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

    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 …

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  • Three-Dimensional Palatal Development ... - Allen

    2007-7-1 · Objective: To measure palatal landmarks of healthy nonpatient children aged 3 to 6 years with a normal deciduous dentition and to evaluate palatal shape independent of size. Materials and Methods: Fifty-eight dental casts of children with a normal and complete deciduous dentition were obtained and digitized with a computerized 3D …

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  • Three-Dimensional Analysis of Dental Casts ... -

    2003-9-1 · Recently, a more accurate quantification of dental cast information has become possible as a result of advances in the application of three-dimensional (3-D) measuring devices to dentistry.9 Motohashi and Kuroda10 simulated orthognathic surgery on digital images based on 3-D information from dental casts.

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  • Three-dimensional dental arch curvature in

    The three-dimensional arrangement of dental cusps and incisal edges in human dentitions has been reported to fit the surface of a sphere (the curve of Monson), with a radius of about 4 inches in adults. The objective of the current study was to compare the three-dimensional curvature of the mandibular dental arch in healthy permanent dentitions of ...

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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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  • (PDF) Development of three-dimensional patient

    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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  • Two- and three-dimensional accuracy of dental

    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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  • Three-dimensional imaging of orthodontic

    Three-dimensional structure of wind turbine wakes as measured by scanning lidar. Abstract. The lower wind speeds and increased turbulence that are characteristic of turbine wakes have considerable consequences on large wind farms: turbines located downwind generate less power and experience increased turbulent loads.

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  • AMT - Three-dimensional structure of wind

    2021-5-1 · Three-dimensional cultures offer several advantages, mainly due to the improved cell-to-cell interaction provided by the extracellular matrix (ECM), which supports cells and delivers nutrients, providing a structure that better resemble the …

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

    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 …

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  • Aims Press-Three-dimensional mandibular

    Craniofacial bones protect vital organs, perform important physiological functions, and shape facial identity. Critical-size defects (CSDs) in calvarial bones, which will not heal spontaneously, are caused by trauma, congenital defects, or tumor resections. They pose a great challenge for patients a …

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  • Mesenchymal stem cells and three-dimensional ...

    2012-5-17 · Prediction of Ice Shape for Three-Dimensional Engine Inlet Based on the Proper Orthogonal Decomposition Method 1 August 2014 | Advanced Materials Research, Vol. 1008-1009 Frost formation mechanism analysis and frost growth prediction on …

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  • ONERA three-dimensional icing model | AIAA

    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 …

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  • Three-dimensional evaluation of skeletal and

    2015-3-18 · The extension of a well established three dimensional flow calculation method to calculate the flow through multiple turbomachinery blade rows is described in this paper. To avoid calculating the unsteady flow, which is inherent in any machine containing both rotating and stationary blade rows, a mixing process is modelled at a …

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  • The Calculation of Three Dimensional Viscous

    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 …

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  • Generation of three-dimensional heart

    2021-4-22 · Finite element software abaqus and the user-defined element (UEL) subroutine are used to build three-dimensional rough surface elastoplastic contact models. By calculating the grinding rough surface contact in the macro-scale constitutive model based on J 2 theory and in the CMSG plasticity constitutive model, the influence …

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  • Three-Dimensional Elastoplastic Contact

    A three-dimensional (3D) non-reflecting boundary condition for linearized flow solvers is presented. The unsteady aerodynamic modes at the inlet and outlet (far-field) are numerically determined by solving an eigen problem for the semi-discretized flow equations on a two-dimensional mesh.

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  • Three-Dimensional Non-Reflecting Boundary

    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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  • Three/four-dimensional (3D/4D) microscopic

    2016-9-1 · Three-dimensional reconstruction for thick carious lesions. Specimens used in this study were soft pulp tissues connected with hard dentin tissues (Fig. 1a). 2D images with an overlay of the differential interference contrast (DIC) channel image of a healthy control tooth were displayed scant expression of GFAP and S100B (Fig. 1b).For …

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  • Three Dimensional Simulation of the Effect of

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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 …

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  • Improving durability of dental structures |

    2021-2-26 · Secure adhesion to the remaining healthy tooth tissue depends on the creation of 'interface zones', three-dimensional structures which consist of different connecting layers of varying composition ...

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  • A Review on Biomaterials in Dental Implantology

    2015-7-11 · The earliest dental implants were of stone and ivory cited in archeological records of China and Egypt before the Common Era. Gold and Ivory dental implant were used in the 16th & 17th centuries. Metal implant devices of Gold, Lead Iridium, Tantalum, Stainless Steel and Cobalt alloys were developed in the early 20th century .

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  • Anthropometric Study of Three-Dimensional

    2016-10-5 · Objectives To establish the three-dimensional (3D) facial soft tissue morphology of adult Malaysian subjects of the Malay ethnic group; and to determine the morphological differences between the genders, using a non-invasive stereo-photogrammetry 3D camera. Material and Methods One hundred and nine subjects …

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  • Drilling for a Century | Proto Magazine

    2008-9-22 · Three years later, George F. Green introduced electricity to the device. Green’s electromagnetic-motor-powered drill was effective, but it was heavy and too expensive for most practices. Forty-five years after the introduction of the plug-in drill, the modern air-turbine-engine dental drill was developed in 1953, increasing rpms to 50,000.

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  • Uncovering wind turbine properties through two

    2013-10-29 · Three regions can be identified: region I having slow dynamics and regions II and III with fast dynamics. Interestingly, the fixed point spot in region II coincides with the rated speed of the wind turbine. The black curve indicates the performance curve and crosses the bins for which D (1) (v, P) vanishes.

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  • Additive Manufacturing - Roland Berger

    2021-7-4 · 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 …

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  • Materials | ResearchGate

    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 rate.

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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 …

    Get Price
  • plastic dental tool, plastic dental tool Suppliers

    Alibaba.com offers 831 plastic dental tool products. About 3% of these are Cleaning & Filling Teeth Equipments, 1% are Dental surgical instruments, and 0% are Dental Handpiece. A wide variety of plastic dental tool options are available to you, such as shelf life, material, and warranty.

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  • Improving durability of dental structures |

    2021-2-26 · Secure adhesion to the remaining healthy tooth tissue depends on the creation of 'interface zones', three-dimensional structures which consist of different connecting layers of varying composition ...

    Get Price
  • Drilling for a Century | Proto Magazine

    2008-9-22 · Three years later, George F. Green introduced electricity to the device. Green’s electromagnetic-motor-powered drill was effective, but it was heavy and too expensive for most practices. Forty-five years after the introduction of the plug-in drill, the modern air-turbine-engine dental drill was developed in 1953, increasing rpms to 50,000.

    Get Price
  • Additive Manufacturing - Roland Berger

    2021-7-4 · 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 …

    Get Price
  • Anthropometric Study of Three-Dimensional

    2016-10-5 · Objectives To establish the three-dimensional (3D) facial soft tissue morphology of adult Malaysian subjects of the Malay ethnic group; and to determine the morphological differences between the genders, using a non-invasive stereo-photogrammetry 3D camera. Material and Methods One hundred and nine subjects …

    Get Price
  • Patents in Class 703/1

    Prioritization of three dimensional dental elements The present disclosure includes methods, systems, and devices for prioritization of three dimensional dental elements. One method for prioritizing three dimensional dental elements includes... 5 : 9031817

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  • Tethon 3D granted U.S. patent for sinterable 3D

    2021-6-10 · Nebraska-based 3D printing materials developer Tethon 3D has been issued a new 3D printing patent covering the company’s UV resin materials technology. U.S. Patent 10,981,326, ‘Three ...

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  • Three-dimensional visualisation of soft biological

    Although several techniques for imaging the three-dimensional (3D) structure of biological samples are well-established, in practice they can be technically challenging, time-consuming, limited to small volumes and, in some cases, prone to inducing substantial structural artefacts.

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  • Materials | ResearchGate

    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 rate.

    Get Price
  • İdealdent

    2021-5-1 · Gazi Mah. GMK Bulvarı No:309/A Eski Duygu Tıp Binası Pozcu- Mersin Türkiye 444 21 33 0507 369 97 76 [email protected]

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  • Current trends in dental implants

    2014-4-28 · 1. Macro features of endosseous implants. Dental implants are designed to achieve primary mechanical stability and to promote a strong bone-implant interaction over time through osseointegration19,20.For endosseous implants, there are three major macro-aspects: 1) screw threads, 2) solid body press-fit designs (cylindrical, conical), …

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  • Additive Manufacturing - Roland Berger

    2021-7-4 · 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 …

    Get Price
  • Composite materials guide: Manufacturing >

    2019-1-24 · However, to achieve three dimensional, uniform pressures of greater than 1 bar, additional external pressure is required. The most controllable method of achieving this for an infinite variety of different shapes and sizes is by applying a compressed gas into a pressure vessel containing the composite layup.

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  • Three-dimensional visualisation of soft biological

    Although several techniques for imaging the three-dimensional (3D) structure of biological samples are well-established, in practice they can be technically challenging, time-consuming, limited to small volumes and, in some cases, prone to inducing substantial structural artefacts.

    Get Price
  • Patents in Class 703/1

    Prioritization of three dimensional dental elements The present disclosure includes methods, systems, and devices for prioritization of three dimensional dental elements. One method for prioritizing three dimensional dental elements includes... 5 : 9031817

    Get Price
  • Evaluation of Wear Resistance of Dental

    2018-11-1 · Specimen microstructure, indentation morphology, and wear scars were observed by scanning electron microscope (SEM), optical microscopy, and three-dimensional profile microscopy. EX, VS, and EC demonstrated significantly higher K IC values than the enamel, while ceramic materials showed smaller wear depth results.

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  • EXPO21XX.com - Online exhibitions for industry,

    After enamel removal, the dentist will take dental impressions of the teeth by placing soft putty into a tray and resting the tray around the teeth, or by using advanced dental software that can generate three-dimensional pictures of the patient’s mouth. Using the impressions, the veneers are fabricated for use in the treatment.

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  • How Much Do Dental Veneers Cost In The US? -

    2021-4-16 · Sunlight to solve the world's clean water crisis. Researchers have developed technology that could eliminate water stress for millions of people, including those living in many of the planet's ...

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