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  • Three-Dimensional Inclination of the Dental ... - Allen

    2001-8-1 · The 3-dimensional arrangement of teeth in a normal, healthy human dentition follows some general rules. For instance, the occlusal surfaces of teeth in the mandibular arch have been described as tangent to a 100-mm (or 4-inch) sphere, which was first described by Monson about 80 years ago.1 This global spatial disposition, which also has recently been measured in different age groups,2,3 ...

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  • Aims Press-Three-dimensional mandibular motion

    2020-8-28 · The aim of this study was to develop a prototype three-dimensional optical motion capture system based on binocular stereo vision, Back-propagation (BP) Neural Network and 3D compen-sation method for accurate and real-time recording of mandibular movement. A specialized 3D method of compensation to eliminate the involuntary vibration motions by human heart beating and respiration.

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  • (PDF) Development of three-dimensional patient face

    Development of three-dimensional patient face model that enables real-time collision detection and cutting operation for a dental simulator Dental Materials Journal, 2012 Satoshi Yamaguchi

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  • 3D printed Vertical Axis Wind Turbine (VAWT) model

    Conventional methods for assessing the dimensional stability of impression materials are two-dimensional (2D), and assess shrinkage or expansion between selected fixed points on the impression. In this study, dimensional changes in four impression materials were assessed using an established 2D and an experimental three-dimensional (3D) technique.

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  • Two- and three-dimensional accuracy of dental

    2019-12-14 · RESULTS: The three-dimensional changes in condylar position were insignificant after surgical-orthodontic treatment in either group (P > 0.05).However, in the one-jaw surgery group, there were significant backward rotations of the condyle and ramus on the nondeviated side (P < 0.05), and the condyle on the deviated side rotated inward and forward significantly in the two-jaw surgery group (P ...

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  • Three-dimensional evaluation of skeletal and dental ...

    2020-9-3 · Tokyo, Japan –Heart development as it happens in vivo, or in a living organism, is a complex process that has traditionally been difficult to mimic in vitro, or in the laboratory.In a new study, researchers from Tokyo Medical and Dental University (TMDU) developed three-dimensional functional heart organoids from mouse embryonic stem cells that closely resemble the developing heart.

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  • Generation of three-dimensional heart

    2021-4-30 · The aims of this study were to perform a three-dimensional analysis of the craniofacial area, in particular, the temporal bone and to examine the morphological relationship between the temporal bone and asymmetry of the mandible in subjects with mandibular prognathism and facial asymmetry.

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  • Three‐dimensional analysis of the temporal bone and ...

    2021-6-1 · The two-dimensional simulations showed that for a turbine spacing of 1.2D, the power coefficient was 15% higher for both turbines. Additionally, the three-dimensional simulations found an increase of at least 8%. Finally, Brownstein et al. conducted experiments of a pair of 5-bladed VAWTs in an open circuit, subsonic wind tunnel.

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  • Palatal surface and volume in mouth-breathing

    Palatal surface and volume in mouth-breathing subjects evaluated with three-dimensional analysis of digital dental casts-a controlled study. Lione R(1), Franchi L(2), Huanca Ghislanzoni LT(3), Primozic J(4), Buongiorno M(5), Cozza P(1).

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  • Automated syndrome diagnosis by three-dimensional

    2020-6-1 · Methods. We analyzed variation in three-dimensional (3D) facial images of 7057 subjects: 3327 with 396 different syndromes, 727 of their relatives, and 3003 unrelated, unaffected subjects. We ...

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  • Influence of Surface Roughness on Three-Dimensional ...

    2004-12-29 · Surface roughness on a stator blade was found to have a major effect on the three-dimensional (3D) separation at the hub of a single-stage low-speed axial compressor. The change in the separation with roughness worsened performance of the stage.

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  • Accuracy of Three‐Dimensional Printed Templates for

    2015-4-28 · Additionally, digital templates (D‐temp) using the identical planning data sets and software were virtually designed and three‐dimensional printed, after matching a surface scan with CBCT data. The accuracy of both templates for each planning was evaluated determining the estimated coronal, apical, and angular deviation if templates were ...

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  • Numerical investigation of the three-dimensional ...

    2012-5-17 · Asymptotic model for generation of three-dimensional vortex structures in a boundary layer Journal of Applied Mechanics and Technical Physics, Vol. 36, No. 2 Direct numerical simulation of boundary layer transition on a heated flat plate with elevated freestream turbulence

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  • Topics | MORITA

    Morita’s dental CBCT is an examination unit enabling the three-dimensional observation and diagnosis of hard tissue in the dental field. It is developed with the concepts of high definition, low dose, small radiation field (FOV selectable), and space-saving… Read more

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  • Brian W Darvell | University of Birmingham -

    Brian W Darvell. Following my departure from The University of Hong Kong, in June 2009, after nearly 29 years, I took up a position in the Faculty of Dentistry, Kuwait University, from September 2009 - 2014. Now with an honorary position at the University of Birmingham, I am still active. Feedback of any kind or level of detail - positive or ...

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  • Wake meandering statistics of a model wind turbine ...

    2016-8-16 · Wind tunnel measurements in the wake of an axial flow miniature wind turbine provide evidence of large-scale motions characteristic of wake meandering [Howard et al., Phys. Fluids 27, 075103 (2015)].A numerical investigation of the wake, using immersed boundary large eddy simulations able to account for all geometrical details of the model wind turbine, is presented here to elucidate the three ...

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  • 3D printed Vertical Axis Wind Turbine (VAWT) model

    2021-6-30 · Three.js – JavaScript 3D Library ... submit project

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  • Press - Auro-3D Auro Technologies : Three

    2019-9-4 · Mol, Belgium & Munster, Germany – September 4, 2019 – Auro Technologies have this week announced a multi-picture deal together with Turbine, a German-based home video distributor. The deal furthers Auro Technologies commitment to delivering more content to the market, supporting local language content and further developing the market presence of Auro-3D®️ in Home Entertainment.

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  • (PDF) Numerical Investigation of Three-Dimensional ...

    Numerical investigation of the three-dimensional secondary instabilities in the time-developing compressible mixing layer By Leandro Souza Numerical investigation of three-dimensional flow over a swept backward-facing step using a multi-scale turbulence model

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  • A two and three-dimensional CFD investigation into ...

    2018-5-24 · , “ Three dimensional numerical simulations of a straight-bladed vertical axis tidal turbine,” in 18th Australasian Fluid Mechanics Conference, USB (2012), pp. …

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  • A Three-Dimensional Computational Study of

    2014-9-30 · Although this is of great value in showing how pulsating flow will affect the performance of the double entry turbine, the level of detail with which this can be studied is limited. This paper is the first to use a three-dimensional computational analysis to study the flow structures within a double entry turbine under conditions of pulsating flow.

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  • Three-dimensional positional accuracy of intraoral and ...

    2021-4-7 · Three-dimensional positional accuracy of intraoral and laboratory implant scan bodies. ... Most scan body systems are made up of metal, polymers, or a combination of materials. Polyetheretherketone (PEEK) is a semicrystalline structure with properties that vary depending on the manufacturing temperature. ... These include the accuracy of ...

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  • Three‐dimensional ultrastructural analysis and ...

    2018-7-23 · Shingo Hirashima, Tomonoshin Kanazawa, Keisuke Ohta, Kei-ichiro Nakamura, Three-dimensional ultrastructural imaging and quantitative analysis of the periodontal ligament, Anatomical Science International, 10.1007/s12565-019-00502-5, (2019).

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  • Three-dimensional structure of calmodulin | Nature

    The three-dimensional structure of calmodulin has been determined crystallographically at 3.0 Å resolution. The molecule consists of two globular lobes connected by a long exposed α-helix. Each ...

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  • 3M™ Trizact™ Cloth Belt 237AA

    3M™ Trizact™ Cloth Belt 237AA uses proprietary microreplication technology by 3M where micron-graded aluminum oxide particles are formed into tiny pyramids of abrasive mineral and then coated on an X weight cloth backing. As these pyramids wear, fresh, sharp mineral is continually exposed to produce a consistent cut and a predictable, fine finish.

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  • Evaluation of Stress Distribution in Tooth‐Supported

    2020-1-23 · Purpose. To evaluate the influence of the framework designs on the stress distribution within tooth‐supported partially veneered fixed dental prostheses (FDPs) made of translucent zirconia under simulated loads using a three‐dimensional finite element analysis (3D‐FEA).

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  • Nature Communications

    Nature Communications is an open access journal that publishes high-quality research in biology, health, physics, chemistry, Earth sciences, and all related areas.

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  • Russia Tests 3D Printed Turbine Engine - Communal

    2020-9-18 · Russia Tests 3D Printed Turbine Engine. “Russia has for the first time conducted flight tests of the MGTD-20 gas turbine engine made by 3D-printing.”. The production time of the main engine elements was reduced up to 20 times, while the cost of organizing production was reduced twice. The bureau had its share of problems as well.

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  • Dentafab's PowerResins cleared for 3D printing

    2021-6-20 · The all-rounder Sega system, for instance, houses a 120 x 68 mm build volume, and is capable of 3D printing at speeds of 90 mm/hour and at a precision of 50 microns, while the Vega is …

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  • Teeth: What Radiologists Should Know | RadioGraphics

    2012-11-1 · Dental and periodontal disease have also been linked to cardiovascular and systemic inflammatory disease, making identification important for early treatment (3–5,6).Both multidetector and cone-beam CT are able to generate three-dimensional (3D) image volumes of the oral cavity.

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  • Aspects of Computer Simulation of Liquid-Fueled

    2012-5-23 · A three-dimensional numerical study of the combustion of coal blends in blast furnace Fuel, Vol. 88, No. 2 On Heavy Particle Dispersion in Turbulent Shear Flows: 3-D Analysis of the Effects of Crossing Trajectories

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  • Additive Manufacturing - Roland Berger

    2021-6-28 · Using additive manufacturing technology, three-dimensional solid objects of virtually any shape can be made from a digital model Definition > Additive manufacturing (AM) is a process of making a three-dimensional solid object of virtually any shape from a digital model > AM uses an additive process, where materials are applied in successive layers

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  • Sonic and ultrasonic scalers in periodontal treatment:

    2007-1-23 · Sonic scalers are air-turbine units that operate at low frequencies ranging between 3000 and 8000 cycles per second (Cps). Tip movement and the effect of root surfaces can vary significantly depending on the shape of the tip and type of the sonic scaler. In general, tip movement is orbital .

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  • Autoclavable dental handpiece with disposable high

    1996-4-29 · The turbine 501 shown in FIGS. 23-25 is somewhat similar to the turbine 95 shown in FIG. 12. The turbine 501 includes a turbine body 503 with turbine blades 505 extending therefrom. The turbine blades 505 are centered generally along the length of the turbine body 503, and the body 503 defines upper and lower bosses 507a and 507b.

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  • Asia-Pacific: Manufacturing the Future | Features | Feb ...

    A method of creating real three-dimensional models by using lasers driven by CAD software. In contrast to the normal practice of removing material, this process polymerizes a liquid to quickly produce shapes that are untouched by human hands or cutting tools. Also known as three-dimensional imaging and three-dimensional modeling.

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  • Applied Sciences | An Open Access Journal from MDPI

    Applied Sciences is an international, peer-reviewed, open access journal on all aspects of applied natural sciences published semimonthly online by MDPI.. Open Access — free for readers, with article processing charges (APC) paid by authors or their institutions.; High Visibility: indexed within Scopus, SCIE (Web of Science), Inspec, CAPlus SciFinder, and many other databases.

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  • The Day the Dinosaurs Died | The New Yorker

    2019-3-29 · Most fossils end up being squashed flat by the pressure of the overlying stone, but here everything was three-dimensional, including the fish, having been …

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  • 3-Dimensional Dental Scanner: Assuring Healthy Smiles

    2014-9-18 · Direct Constrained Computational Fluid Dynamics Based Optimization of Three-Dimensional Blading for the Exit Stage of a Large Power Steam Turbine J. Eng. Gas Turbines Power (January,2003) Effects of Wind Turbine Starting Capability on Energy Yield

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  • ProJet MJP Wax Investment Casting Patterns Let

    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 the interactions of ...

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  • Analysis of the Effect of a Slotted Flap Mechanism on

    2019-1-15 · Ramakrishnan, KR, Singh, P, & Ekkad, SV. 'Three-Tier Impingement Cooling Design for Gas Turbine Blade Trailing Edge.' Proceedings of the ASME 2018 International Mechanical Engineering Congress and Exposition. Volume 8B: Heat Transfer and Thermal Engineering. Pittsburgh, Pennsylvania, USA. November 9–15, 2018. V08BT10A030. ASME.

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  • Operative Dentistry and the Abuse of Dental ... - Allen

    The two-dimensional prediction method of Bradshaw, Ferriss & Atwell (1967), which was based on the empirical conversion of the turbulent energy equation into a ‘transport’ equation for shear stress, is extended to three-dimensional flows satisfying the boundary-layer approximation (which excludes flows near bluff obstacles or streamwise ...

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  • Three-Tier Impingement Cooling Design for Gas

    2021-3-22 · An introduction to Additive Manufacturing. by Nessan Cleary | 22/03/2021. Nessan Cleary offers a short introduction to 3D printing as well as detailing the many different types of 3D printers currently available. The term ‘3D printing’ is a bit misleading as there’s not much in the way of printing, at least not in the way that anyone from ...

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  • Calculation of three-dimensional turbulent boundary

    Three dimensional printing material system WO2008077850A2 (en) * 2006-12-21: 2008-07-03: Agfa Graphics Nv: 3d-inkjet printing methods US8167999B2 (en) 2007-01-10: 2012-05-01: 3D Systems, Inc. Three-dimensional printing material system with improved color, article performance, and ease of use

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  • University of Glasgow - Schools - Dental School - Our ...

    2018-10-23 · The objective of this study was to evaluate the effect of two photoactivation modes of dental LED light-curing unit (LCUs) (conventional and “Soft Start” mode) on surface texture parameters of two dental resin-based nanocomposites. LED LCUs were considered as standard light-curing devices in contemporary dental practice.

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