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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 arch changes of patients ...

    2014 Dental ress ournal o rthodontics 71 Dental ress rthod 2014 uly-ug19(4)71-9 original article Three-dimensional dental arch changes of patients submitted to orthodontic-surgical treatment for ...

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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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  • 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 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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  • Computerized three-dimensional design for accurate ...

    Computerized three-dimensional design for accurate orienting and dimensioning artificial dental socket for tooth autotransplantation. ... within the limitations of the alveolar bone borders and the adjacent teeth roots, and for producing a metal replica of the transplanted tooth. ...

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  • (PDF) Three-dimensional dental model analysis of

    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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  • Three-dimensional mandibular dental changes with

    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 epithelial-mesenchymal

    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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  • A method for correcting for errors produced by variable ...

    A method for correcting for errors produced by variable magnification in three-dimensional tuned-aperture computed tomography RL Webber*,1 and W Bettermann1 1Department of …

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  • Invisalign | Dominion Dental Spa

    Invisalign uses three-dimensional digital technology to design on a computer a series of plastic clear aligners. The clear orthodontic aligners are then fabricated using CAD/CAM technology and sent to our office. These aligners use carefully prescribed forces to move the teeth. Because the material is clear and fits the teeth intimately ...

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  • 3D Tooth Modeling for Orthodontic Assessment -

    2009-3-1 · 3D Tooth Modeling for Orthodontic Assessment. Use of three-dimensional (3D) imaging data from cone beam computed tomography (CBCT) together with the mathematical concept of axes of inertia permits characterization of three-dimensional (3D) geometry for discrete anatomical objects including teeth. A study was conducted to investigate this concept.

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  • The accuracy of three-dimensional rapid prototyped ...

    which is also useful for correcting dental spaces, ante-rior open bite, and other dento-maxillofacial deformi-ties (5,6). Compared with other orthognathic surgeries, ... ogy, the three-dimensional ...

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  • How the Intraoral Scanner can be of help in a Dental

    2021-3-9 · For correcting teeth alignment using retainers ... mostly laser. The optical impressions are then processed by the software to recreate a three-dimensional model on the monitor. The scanner device can be of two types; photographic technology scanner and video technology scanner. ... The use of modern imaging techniques in your dental clinic can ...

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  • [Diagnostics and planning of orthodontic treatment of ...

    3D scanning of plaster jaw models and further processing of the received data in editing program for three dimensional models Rapid Form 2006 Basis is one of the used methods of diagnostics of patients with crowded teeth position (measurement of anthropometric parameters of jaw models, dental arches symmetry, sizes and forms of dentitions).

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  • Palatal Injection Does Not Block the Superior Alveolar ...

    The superior alveolar nerves course lateral to the maxillary sinus and the greater palatine nerve travels through the hard palate. This difficult three-dimensional anatomy has led some dentists and oral surgeons to a critical misunderstanding in developing the anterior and middle superior alveolar (AMSA) nerve block and the palatal approach anterior superior alveolar (P-ASA) nerve block.

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  • US6488499B1 - Methods for correcting deviations in ...

    Three-dimensional printed dental appliances using support structures US10952821B2 (en) 2016-09-21: 2021-03-23: uLab Systems, Inc. Combined orthodontic movement of teeth …

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  • (PDF) Correcting posterior crossbites complicated by

    Cavitations & Ozone Dentist Pittsburgh. Ozone (O3) is a supercharged version of regular Oxygen (O2). We use it at PCHD as a means of improving bone healing after extractions, bone grafting and implant placement. It does this by sterilizing the surgical bed and enhancing the quality of …

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

    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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  • A method for correcting for errors produced by variable ...

    A method for correcting for errors produced by variable magnification in three-dimensional tuned-aperture computed tomography RL Webber*,1 and W Bettermann1 1Department of …

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  • Title Method to Develop Pseudo Three-dimensional

    2016-6-24 · Abstract—Although three-dimensional image can be a powerful tool for dentists to explain treatments to patients, obtaining of three-dimensional image of teeth in general dental clinics is difficult. This paper proposed a method to develop pseudo three-dimensional dental image from conventional dental panoramic radiograph and dental impression.

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  • VIRTUAL THREE- DIMENSIONAL ANALYSIS OF DIGITIZED

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

    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 Proxies to Dental Wear

    2021-1-5 · Dental wear is a function of age-at-death in human skeletal populations. However, discrete scoring proxies of dentine exposure areas have shown to largely depend on dietary life-history and cultural practices. In addition, dental wear greatly limits research on dental morphological variability since unworn teeth are scarce in osteo-archaeological repositories.

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

    A visualisation system has been developed to assist the orthodontists in various analyses. The system was developed using Visual C++ and OpenGL. The analyses that can be performed are 3D space ...

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  • (PDF) 3D Orthodontic Visualisation

    2017-3-4 · 论文信息Three-dimensional reconstruction of teeth and jaws based on segmentation of CT images using watershed transformation Dentomaxillofacial Radiology 2015 IF 1.9 主要描述了他们做的一个CT显示处理软件。背景方法讨论

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  • Cavitations and Ozone - Pittsburgh Center for Holistic ...

    Cavitations & Ozone Dentist Pittsburgh. Ozone (O3) is a supercharged version of regular Oxygen (O2). We use it at PCHD as a means of improving bone healing after extractions, bone grafting and implant placement. It does this by sterilizing the surgical bed and enhancing the quality of …

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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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  • [PDF] Accuracy of three-dimensional dental resin

    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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  • Three-dimensional visualization of composite fillings

    2012-9-1 · Three-dimensional visualization of composite fillings for dental identification using CT images. ... The one radiolucent composite resin that was filled in three extracted teeth showed values in the range 660–800 HU. Enamel showed values in the range 3350–3850 HU, …

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  • (PDF) 3D Orthodontic Visualisation

    A visualisation system has been developed to assist the orthodontists in various analyses. The system was developed using Visual C++ and OpenGL. The analyses that can be performed are 3D space ...

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  • Three-dimensional surgical simulation improves the ...

    2017-1-10 · Three-dimensional maxillofacial images were acquired using an i-CAT CBCT scanner (Imaging Sciences International, Hatfield, PA) with a low-dose protocol and patient teeth in light-contact ...

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

    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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  • 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 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 ...

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  • Accuracy of three-dimensional dental resin models

    2018-3-6 · Accuracy of three-dimensional printing for manufacturing replica teeth. ... Recipient(s) will receive an email with a link to 'Accuracy of three-dimensional dental resin models created by fused deposition modeling, stereolithography, and Polyjet prototype technologies: A comparative study' and will not need an account to access the content. ...

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  • Three-dimensional dental model constructed from an

    2017-4-8 · Three-dimensional dental model constructed from an average dental form Introduction The purposes of this study were (1) to discover a simple method for computing an average dental form, (2) to evaluate the validity of the new computing method, and (3) to build an average digital dental model based on the resulting average dental form.

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  • Three Dimensional Imaging - Houston Dental

    2021-5-18 · Three Dimensional Imaging Dr. Holly Gregory 2018-01-10T12:07:07-07:00. For some time the nearest dental three-dimensional imaging facility was in the Woodlands. Now Dr. Gregory is proud to offer a state-of-art, ultra-low-dose radiation, digital cone beam CT machine in the comfort of her own office. This sophisticated machine renders high ...

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  • Three-dimensional analysis of the physiologic drift of ...

    The precise diagnosis of dental root fractures in clinical practice is quite difficult. The aim of this study is to compare the results of three dimensional cone beam computed tomography (CBCT) and conventional intraoral radiography images in the diagnosis of dental root fractures. 50 maxillar central teeth with healthy roots were shot in a single blow in laboratory environment for cracks were ...

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  • In Vitro Comparison of Three Dimensional Cone

    2016-5-10 · A cold-flow, large-scale, low-speed (LS) rig was built in order to investigate and validate new design criteria, providing reliable and detailed results while containing costs. This paper presents the design of an LS stage and describes a general procedure that allows to scale three-dimensional (3D) blades for LS testing.

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  • Scaling Three-Dimensional Low-Pressure Turbine

    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 tidal turbine array simulations using ...

    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

    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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