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  • Optimum Design of the Dental Air-Turbine Handpiece

    2020-1-22 · An air-turbine and associated air supply tube was optimized as a dental air-turbine handpiece system. The system consists of an air-turbine with an impeller and a housing, and an air supply tube which supplies compressed-air to the air-turbine. The flow characteristics of the dental air-turbine handpiece system were investigated using ANSYS CFX.

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  • Dental high speed air turbine handpiece turbine 4

    2017-9-1 · Three impeller samples used in commercial dental turbines (as listed in table 1) have been selected to be modeled and utilized for simulation purposes. In order to achieve an accurate modeling, first of all, the turbine handpieces have been disassembled, and the impellers are 3D scanned using a digitizer apparatus (Renishaw Company, model ...

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  • A Numerical Study on Performance of Dental Air

    Its stainless steel 42 x 42 mm cushion-shaped case unveils a three-dimensional dial achieved by the... New Quick view. inicio Turbine FIRST CLASS. A3044/1. The sober and refined black, white or anthracite dials are housed in a distinctively fluted case, one of the Brand’s hallmarks. ... Perrelet enriches its ladies’ Diamond Flower line with ...

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  • Perrelet

    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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  • A new method for generating ceramic restorations: a

    2021-3-23 · 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 4. SHI Yu-feng, XU Qing-yan, LIU Bai-cheng. Simulation

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  • MICRO-SCALE RADIAL-FLOW COMPRESSOR IMPELLER

    designed with the fully three-dimensional geometry obtained ... for dental drills, may also offer an option. For our work, we ... eter air turbine, stable runs at 830,000rpm were achieved. ...

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  • US4575330A - Apparatus for production of three

    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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  • Turbine Control System - How is Turbine Control

    TCS - Turbine Control System. Looking for abbreviations of TCS? It is Turbine Control System. Turbine Control System listed as TCS. Turbine Control System - How is Turbine Control System abbreviated? ... Three-Dimensional Complex Space Theory: TCS: Time Critical Strike: ... (Signal Hill, CA dental equipment) TCS: Trinity Classical School ...

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  • Dental high speed air turbine handpiece turbine 4

    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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  • Analysis of turbine blades using a rapid three

    2016-11-4 · New Three-Dimensional Rotor *With the Z900L We harnessed the latest computer analysis software to develop a rotor with higher output. We created a new three-dimensional curved shape after relentless simulations and pilot production. The blade is 50% larger than that of the Ti-Max X Air Turbine. With this new rotor, the air turbine delivers an

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  • AIR TURBINES - Amazon Web Services

    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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  • Australian Dental Journal - Wiley

    Its stainless steel 42 x 42 mm cushion-shaped case unveils a three-dimensional dial achieved by the... New Quick view. inicio Turbine FIRST CLASS. A3044/1. The sober and refined black, white or anthracite dials are housed in a distinctively fluted case, one of the Brand’s hallmarks. ... Perrelet enriches its ladies’ Diamond Flower line with ...

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  • Perrelet

    1. Introduction. The removal and shaping of tooth structure are an essential aspect of restorative dentistry. Most of the dental restorations are either extra-coronal restorations (crowns and fixed partial dentures), intra-coronal restorations (inlays, amalgam, glass ionomer or composite) or a combination of the above [].Although new techniques using lasers, air abrasion and chemo-mechanical ...

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

    2003-10-20 · performance levels, the turbine and compressor had the fully three-dimensional geometry obtained in conventional turbomachines. This was achieved in the Stanford Rapid Prototyping Laboratory using the Mold SDM process to produce the intricate, three-dimensional rotors and shaft out of silicon nitride, as a single part.

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  • Chemical vapor deposition diamond dental burs for

    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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  • Performance of a Micro-scale Radial-Flow Compressor ...

    IEC 61400-3, 1st Edition, February 2009 - Wind turbines – Part 3: Design requirements for offshore wind turbines This part of IEC 61400 specifies additional requirements for assessment of the external conditions at an offshore wind turbine site and it specifies essential design requirements to ensure the engineering integrity of offshore wind turbines.

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  • Analysis of the development of human foetal nasal ...

    METHODS: We investigated the three-dimensional construction of human foetal NC elements, including ST, MT, IT and vomer, using CBCT images from 16 weeks gestation (E16) to E31 (25 foetuses) and compared it to histochemical observations (E25).

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  • AIR TURBINES - Amazon Web Services

    2016-11-4 · New Three-Dimensional Rotor *With the Z900L We harnessed the latest computer analysis software to develop a rotor with higher output. We created a new three-dimensional curved shape after relentless simulations and pilot production. The blade is 50% larger than that of the Ti-Max X Air Turbine. With this new rotor, the air turbine delivers an

    Get Price
  • Microwave sterilization. - Abstract - Europe PMC

    Metal instruments, including air turbine handpieces and burs, and acrylic dentures can be sterilized in short periods. Consistent sterilization can be accomplished only if the items to be sterilized are rotated in a three-dimensional manner throughout the microwave cavity.

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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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  • Performance of a Micro-scale Radial-Flow Compressor ...

    2003-10-20 · performance levels, the turbine and compressor had the fully three-dimensional geometry obtained in conventional turbomachines. This was achieved in the Stanford Rapid Prototyping Laboratory using the Mold SDM process to produce the intricate, three-dimensional rotors and shaft out of silicon nitride, as a single part.

    Get Price
  • Comparison of two-equation turbulence models for

    2012-5-17 · Transient three-dimensional CFD modelling of ceiling fans. Building and Environment, Vol. 123 ... Optimum design of a saw-tooth-shaped dental air-turbine using design of experiment. ... Turbine blade heat transfer prediction in flow transition using k-omega two-equation model.

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  • Thermal Analysis of Laser-Densified Dental Porcelain ...

    2004-11-16 · Thermal analysis of laser densification of a dental porcelain powder bed has been investigated using a three-dimensional thermal finite element model, which encompasses (i) the incoming laser beam power with a Gaussian distribution, (ii) optical pyrometer simulation in addition to the closed-loop temperature control, (iii) powder-to-solid transition, (iv) temperature-dependent thermal ...

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  • Dr Mayorkinos Papaelias, Metallurgy and Materials ...

    Dr Mayorkinos Papaelias (Ph.D. in Metallurgy, Chartered Engineer – Greece, Member of the Technical Chamber of Greece) is Reader in NDT and Condition Monitoring at the School of Metallurgy and Materials at the University of Birmingham, currently leading the …

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  • Lee TEH | Nazarbayev University, Astana | NU |

    The first one proposes a framework to optimize wind turbine blades by integrating multidisciplinary 3D parametric modeling, a physics-based optimization scheme, the IBEM method, and 3D RANS ...

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  • AIR TURBINES - Amazon Web Services

    2016-11-4 · New Three-Dimensional Rotor *With the Z900L We harnessed the latest computer analysis software to develop a rotor with higher output. We created a new three-dimensional curved shape after relentless simulations and pilot production. The blade is 50% larger than that of the Ti-Max X Air Turbine. With this new rotor, the air turbine delivers an

    Get Price
  • Comparison of two-equation turbulence models for

    2012-5-17 · Transient three-dimensional CFD modelling of ceiling fans. Building and Environment, Vol. 123 ... Optimum design of a saw-tooth-shaped dental air-turbine using design of experiment. ... Turbine blade heat transfer prediction in flow transition using k-omega two-equation model.

    Get Price
  • 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:

    Get Price
  • 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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  • Thermal Analysis of Laser-Densified Dental Porcelain ...

    2004-11-16 · Thermal analysis of laser densification of a dental porcelain powder bed has been investigated using a three-dimensional thermal finite element model, which encompasses (i) the incoming laser beam power with a Gaussian distribution, (ii) optical pyrometer simulation in addition to the closed-loop temperature control, (iii) powder-to-solid transition, (iv) temperature-dependent thermal ...

    Get Price
  • Regeneration of pulpo-dentinal–like complex by a

    Dental pulp is critical to maintain the vitality of a tooth. Regeneration of pulpo-dentinal complex is of great interest to treat pulpitis and pulp necrosis. In this study, through three-dimensional spheroid culture, a group of unique multipotent stem cells were identified from mouse dental papilla called multipotent dental pulp regenerative stem cells (MDPSCs).

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  • IEC 61400-3 : Wind turbines – Part 3: Design

    IEC 61400-3, 1st Edition, February 2009 - Wind turbines – Part 3: Design requirements for offshore wind turbines This part of IEC 61400 specifies additional requirements for assessment of the external conditions at an offshore wind turbine site and it specifies essential design requirements to ensure the engineering integrity of offshore wind turbines.

    Get Price
  • What is 3D printing? How does a 3D printer work?

    3D printing or additive manufacturing is a process of making three dimensional solid objects from a digital file. The creation of a 3D printed object is achieved using additive processes. In an additive process an object is created by laying down successive layers of material until the object is created. Each of these layers can be seen as a ...

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  • Innovative tube measurement supports rail

    2021-7-2 · An innovative high-precision three-dimensional glass reference serves as the basis for measurement, which ensures reliable stability within a manufacturing environment. TubeInspect represents the height of what optical metrology can do for the tube and wire industry today and is an important building block for the CRRC Group to solve some of ...

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  • DWS | Stories | 3D Printed Trabecular Bone Phantoms

    2021-7-5 · In this paper, ultrasound measurements of 1:1 scale three-dimensional (3D) printed trabecular bone phantoms are reported. The micro-structure of a trabecular horse bone sample was obtained via synchrotron x-ray microtomography, converted to a 3D binary data set, and successfully 3D …

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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.

    Get Price
  • DADiSP Application Briefs: Anthropology:

    2021-1-2 · Turbine Power. Anthropology Microtopography. Automotive Competitive Racing Engine Vibration. Biology ... Recent anthropological research suggests that the study of dental microwear, the pits and scratches formed on a tooth surface through use, may go a long way to helping scientists reconstruct the diets of extinct mammals, including our early ...

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  • Additive Manufacturing - Roland Berger

    2021-7-4 · close to technological leaders in aerospace, turbine development and motorsports production. In certain areas, the technology has already achieved manufacturing readiness (e.g. dental or design objects), whereas in the aerospace and turbine industry, process development and complex field testing are ongoing. The

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  • What is 3D printing? How does a 3D printer work?

    3D printing or additive manufacturing is a process of making three dimensional solid objects from a digital file. The creation of a 3D printed object is achieved using additive processes. In an additive process an object is created by laying down successive layers of material until the object is created. Each of these layers can be seen as a ...

    Get Price
  • US5121329A - Apparatus and method for creating

    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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  • Influence of Angulation in Cervical Prosthetic Emergences ...

    2020-6-15 · Appl. Sci. 2020, 10, 4108 2 of 20 method to quantify three-dimensional changes and achieve a precise measurement and volumetric reconstruction [3]. A healthy relationship between dental restorations and the periodontium is of fundamental

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

    carried the dental handpiece for the two-dimensional movements. These movements represent the handpiece movements in clinical cutting manipulated by dentists. The movements of a dental hand-piece and a bur against a specimen during the simulated dental cut-ting are illustrated in Fig. 1(b). A bur rotating at a high rotational

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  • Dental articulator - WEBER, ROLAND

    An exact three-dimensional measurement and recording of these composite movements and the most complete possible simulation of these movements on an articulator are absolutely necessary in order to render possible grinding in of the masticatory surface relief in such a way that incorrect settings and temporary or permanent over-stressing of the ...

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  • [Proceeding] Modelling and Simulation ~MS 2008~

    A 3D Free-Lagrangian Method to Simulate Three-Dimensional Groundwater Flow and Mass Transport L.H. Beni, D. Blessent, M.A. Mostafavi, and R. Therrien (Canada) Abstract: PDF Format : 620-157: Statisical versus Deterministic Tolerance Analysis using Jacobian-Torsor Model W. Ghie (Canada) Abstract: PDF Format

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