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  • Three-dimensional dental model analysis of treatment ...

    Results: Three-dimensional analysis of the maxillary dental models in the buccopalatal, anteroposterior, and vertical directions showed significant differences in tooth movements between the headgear and the mini-implant (miniscrew or miniplate) groups. Both skeletal anchorage groups had greater incisor retraction (6.9 mm for the miniscrew, 7.3 ...

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  • Three-Dimensional Inviscid Analysis of Radial Turbine

    2020-8-6 · code to a radial turbine geometry is also discussed. INTRODUCTION. The radial-inflow turbine continues to be a candidate configuration for many small size applications ranging from ground transportation to space power. The rotor passages are highly three-dimensional and have low aspect ratios compared with axial turbines.

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  • Three-Dimensional Finite Element Analysis of Stress ...

    Three-Dimensional Finite Element Analysis of Stress Distribution in Zirconia and Titanium Dental Implants J Oral Implantol. 2018 Dec;44(6):409-415. doi: 10.1563/aaid-joi-D-16-00109. Epub 2018 May 15. Authors Camilo Andres ...

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  • Three dimensional flow at the junction between a

    A visualization of the flow on the suction side and end-wall of a passage between two neighboring turbine blades is compared with mass (heat) transfer measurements on the same surfaces. Besides the horseshoe and passage vortices, there are several smaller vortices formed near the junction of blade and end-wall whose origins are discussed. The vortices detach from the end-wall and move up the ...

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  • Three-dimensional unsteady aerodynamics of a H

    2020-11-1 · The impact of the Reynolds number on the performance and on the 2D wake is also investigated. Finally the analysis of the three-dimensional performance of the turbine rotor is presented, alongside with the three-dimensional wake development and eventually of the tip vortex dynamics. 2. Turbine layout and basic computational flow model

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  • Three-dimensional mandibular dental changes with

    Introduction: This study aimed to evaluate the 3-dimensional (3D) mandibular dental changes over 42 years using the registration of digital models. Methods: The sample comprised digital dental models of 8 untreated subjects (4 males and 4 females) with normal occlusion measured longitudinally at ages 17 years (T1) and 60 years (T2). ). Using 13 landmarks placed on the mucogingival junction, we ...

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  • 3M™ Particulate Respirator 8210, N95 160 EA/Case |

    It is a well-established fact that success of endodontic therapy depends on the main three factors: a. Cleaning and shaping b. Disinfection c. Three-dimensional obturation of the root canal system. As endodontists, our main goal should be to focus on the predictable elimination of microorganisms from the root canal system [1]. The success of the endodontic treatment is

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  • Emerging trends in endodontic irrigation - Dental Journal

    2021-3-5 · Three-Dimensional Performance Analysis of a Radial–Inflow Turbine for Ocean Thermal Energy Conversion Journal of Marine Science and Engineering ( IF 2.033) Pub Date : 2021-03-05, DOI: Yun Chen, Yanjun Liu, Li Zhang, Xiaowei Yang

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  • 3D Models, CAD Solids - 3D CAD Browser

    Download 3D Models for 3ds Max, Maya, Cinema 4D, Lightwave, Softimage, Blender, Solidworks, Inventor and other CAD 3D modeling and animation software.

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  • Oral Surgery & Implantology Complementaries

    2021-3-26 · Three-dimensional view of the same periimplant defect (occlusal view and vestibular view) Extra-crestal ... PERI-SET contains 2 types of disposable brushes, one with a pointed tip and one with open bristles, for a thorough cleaning of the surface. ... or with a turbine to carry out the resection and the first step of smoothing the portions of the

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  • 3D Models, CAD Solids - 3D CAD Browser

    Download 3D Models for 3ds Max, Maya, Cinema 4D, Lightwave, Softimage, Blender, Solidworks, Inventor and other CAD 3D modeling and animation software.

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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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  • dental x ray sensors | Treedental

    A system for generating three-dimensional objects by creating a cross-sectional pattern of the object to be formed at a selected surface of a fluid medium capable of altering its physical state in response to appropriate synergistic stimulation by impinging radiation, particle bombardment or chemical reaction, successive adjacent laminae, representing corresponding successive adjacent cross ...

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  • IOPscience

    2019-5-26 · At its Autoeuropa factory in Portugal, where it assembles 100,000 cars a year, Volkswagen has deployed a fleet of desktop three-dimensional printers made by the Dutch firm Ultimaker. Last year, the machines printed more than 1,000 plastic tools and fixtures Volkswagen needed around the plant. One example is a plastic jig that workers place over the wheel so they can tighten lug nuts without ...

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  • US4575330A - Apparatus for production of three

    Utensil holders for removing objects from dental-care utensils, preferably using one hand, comprising a base part designed to be placed on a substantially fixed surface, said base part having one or more first attachment members and each utensil being provided with a second attachment member. the first attachment member consists of a spring-loaded member which protrudes into a groove, and the ...

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  • 3-D printing: A tool for production | C&EN Global

    2021-6-2 · The Create the Future Design Contest was launched in 2002 by the publishers of NASA Tech Briefs magazine to help stimulate and reward engineering innovation. The annual event has attracted more than 8,000 product design ideas from engineers, entrepreneurs, and students worldwide.

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  • Takumi Sato - Three-dimensional measurement of

    In order to construct the skill acquisition method for a common treatment of dental caries, it is necessary to prepare quantitative guidelines for Dental students.

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  • In this study, measurement and analysis for the movements of fingers and turbine have been conducted during tooth removal and restoration process using three-dimensional motion capture.

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  • Three-dimensional effects and arm effects on

    2010-10-1 · Firstly, we compare the power coefficients obtained by using the numerical models (both two-dimensional and three-dimensional) with the experimental results reported by Templin .The basic specifications of the turbine are that the turbine is a one-blade turbine, the blade type is NACA0015 (curved blade, the detailed curvature can be found in Templin ), the solidity (Nc/R, where N and c …

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  • Three dimensional tidal turbine array simulations using ...

    2018-1-16 · 1 1 Three dimensional tidal turbine array simulations using 2 OpenFOAM with dynamic mesh 3 Martin Nuernberg, *Longbin Tao 4 School of Marine Science and Technology, Newcastle University, Newcastle upon Tyne, 5 NE1 7RU, UK 6 Abstract 7 The flow field characteristics in the wake of an isolated tidal turbine and tidal turbine arrays 8 of up to four devices is investigated by numerical …

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  • Three-Dimensional Imaging - Dimensions of Dental

    2013-6-11 · Cone-beam computed tomography produces three-dimensional imaging of oral and maxillofacial structures. There are certain limitations to using CBCT, including a lack of clarity with some images. Also, many pathologies can still be detected through the use of conventional radiographs, thus reducing the need for CBCT imaging.

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  • Dimensional Accuracy of Dental Models for Three

    Previous studies on accuracy of three-dimensional (3D) printed model focused on full arch measurements at few points. The aim of this study was to examine the dimensional accuracy of 3D-printed models which were teeth-prepped for three-unit fixed prostheses, especially at margin and proximal contact areas. The prepped dental model was scanned with a desktop scanner.

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  • Three-dimensional unsteady stator-rotor interactions

    2021-2-15 · Since this study aims to investigate three-dimensional unsteady effects in a high-expansion ORC turbine, we perform two types of simulations: Q3D and fully 3D simulations. Note, to have a reasonable comparison, the grid topology and number of mesh cells from the Q3D mesh is also used for the 3D mesh at mid-span and then projected towards the ...

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  • Three-dimensional wind turbine simulation and analysis

    2020-10-13 · Three-dimensional wind turbine simulation and analysis by Jennifer Ann Cordero A thesis submitted to the graduate faculty in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE Major: Mechanical Engineering Major Professors: R. …

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  • dental chair dimensions | Treedental

    It normally takes 7-10 days for delivery. But you need to do the customs clearance at your airport and pick the goods up there. Sea Shipping is the lowest-cost way for big order, such as dental chair/dental unit order. It normally takes 30-60 days for delivery. But you need to do the customs clearance at your seaport and pick the goods up there.

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  • Symposium on Occlusal Articulation - Panadent

    2018-10-12 · shown in this close-up view of the clear plastic recording block. B. A frontal view shows the air turbine drill at the limit of left lateral movement. C. This superior view clearly shows the nature of the inward movement of the balancing side condyle (a) that occurs during the first few millimeters of downward and forward travel. After the

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  • Optimization of wind turbine yaw angles in a wind

    2020-10-15 · A novel three-dimensional yawed wake model and a strategy for optimizing the turbine yaw angles in a wind farm are explored to maximize the overall power output. The wake model is expected to be capable of predicting a wake velocity distribution with a non-centrosymmetric cross-sectional shape induced by a counter-rotating vortex pair [ 19 , 20 ...

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  • Three-dimensional dental topography and feeding

    2020-12-23 · Abstract. The cave bear ( Ursus spelaeus s.l .) was an iconic extinct bear that inhabited the Pleistocene of Eurasia. The cause of extinction of this species is unclear and to identify the actual factors, it is crucial to understand its feeding preferences. Here, we quantified the shape descriptor metrics in three-dimensional (3D) models of the ...

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  • Three dimensional resonant vibrations and stresses in ...

    2020-10-13 · 'Three dimensional resonant vibrations and stresses in turbine blade groups' (1981). Thesis. Rochester Institute of Technology. Accessed from This Thesis is brought to you for free and open access by RIT Scholar Works. It has been accepted for inclusion in

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  • Three-Dimensional Boundary Layer in a Turbine Blade

    2019-1-27 · Three-Dimensional Boundary Layer in a Turbine Blade Passage Stephen Lynch∗ Pennsylvania State University, University Park, Pennsylvania 16802 DOI: 10.2514/1.B36232

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  • Takumi Sato - Three-dimensional measurement of

    In order to construct the skill acquisition method for a common treatment of dental caries, it is necessary to prepare quantitative guidelines for Dental students.

    Get Price
  • In this study, measurement and analysis for the movements of fingers and turbine have been conducted during tooth removal and restoration process using three-dimensional motion capture.

    Get Price
  • Three-dimensional effects and arm effects on

    2010-10-1 · Firstly, we compare the power coefficients obtained by using the numerical models (both two-dimensional and three-dimensional) with the experimental results reported by Templin .The basic specifications of the turbine are that the turbine is a one-blade turbine, the blade type is NACA0015 (curved blade, the detailed curvature can be found in Templin ), the solidity (Nc/R, where N and c …

    Get Price
  • JMSE | Free Full-Text | Three-Dimensional

    Turbine is one of the key components of the ocean thermal energy conversion system (OTEC), and its aerodynamic performance and geometric dimension affect the performance of the system directly. This paper proposes a design method for the radial inflow turbine suitable for the ocean thermal energy conversion based on the parameter optimization of the ocean thermal energy conversion system.

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  • Numerical Investigation of Three-Dimensional

    2020-8-1 · Saxena G., Saha A.K., Gaur R. (2021) Numerical Investigation of Three-Dimensional Separation in Twisted Turbine Blade: The Influence of Endwall Boundary Layer State. In: Mistry C., Kumar S., Raghunandan B., Sivaramakrishna G. (eds) Proceedings of the National Aerospace Propulsion Conference. Lecture Notes in Mechanical Engineering.

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  • Three-Dimensional Wind Field Construction and Wind

    Three-dimensional urban wind field construction plays an important role not only in the analysis of pedestrian levels of comfort but also in the effectiveness of harnessing wind energy in an urban environment. However, it is challenging to accurately simulate urban wind flow due to the complex land use in urban environments. In this study, a three-dimensional numerical model was developed for ...

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  • 3-Dimensional numerical study of wave-induced

    2019-10-15 · In this paper, preliminary study is conducted on oscillatory wave-induced seabed response around three configuration cases of pile support foundations applying a 3-dimensional integrated numerical model to study and comparatively analyzed them. In the past, numerous studies have been conducted into exploring the wave-seabed-structure interaction (WSSI) mostly around monopile.

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  • Cross contamination in dentistry: A comprehensive

    2012-2-1 · The headings were shortlisted and reviewed for detailed examination. A comprehensive review to evaluate the methods of preventing cross contamination in dentistry involving various aspects and challenges encountered in a dental set up was constructed which was missing in …

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  • Three-dimensional Navier-Stokes simulations of

    2012-5-23 · Three-dimensional Navier-Stokes simulations of turbine rotor-stator interaction. Part I - Methodology. Man Mohan Rai; ... Quasi-three-dimensional calculation for the effect of axial gap variation on the performance of an advanced compressor stage. Gerald Micklow and ...

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  • Unsteady Three-Dimensional Turbine Aerodynamics |

    Unsteady Three-Dimensional Turbine Aerodynamics. GT1982. Three-Dimensional Blade Boundary Layer and Endwall Flow Development in the Nozzle Passage of a Single Stage Turbine. GT1996. Endwall Cavity Flow Effects on Gaspath Aerodynamics in an Axial Flow Turbine: Part I — Experimental and Numerical Investigation.

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  • Three-Dimensional Flow in an Axial Turbine: Part 1 ...

    2015-3-18 · This paper presents an exhaustive experimental documentation of the three–dimensional nature of the flow in a one–and–one–half stage axial turbine. The intent was to examine the flow within, and downstream of, both the stator and rotor airfoil rows so as …

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  • Three-dimensional dental topography and feeding

    2020-12-23 · Abstract. The cave bear ( Ursus spelaeus s.l .) was an iconic extinct bear that inhabited the Pleistocene of Eurasia. The cause of extinction of this species is unclear and to identify the actual factors, it is crucial to understand its feeding preferences. Here, we quantified the shape descriptor metrics in three-dimensional (3D) models of the ...

    Get Price
  • UNSTEADY AND THREE-DIMENSIONAL CFD SIMULATION

    2017-9-14 · wind turbine. Three different turbine placement positions at different heights are investigated to observe C p - λ curve sensitivity at various tip speed ratios. Position 1 and Position 2 are at the edge of the building, whereas position 3 is a few meters away from the edge, directed towards the geometric center of a building.

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  • THREE-DIMENSIONAL UNSTEADY FLOW IN

    BibTeX @MISC{Xiuquan06three-dimensionalunsteady, author = {Huang Xiuquan and How To Cite and Xiuquan Huang}, title = {THREE-DIMENSIONAL UNSTEADY FLOW IN OSCILLATING TURBINE BLADE ROW}, year = {2006}}

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  • Three‐dimensional turbulent boundary layer on wind

    2008-12-1 · Three‐dimensional turbulent boundary layer on wind turbine blades Three‐dimensional turbulent boundary layer on wind turbine blades Dumitrescu, Horia; Cardos, Vladimir 2008-12-01 00:00:00 The momentum integral technique for predicting the boundary–layer growth in three–dimensional flow has been extended to include the entrainment equation as the closure model.

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  • Three-Dimensional Modeling and Analysis for Runner

    In order to improve the design and the two-dimensional drawing identifying technology of freeform surface for the complicated components, such as turbine runner blades, based on the strong modeling technology of CAD/CAM and the software UG of CAD/CAM, detailed analyses three-dimensional modeling of turbine runner, then explain the design difficulties and three-dimensional effect of freeform ...

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  • Stage 3 | Prosthetic procedures Step 1 Impression-taking

    2021-6-22 · 18. Dental floss 19. Syringe with saline and blunt needle for irrigation 20. Disposable lip and cheek retractor 21. Stock impression trays 22. RN synOcta® Impression Post and RN/WN Bite Registration Aid 23. Soft wax 24. Straight handpiece and acrylic bur 25. Indelible pen 26. Heavy-bodied impression material dispenser Instrument set-up for ...

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  • E - Ultrasonic and Sonic Instrumentation Flashcards |

    _____: air turbine units. (utilize air pressure for power) Attaches to conventional dental unit. Some have fiber optic light. Operates at frequency of 2500-8000 cps (least powerful of all powered scalers). Cooled by water from the dental unit. Vibrating tip movement is elliptical . All sides of the tip are active.

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