - J Oral Res Rev

    2020-11-30 · 1 INTRODUCTION. Recent advances in digital dentistry have paved the way for more innovative treatment and treatment planning strategies such as the use of computer‐aided design (CAD) technology in orthodontic practice (Cole et al., 2019).Digital technologies including intraoral digital scanners, three‐dimensional (3D) model scanners, and cone‐beam computed tomography have …

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  • Guided Bone Regeneration

    2012-9-3 · Dental implants are considered nowadays by most of patients and clinicians as the first line of treatment in restoring missing teeth. Over the last fifty years, advances in technology and pressure from media, made dental implant patients nowadays, not content with mere survival, but expecting high aesthetic and long term functional durability.

    Get Price
  • The Basics: Polymer Definition and Properties

    The simplest definition of a polymer is a useful chemical made of many repeating units. A polymer can be a three dimensional network (think of the repeating units linked together left and right, front and back, up and down) or two-dimensional network (think of the repeating units linked together left, right, up, and down in a sheet) or a one ...

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  • Biomimetic dentistry Goswami S - J Oral Res Rev

    The term “bio” means life and “mimesis” in Greek means imitate. Biomimetics is the field of study that attempts to design system and synthesize materials through biomimicry. Biomimetics can be defined as the study of the structure, formation, and function of biologically produced materials and also biological mechanisms and processes especially for the purpose of synthesizing similar ...

    Get Price
  • Introduction to Composite Materials

    2013-11-24 · 4 Structural Composite Materials composites, with an emphasis on continuous- fiber, high-performance polymer composites. 1.1 Isotropic, anisotropic, and Orthotropic Materials Materials can be classified as either isotropic or anisotropic. Isotropic materials have the same material properties in all directions, and normal

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  • 3D Printing Guide: Types of 3D Printers, Materials, and ...

    3D printing or additive manufacturing (AM) technologies create three-dimensional parts from computer-aided design (CAD) models by successively adding material layer by layer until physical part is created. While 3D printing technologies have been around since the 1980s, recent advances in machinery, materials, and software have made 3D printing ...

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  • Additive Manufacturing/3D Printing: Introduction and ...

    Now let's see the various types of polymer materials used in additive manufacturing process and the method by which they are consolidated into a three-dimensional shape. For a more detailed description of the technologies behind computer technology and the …

    Get Price
  • Dental Impressions: Definition, Types, And Uses |

    Materials 2011, 4, 1548-1563”, all estimates of T2* from the single voxel spectroscopy data were overestimated by a factor of 4. This was due to an incorrectly assumed four-fold lower sampling ...

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  • Dental Composites: A Review

    Dental composite resins are widely used in dental practice and are continually being developed in order to obtain better products. To gain full benefit from these materials, it is important for the clinician to understand their properties. The following is a review of the more

    Get Price
  • Materials for sustainable turbine engine development

    Materials such as polymer-matrix composites, titanium alloys, wrought nickel and cobalt superalloys, and both equiaxed and single-crystal cast superalloys have all found applications in engines. In addition, each of these new material classifications has a range of associated compositions.

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  • Additive Manufacturing/3D Printing: Introduction and ...

    Now let's see the various types of polymer materials used in additive manufacturing process and the method by which they are consolidated into a three-dimensional shape. For a more detailed description of the technologies behind computer technology and the …

    Get Price
  • Introduction to Composite Materials

    2013-11-24 · 4 Structural Composite Materials composites, with an emphasis on continuous- fiber, high-performance polymer composites. 1.1 Isotropic, anisotropic, and Orthotropic Materials Materials can be classified as either isotropic or anisotropic. Isotropic materials have the same material properties in all directions, and normal

    Get Price
  • Biomaterials generations - University of Babylon

    2015-12-15 · The third-generation biomaterials used bioactive and bioresorbable materials as temporary three-dimensional porous structures which are able to activate genes that stimulate regeneration of living tissue. For these biomaterials, the bioactivity and biodegradability concepts are combined, so the combination of bioactivity and

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  • Biomimetic dentistry Goswami S - J Oral Res Rev

    The term “bio” means life and “mimesis” in Greek means imitate. Biomimetics is the field of study that attempts to design system and synthesize materials through biomimicry. Biomimetics can be defined as the study of the structure, formation, and function of biologically produced materials and also biological mechanisms and processes especially for the purpose of synthesizing similar ...

    Get Price
  • COMPOSITE MATERIALS AND STRUCTURES

    2006-5-9 · A higher proportion of unsaturated acid in the backbone polymer yields a more reactive resin, while with a higher quantity of saturated acid the reaction becomes less exothermic. During curing, the styrene monomer reacts with the unsaturated sites of the backbone polymer to form a three-dimensional cross-linked network.

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  • Impression materials for complete denture

    Articulator. is a dental laboratory device that simulates the movement of mandible and the temporomandibular joint when models of dental arches are attached. Monomer. a molecule that when combined with others forms a polymer. Slurry. is a mixture …

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