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  • Introduction of a new teaching concept for dentin post ...

    The purpose of this study was the design, feasibility and evaluation of a three-dimensional (3D) printed tooth model for the pre-clinical teaching of students. Materials and methods: A printable tooth was designed and printed by a stereolithographic printer. A total of 48 fourth-year dental students in the first clinical course in ...

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  • Introduction of a new teaching concept for dentin post ...

    pose of this study was the design, feasibility and evaluation of a three-dimensional (3D) printed tooth model for the pre-clinical teaching of students. Materials and methods: A printable tooth was designed and printed by a stereolitho-graphic printer. A total of 48 fourth-year dental students in the first clinical course

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  • (PDF) Accuracy of three-dimensional printing for ...

    2008-9-22 · Now Israeli company Tactile Technologies has developed a robotic dental drill to assist dentists in inserting implants. The company’s Website states, “Recent technological advances in composite materials, three-dimensional radiographic imaging and miniaturized robotic control are now changing the dental landscape.” Take that, tooth worms.

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  • Drilling for a Century | Proto Magazine

    2020-2-19 · A dental technician’s work assumes a new dimension with the EASY view 3D: The ergonomic design enables a sustained natural and healthy posture. This enhances the users’ well-being and performance. The flexible boom arm can be adjusted to any work situation and object. The monitor has been especially developed for system compat-

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  • making work easy 1 - Renfert

    Novel bio-inspired synthetic composite materials as promising scaffolds for stem cell-mediated tissue regeneration supporting short term self-renewal of …

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  • Nora BLOISE | Postdoctoral researcher | PhD | University ...

    2021-3-23 · Three dimensional microstructure simulation of Ni-based superalloy investment castings. SCIENCE CHINA: Physics, Mechanics & Astronomy, 2011, 54 (5): 851-855 10. Dong Pan, Qingyan Xu, Baicheng Liu. Numerical Simulation of Grain Selection Behavior of

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  • Materials | An Open Access Journal from MDPI

    2021-5-19 · Multiscale Modeling and Simulation of Directional Solidification Process of Turbine Blade Casting with MCA Method. Metallurgical and Materials Transactions B, 2013, 1-7 DOI 10.1007/s11663-013-9909-6 5. SHI Yu-feng, XU Qing-yan, LIU Bai-cheng. Simulation

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  • 30 questions with answers in PRINTING, THREE

    We performed a three-dimensional (3D) analysis of ferrite grains recrystallized in low-carbon steel during annealing. Cold-rolled specimens were heated to 723 K and held for various periods. The 3D morphology of ferrite grains recrystallized during the annealing process was investigated.

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  • Analysis of turbine blades using a rapid three-dimensional ...

    A new fast-curing photoelastic material formulation is presented that, when used with recommended curing and loading cycles, reduces the time needed to obtain three-dimensional stress results to the order of a week or less. The new formulation allows models to be cast to shape (replicated from a prototype) rather than machined. This is a major factor in the reduction of time.

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  • A preliminary study on a tooth preparation robot

    2021-4-9 · The CAD three-dimensional data of isolated natural teeth before preparation were imported into a custo-mised digital control software. The three-dimensional data of the tooth tissue to be removed was obtained using Boolean operations, and the single depth of abla-tion of the natural teeth was obtained. A total of 500

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  • making work easy 1 - Renfert

    2020-2-19 · dental practice, patients and specialists 4 Creation of photos and video sequences Optimum assessment of object structures in 3D mode The EASY view 3D’s three-dimensional mode enables easy hand-eye coordination and a natural working position. Its three-dimensional spatial representation is perfect for critically examining work objects.

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  • Australian Dental Journal - Wiley

    than with the use of air turbine or syringe systems for hard tissue dental treatment and oral surgery, such as tooth extraction, restorative treatment, or endodontic treatment. Dental lasers use a compressed air stream for cool-ing the operative site and supply the air at the rate of 6 to 9 L/min.7 The Er:YAG laser manual suggests that

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  • A new method for generating ceramic restorations: a CAD ...

    The CAD-CAM CEREC system is a small, complex unit developed for electronically designing and milling ceramic restorations. The system makes it possible to generate a restoration without taking impressions, developing temporary prostheses, and without laboratory assistance. The entire restorative pro …

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  • Optomechatronics | TNO

    2021-7-23 · TNO’s optomechatronics expertise is applied in three markets: TNO has an excellent track record in space-based imaging spectrometers, mechanisms and the associated calibration equipment. Multiple instruments were successfully launched on board satellites and are still in orbit and in operation today. TNO develops modules and equipment for the ...

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  • The evolution of the CEREC system - ScienceDirect

    2006-9-1 · The CEREC three-dimensional software is much more illustrative than the previous versions and makes the handling of the system intuitive and easy. The 2005 and 2006 versions include the automatic adjustment of a selected digital full-crown anatomy to the individual preparation, to the proximal contacts and to the occlusion (a feature called the ...

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  • Materials | An Open Access Journal from MDPI

    Materials is a peer-reviewed, open access journal of materials science and engineering published semimonthly online by MDPI.The Portuguese Materials Society (SPM), Spanish Materials Society (SOCIEMAT) and Manufacturing Engineering Society (MES) are affiliated with Materials and their members receive a discount on the article processing charges.. Open Access — free for readers, …

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  • A Machining Science Approach to Dental Cutting of Glass ...

    The dental cutting was conducted on a two-dimensional computer-assisted apparatus to simulate clinical cutting operations using a high-speed electric handpiece (Ti95L, NSK, Japan), which can be run at the maximum rotational speed of 200 krpm. Figure 1(a) shows the image of cutting a ceramic using a dental handpiece and a bur.

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  • A Hydrogel-Mineral Composite Scaffold for Osteochondral ...

    2011-11-4 · Three-dimensional Bioprinting for Bone and Cartilage Restoration in Orthopaedic Surgery Journal of the American Academy of Orthopaedic Surgeons, Vol. 27, No. 5 Osteochondral Differentiation of Fluorescent Multireporter Cells on Zonally-Organized Biomaterials

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  • Additive manufacturing of biomaterials

    Crack free three-dimensional geometries were prepared with different laser processing parameters. The bioactivity of SLS processed bioglass was also unchanged by showing the apatite formation. Tesavibul et al. a vat polymerization method using 43% of 45S5 bioglass and acrylate-based photoactive polymer for of making porous cellular structures ...

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  • Evaluation of low-contrast perceptibility in dental ...

    2015-2-19 · Resin composite step wedges (six steps, each 1-mm thick) were custom manufactured from three materials, respectively: (M1) Filtek™ Z350 (3M/ESPE, Saint Paul, MN); (M2) Prisma AP.H™ (Dentsply International Inc., Brazil) and (M3) Glacier ® (SDI Limited, Victoria, Australia). Each step of the manufactured wedge received three standardized drillings of different diameters and …

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  • A Hydrogel-Mineral Composite Scaffold for Osteochondral ...

    2011-11-4 · Three-dimensional Bioprinting for Bone and Cartilage Restoration in Orthopaedic Surgery Journal of the American Academy of Orthopaedic Surgeons, Vol. 27, No. 5 Osteochondral Differentiation of Fluorescent Multireporter Cells on Zonally-Organized Biomaterials

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  • Operative Dentistry and the Abuse of Dental Hard Tissues ...

    2008-3-1 · We reviewed studies wherein the cutting of dental tissues, simulating interactions that would occur under clinical circumstances in the mouth, have been observed directly–first by real time, video rate, stereoscopic, three-dimensional scanning electron microscopy; and second and more conveniently, by video rate confocal optical microscopy.We have observed, directly, both …

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  • GINGIVAL RETRACTION - TECHNIQUES AND MATERIALS:

    2010-12-31 · Rotary curettage involves the use of a high-speed turbine to cut the gingival tissue quickly and create a trough around the margins. It helps to reduce the excessive tissue and can also help to contour the gingival outline. For healthy, disease-free tissue around natural teeth, rotary curettage has little effect on gingival margin heights.

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  • Research Dirk Van Dyck | Dirk Van Dyck | University of

    2012-1-7 · The aim of the project is to realize a breakthrough toward quantitative atomic resolution electron tomography in order to measure the local, three-dimensional structure of aperiodic materials as precisely as possible. For the validation of theoretical models, a precision of the atom positions of the order of 0.01 to 0.001 nm is required.

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  • Frontiers of Additive Manufacturing Research and Education

    2014-5-1 · Additive manufacturing (AM), the process of joining materials to make objects from three-dimensional (3D) model data, usually layer by layer, is distinctly different from and has many advantages over traditional manufacturing processes. For example, customized and personalized

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  • A Hydrogel-Mineral Composite Scaffold for Osteochondral ...

    2019-9-9 · Three Dimensional Graphene Foam/Polymer Hybrid as a High Strength Biocompatible Scaffold 20 May 2015 | Advanced Functional Materials, Vol. 25, No. 25 Marine Polysaccharides from Algae with Potential Biomedical Applications

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  • Nanotechnology Conferences | Nanomaterials Conferences ...

    2021-6-17 · Global Conference on Nanotechnology and Nanomaterials, 'the 2nd year of the international conference” held during June 17-18 at Berlin, brings together the leading academic and industry scientists, engineers, clinicians, entrepreneurs, visitors, researchers and exhibitions.This NANO Intellects 2021 is the international platform that brings together the …

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  • Lesson Plans - Science Buddies

    Lesson Plans. (200 results) Free science lesson plans designed to engage students through hands-on experiments and activities. Chemistry, life sciences, physics, engineering and more, for elementary, middle and high school teachers. Select a resource.

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  • Dental Chair Package, ZC-S400 | JOINCHAMP

    2021-7-10 · S400 2020 type dental chair package is designed with simple and elegant style. Its streamlined shape highlights the three-dimensional beauty. Classic and modern color matching meets your individual needs.

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  • A Numerical Study on Performance of Dental Air Turbine ...

    2017-9-1 · Dental air turbine handpiece has evolved significantly over the years and it remains a vital part of dentistry today. It has been widely used in clinical dentistry as the main cutting tool for more than 50 years [1]. The handpiece is a standard instrument in dentistry that is used to remove carries, cavity preparation, tooth tissue grinding and ...

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  • Research Dirk Van Dyck | Dirk Van Dyck | University of

    2012-1-7 · The aim of the project is to realize a breakthrough toward quantitative atomic resolution electron tomography in order to measure the local, three-dimensional structure of aperiodic materials as precisely as possible. For the validation of theoretical models, a precision of the atom positions of the order of 0.01 to 0.001 nm is required.

    Get Price
  • Design Equations for Mixed-Mode Fracture of Dental

    2021-5-12 · The developed design equations provide practical guidance for determining interfacial fracture toughness of selected dental ceramic material systems. Those equations take into account four critical factors: size of the elliptical flaw, modulus ratio of constituent materials, loading angle, and applied load.

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  • ceramitec conference program and speaker

    From raw materials to process technology to industrial applications in the automotive, aerospace, electrical, dental and medical engineering industries – the ceramitec conference will highlight the latest trends of the ceramics industry and a multitude of application possibilities.

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  • Frontiers of Additive Manufacturing Research and Education

    2014-5-1 · Additive manufacturing (AM), the process of joining materials to make objects from three-dimensional (3D) model data, usually layer by layer, is distinctly different from and has many advantages over traditional manufacturing processes. For example, customized and personalized

    Get Price
  • Study of Surface Structure Changes for Selected Ceramics ...

    2019-6-12 · In the article has been presented an analysis of susceptibility of selected dental materials, made in the CAD/CAM technology. The morphology and structural properties of selected dental materials and their composites were determined by using XRPD (X-ray powder diffraction) techniques, as well as the IR (infrared) spectroscopy. Moreover, an adhesion as well as …

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  • Carbon Nanofibers Reinforced Ceramic Matrix Composites

    2018-9-25 · materials of ceramic matrices and provides the information about the ongoing effort in combining these materials with ca rbon nanofibers and nanotubes. 2.1 Aluminium oxide Aluminium oxide (Al 2O 3), commonly referred to as alumina, is the most cost effective and widely used material in the family of engi neering ceramics. The raw materials from ...

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  • Nanotechnology Conferences | Nanomaterials Conferences ...

    2021-6-17 · Global Conference on Nanotechnology and Nanomaterials, 'the 2nd year of the international conference” held during June 17-18 at Berlin, brings together the leading academic and industry scientists, engineers, clinicians, entrepreneurs, visitors, researchers and exhibitions.This NANO Intellects 2021 is the international platform that brings together the …

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  • Dentine caries excavation: a review of current clinical ...

    2000-5-13 · Since the invention and application of rotary instruments, the operative treatment of carious lesions has often resulted in considerable removal …

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  • Woodpecker Dental Products at Best Price Online ...

    Buy Woodpecker Dental Products. Woodpecker, the biggest ultrasonic scaler manufacturer, owns a maximal production and consumption of ultrasonic scaler in the world.The export volume of LED curing light is also in the leading position. In the past 26 years, Woodpecker has been focused on researching, developing, selling dental equipment.

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  • Journal of Materials Chemistry B - pubs.rsc.org

    cially in dental and orthopaedic elds. However, questions relating to the long term effect of silica,5 and the slow degrada-tion of these glasses, taking one to two years to disappear from the body,6 have prompted a search for more benign materials. An …

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  • 3D Metallic Turbine Logo | BrandCrowd Logo Maker

    3D Metallic Turbine Logo Designer's description. This logo design is perfect if you need web logos, software logos, application logos or technology logos. Start editing this 3D Metallic Turbine logo for your business or team. Tags that describe this logo:

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  • MEEN - Texas A&M Catalogs < Texas A&M Catalogs

    2021-7-5 · MEEN 645 Mechanics of Compliant Materials. Credits 3. 3 Lecture Hours. Introduction to mechanics; three-dimensional analysis tools and techniques needed to model the linear behavior of fluids and solids in their response to imposed loads and deformations. Prerequisites: Grade of C or better in CVEN 305, MEEN 368, or equivalent.

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  • Dr Hany Hassanin - University of Birmingham

    Hany has been a Research Fellow within the Advanced Materials and Processing Laboratory (AMPLab) in the Schoolof Metallurgy and Materials, University of Birmingham, since 2012. Before joining AMPLab, he worked on an industrial project entitled 'Net Shape Manufacturing of Ceramic Micro Gas Turbine' in the School of Mechanical Engineering's Micro ...

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  • Professor Robert J K Wood | Engineering | University of ...

    2014-5-27 · Objectives It is well accepted that stage-specific embryonic antigen (SSEA)-4 is an antigen that is useful to isolate adult stem cells analogous to embryonic stem cells. Therefore, in the present study, we investigated whether SSEA-4 can also be used as a marker to identify human deciduous dental pulp (D-DP) stem cells. Materials and methods Intact deciduous teeth were collected from healthy …

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  • Isolation and characterization of SSEA-4-positive ...

    RESIN SYSTEMS FOR DENTAL RESTORATIVE MATERIALS: October, 2009: Bowman et al. 20070238803: Dental Composition Containing Si-H Functional Carbosilane Components: October, 2007: Bissinger et al. 20070241482: Production of three-dimensional objects by use of electromagnetic radiation: October, 2007: Giller et al. 20080139687

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  • DENTAL COMPOSITE RESIN FOR CORE BUILD-UP - GC

    (f) three-dimensional construction for industrial components. Each of the main topics focuses on more specific applications, such as calculating crack growth and predicting the residual strength of aircraft structures, finite element analysis including non-linear analysis, bending analysis and testing of thin wall structures, and experimental ...

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  • Website KK – Fakultas Teknik Mesin dan Dirgantara – ITB

    2021-3-24 · 2.8 Three dimensional linear constitutive equation 2.9 Aging materials 2.10 Dielectric and other relaxation 2.11 Adaptive and 'smart' materials 2.12 Effect of nonlinearity Nonlinear superposition. Quasilinear viscoelasticity (QLV) Constitutive equations; interrelation between creep and relaxation; single integral and multiple integral models

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