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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 dental model analysis of treatment ...

    2008-11-1 · Treatment changes shown in the 3D dental model analysis fulfilled our treatment goals for correcting maxillary dentoalveolar protrusion. In addition to anterior retraction, miniplates can facilitate intrusion of the maxillary posterior teeth; this is favorable for closing an anterior open bite and providing vertical control during orthodontic treatment for Class II high-angle cases.

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  • Three dimensional dental epithelial-mesenchymal

    Three dimensional dental epithelial-mesenchymal constructs of predetermined size and shape for tooth regeneration. Zhang W(1), Ahluwalia IP, Yelick PC. Author information: (1)Division of Craniofacial and Molecular Genetics, Department of Oral and Maxillofacial Pathology, Tufts University School of Dental Medicine, Boston MA 02111, USA.

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  • Three Dimensional Dental Anatomy Software Program

    Teaching Oral Anatomy using Digital Interactive Dental Models. Tooth Explorer TM is a three dimensional dental software program designed to teach oral anatomy in a highly efficient digital environment. This program provides dentistry students with an interactive, three-dimensional dental library of 32 individual adult teeth.

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  • Apparatus and method for correcting three

    An apparatus for correcting a three dimensional space-angle of a drill for a dental hand piece for a tooth structure including hard and soft tissues in an oral and maxillofacial area including a jawbone and teeth of a patient, comprising: a housing provided on a fixing unit of the dental hand piece; a first sensing unit for measuring an angle of the housing in real-time; a second sensing unit for measuring an angle of a …

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  • Three-dimensional mandibular dental changes with

    Dental changes in untreated normal occlusion were very slight from early to mature adulthood. The eruption of the mandibular teeth was the most consistent finding. A tendency for mesial movement of molars and lingual movement of first premolars and canines was observed in the mandible during the agi …

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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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  • Validation of a three‐dimensional printed model for ...

    2020-5-13 · This study aimed to validate a three-dimensional (3D) printed model to provide training for supernumerary teeth (SNTs) extraction. Materials and Methods. Each of the 30 participants, grouped as experienced and without experience, conducted two identically simulated surgeries on a 3D-printed replica of human mixed dentition with a SNT.

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  • Validation of a three‐dimensional printed model for ...

    2020-5-13 · This study aimed to validate a three‐dimensional (3D) printed model to provide training for supernumerary teeth (SNTs) extraction. Materials and Methods. Each of the 30 participants, grouped as experienced and without experience, conducted two identically simulated surgeries on a 3D‐printed replica of human mixed dentition with a SNT.

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  • A three-dimensional method for evaluating changes

    2017-12-1 · A 3D surface-imaging device (3dMDcranial System, 3dMD, Atlanta, USA) was used to record facial images for each patient before (pre-treatment) and immediately after (post-treatment) the correction of the anterior crossbite. Images were recorded with the patient seated, with the head in a …

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

    2008-11-1 · Three-dimensional dental model imaging can be analyzed by using laser scanners, which provide a hologram of dental models with more expensive equipment. 29 The use of a 3D digitizer with dental models has made possible a more comprehensive assessment of tooth position changes during treatment. 12 Cone-beam computed tomography is another tool to ...

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  • THREE DIMENSIONAL INTERACTIVE DENTAL CHARTING

    2019-7-4 · component required to be developed to represent the 3D model of the teeth in the form of a dental chart. This component represents the dental charting interactive interface in order to provide a complete and reliable way to represent the three-dimensional model of the human teeth …

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  • Three-dimensional analysis of dental decompensation

    1. Korean J Orthod. 2012 Oct;42(5):227-34. doi: 10.4041/kjod.2012.42.5.227. Epub 2012 Oct 29. Three-dimensional analysis of dental decompensation for skeletal Class III malocclusion on the basis of vertical skeletal patterns obtained using cone-beam computed tomography.

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  • Three-dimensional dental topography and feeding

    2020-12-23 · Here, we quantified the shape descriptor metrics in three-dimensional (3D) models of the upper teeth (P 4 –M 2) of the cave bear to make inferences about its controversial feeding behaviour. We used comparative samples, including representatives of all living bear species with known diets, as a …

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  • Method to Develop Pseudo Three-dimensional Dental

    2011-1-1 · Three-dimensional digitizer can obtain three-dimensional surface dataset of teeth and gum from dental cast. Most digitizers available on today market measure shape of target object using the light section method shown in Fig. 1.The method projects slit-light onto target object and shoot it from other direction, and work out shape by stereo measurement theory [].

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  • Can you 3D Print Your Own Invisalign Braces? -

    Along with braces, another popular treatment option for correcting misaligned teeth is Invisalign. Invisalign is a treatment that uses three-dimensional computer imaging technology to create a treatment plan. It starts with how the teeth are currently positioned and ends with the final desired position.

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  • Invisalign at Mega Dental - The smile you've dreamed of

    2018-10-30 · To supplement tooth morphology teaching a three-dimensional (3D) quiz application (app) was developed. The 3D resource enables students to study tooth morphology actively by selecting teeth from an interactive quiz, modify their viewpoint and level of zoom.

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  • Development and Assessment of a Three‐Dimensional

    2015-2-6 · The complex three-dimensional flow in the wicket gate and the runner of a Francis turbine is investigated by applying both a quasi-three-dimensional and a three-dimensional computational method. The computations were conducted on a double grid containing the …

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  • Quasi-Three-Dimensional and Three-Dimensional

    2018-8-29 · Correcting crooked and rotated teeth is no longer just for kids, in fact the fastest growing segment of orthodontics today is adults. Straightening and aligning teeth can have a major impact on both the health of the teeth and gums and will markedly improve the aesthetics of your smile.

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  • Three-Dimensional Proxies to Dental Wear

    2019-9-29 · Three different dental surface digitization devices were used in the studies, a laser scanner and two touch-probe scanners. The point-clouds resulting from the digitizations of the master dies of ... three-dimensional replica of the teeth. The opposing, occluding teeth are also registered, either by a separate . Virtual 3D analysis of digitized ...

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  • VIRTUAL THREE- DIMENSIONAL ANALYSIS OF DIGITIZED

    The methods employed in this study, which included the use of the three-dimensional digitizer MicroScribe-3DX, a tool with proven efficacy, 15 allowed assessment of three-dimensional changes of dental arches and possible influences caused by orthodontic treatment and surgical therapy.

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  • Three-dimensional dental arch changes of patients ...

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

    2008-5-9 · The aim of this study was to assess by means of a three-dimensional computed tomography scanning system the occlusal surface characteristics of dental casts made using two different impression materials. Alginate and polyvinyl siloxane impressions were taken of 20 dental students resulting in 40 dental …

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  • Three-dimensional assessment of dental casts'

    2018-8-29 · Correcting crooked and rotated teeth is no longer just for kids, in fact the fastest growing segment of orthodontics today is adults. Straightening and aligning teeth can have a major impact on both the health of the teeth and gums and will markedly improve the aesthetics of your smile.

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  • ORTHODONTICS at Miller Dental & Orthodontics

    2021-7-7 · We proposed a convolutional neural network for vertex classification on 3-dimensional dental meshes, and used it to detect teeth margins. An expanding layer was constructed to collect statistic values of neighbor vertex features and compute new features for each vertex with convolutional neural networks. An end-to-end neural network was proposed to take vertex features, including coordinates ...

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  • [2107.03030] A convolutional neural network for teeth ...

    An apparatus for digitalization of dental structures which is precise and efficient, generating unequivocal three-dimensional data. The apparatus of the invention comprises at least one articulated arm and at least one probe, said articulated arm and probe providing dental structure scanning directly by mouth contact, being a comfortable device for the patient.

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  • Apparatus for Digitalization of Dental Structures, and ...

    2019-7-31 · more teeth may be abnormally malposed either lingually or labially with reference to opposing teeth [4]. Anterior cross- ... in comparison with this traditional method of correcting anterior dental crossbite. ... “A three dimensional clinical approach for anterior crossbite treatment in early mixed. 4 ISRN Dentistry dentition using an ...

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  • Case Report - Hindawi

    2021-7-5 · The vertical axis wind turbine (VAWT) configuration has many advantages for an offshore wind turbine installation. The VAWT is omnidirectional and its rotating mechanical components can be placed close to sea level. In this paper, the three dimensional (3D) computational fluid dynamics analysis of a large-scale 5 MW VAWT is conducted. At the ...

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  • Three-dimensional surgical guide approach to

    2020-12-29 · Three-dimensional surgical guide approach to correcting skeletal Class II malocclusion with idiopathic condylar resorption ... His maxillary dental midline was coincident with the facial midline, while the mandibular dental midline deviated 1 mm to the right. ... To retract the proclined mandibular anterior teeth and obtain sufficient space for ...

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  • Three Dimensional Dental Imaging & Scans

    The 3D dental imaging system provides a quick scan that improves the opportunity to catch issues early, makes the health of the maxillofacial complex easier to understand and provides very reliable results. The scanning process only takes 14 seconds. The doctor will review the scan with you, and you will be able to see your teeth, upper and ...

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  • Three-Dimensional Assessment of Dental Occlusion

    Historically there have been many concepts proposed for the evaluation, diagnosis, and treatment of dental occlusion. These concepts have mostly been dentally static positions, designed for bilateral balance with forces vertically aligned on the teeth.When discussing occlusion, Angle’s classification should be referenced, 1 which is a concept of occlusion based on the natural dentition.

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  • Methods for correcting tooth movements midcourse

    2006-3-13 · Methods for correcting tooth movements midcourse in treatment (PAT - US2006257814) ... Appliances are made using a dental mold representing a patient's dental configuration. In particular, thermoformable plastic positioning appliances which fit over the patient's teeth may be formed over a three-dimensional mold of the patient's dentition ...

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

    New three-dimensional (3D) printing technologies give us already the chance to produce individual teeth models with more anatomi-cal characteristics. In combination with micro-computed tomogra - phy (µCT), the reconstruction of complex root canal systems can be used for dental …

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  • Welcome to Smile Care | Treatment - Best Dental Clinic

    A good smile involves in it more than just healthy teeth and gums. It is a blend of symmetry, color, shape and lines that create a balanced harmonious. Read more... Orthodontic Treatment. Orthodontic treatments are useful for correcting the mal-aligned teeth and can enhaces the overall facial look. Read more... Children's Dentistry.

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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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  • Orthodontic braces: Oral Confidence Orthodental

    2020-7-15 · Three-dimensional structure of wind turbine wakes 2883 Figure 1. Schematic view of the part of the wind farm in central Iowa where the CWEX-13 field campaign took place. The row of four turbines whose wakes are detected by the scanning lidar is highlighted in a purple ellipse.

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  • Three-dimensional structure of wind turbine wakes as ...

    Surface roughness of each waxup was also computed and compared with the reference teeth. A formula for digital assessment was developed and applied to each waxup. On average, digital grades exceeded the VI assessments, while correcting individual errors for greater accuracy and precision (ICC=0.866).

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  • Three-dimensional surgical guide approach to

    2020-12-29 · Three-dimensional surgical guide approach to correcting skeletal Class II malocclusion with idiopathic condylar resorption ... His maxillary dental midline was coincident with the facial midline, while the mandibular dental midline deviated 1 mm to the right. ... To retract the proclined mandibular anterior teeth and obtain sufficient space for ...

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  • CBCT: A Three-Dimensional Look at ... - AEGIS Dental

    2019-2-23 · Most 3-D printers work by extruding very thin layers of material, one on top of the other, to form a three-dimensional shape. As of now, these printers primarily use plastic materials to print. Many companies are working on developing and improving dental-grade plastics and resins that will work in a 3-D printer and look natural.

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  • 3-D Printing & the Future of Dentistry – Canby Family

    OBJECTIVES The aim of this study was to assess the dimensional accuracy of fused deposition modeling (FDM)-, Polyjet-, and stereolithography (SLA)-produced models by comparing them to traditional plaster casts. MATERIALS AND METHODS A total of 12 maxillary and mandibular posttreatment orthodontic plaster casts were selected from the archives of the Orthodontic …

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  • [PDF] Accuracy of three-dimensional dental resin

    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 analysis of the physiologic drift of ...

    The results of two investigations, conducted on the aerodynamic response of a turbine blade oscillating in a three dimensional bending mode, are presented in this paper. The first is an experimental and computational study, designed to produce detailed three dimensional test cases for aeroelastic applications and examine the ability of a 3D ...

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  • Three dimensional tidal turbine array simulations using ...

    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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  • Orthodontic braces: Oral Confidence Orthodental

    2009-8-3 · 'Three-Dimensional CFD Analysis of a Gas Turbine Combustor for Medium/Low Heating Value Syngas Fuel.' Proceedings of the ASME Turbo Expo 2008: Power for Land, Sea, and Air . Volume 4: Heat Transfer, Parts A and B .

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