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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.

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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 head portion or jaw of the patient in real-time; an operating unit …

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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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  • Dimensional Accuracy of Dental Models for Three-Unit ...

    2021-3-22 · apparatus (SLA); dimensional accuracy 1. Introduction Digital models can be used to manufacture various dental appliances including fixed prostheses [1]. The impressions made by digital oral scanners enable the three-dimensional (3D) modelling of teeth by a computer and the fabrication of fixed prostheses without conventional working models.

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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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  • (PDF) Dimensional Accuracy of Dental Models for

    2021-3-22 · Dimensional Accuracy of Dental Models for Three-Unit Prostheses Fabricated by V arious 3D Printing T echnologies Soo-Yeon Y oo 1 , Seong-Kyun Kim 1 , …

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  • Three-dimensional surgical guide approach to

    2021-5-1 · Idiopathic condylar resorption (ICR), also known as progressive condylar resorption (PCR), is a progressive degenerative disease of the temporomandibular joint (TMJ). 1 Resorption in the bilateral condyles usually induces decreased height of the ramus, subsequent opening rotation of the mandible, and decreased chin projection. 2 In addition to ...

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  • US20160067010A1 - Apparatus and method for

    An apparatus for correcting a three dimensional space-angle of a drill for a dental hand piece, including: 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 head portion or jaw of the patient in real-time; an operating unit for calculating the three-dimensional ...

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  • Dental Health Unit Theme - All About Teeth! Lessons ...

    Three-dimensional visualization of composite fillings for dental identification using CT images ... we determined the Hounsfield units of composite resins in 15 extracted human teeth. We then filled a single cavity prepared in each of the teeth with one of five different types of composite resins, and scanned the teeth using our routine post ...

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  • handpiece dental silent, handpiece dental silent

    Generator dental high-speed handpiece with super torque,rain pattern,it looks three-dimensional,which make body doesn't look like monotonous,back cover is push button,it is convenient to change screw. 2.factory will improve products on materials, structure,and techonology constantly, which will make delicate difference to product net ...

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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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  • CORRECTING and REPLACING Aspen Dental Expands

    Download multi-unit library for 3Shape software CAD/CAM technology allows creating three-dimensional models and their materialization by numerical controlled machines to operate more efficiently, reduce costs, increase user/patient satisfaction, and ultimately achieve profits. CAD/CAM tech is the answer to the constantly rising demand for ...

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  • DSI Digital Libraries Download - Dental Solutions Israel

    2021-6-22 · Baistra is one of the largest dental unit, endodontic equipment manufacturers and suppliers in China. Welcome to wholesale high quality products from our factory. For price consultation, contact us. …

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  • Dental Unit Manufacturers, Suppliers, Factory -

    2019-8-30 · Starting from the CAD model, six projects were created to simulate the following therapeutic combinations for correcting element 4.5 position: (1) without attachments, (2) single attachment placed on the buccal surface of element 4.5, (3) three attachments placed on the buccal surfaces of teeth 4.4 to 4.6.

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  • Clear aligner orthodontic therapy of rotated

    The Forsus fatigue resistance device with miniplate was used for this patient and it was very affecting tool in correcting both skeletal and dental parameters. ... of three-dimensional model ...

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  • Harshal PATIL | DIRECTOR, Matroshri Dental

    2021-7-5 · A dental bridge is generally used to fill in an area left by one or more missing teeth and is made up of two or more units. Crowns are used to anchor a pontic (“dummy” tooth/teeth) on either side. A bridge is often the alternative to an implant and is used particularly as the treatment of choice for unsuitable implant candidates.

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  • Family Dental Practice - Dentist in Alberton | Cosmetic ...

    The key clinical flag of an existing dental/cranial problem is when patients state that their osteopathic or chiropractic adjustments do not hold. In my thirty years of clinical research, I have discovered that the alignment of the teeth is a critical factor in providing the self-correcting …

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  • US Patent for Three-dimensional printed dental

    2016-8-5 · Method and apparatus for fabricating an oral appliance are described for correcting malocclusions on a dentition of a subject. A three-dimensional representation of the dentition may be captured and a free-form structure having a lattice structure which matches at least part of a surface of the dentition is generated. The lattice structure defines a plurality of open spaces such that the free ...

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  • Three-dimensional visualization of composite fillings

    2011-8-17 · Three-dimensional visualization of composite fillings for dental identification using CT images ... we determined the Hounsfield units of composite resins in 15 extracted human teeth. We then filled a single cavity prepared in each of the teeth with one of five different types of composite resins, and scanned the teeth using our routine post ...

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  • Microfabrication and Test of a Three-Dimensional

    2005-1-1 · This paper details a novel three-dimensional (3D) hydro-focusing micro cell sorter for micro flow cytometry applications. The unit was microfabricated by means of SU-8 3D lithography. The 3D microstructure for coaxial sheathing was designed, microfabricated, and tested. Three-dimensional hydrofocusing capability was demonstrated with an experiment to sort labeled tanned sheep …

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  • Research Article Three-Dimensional Finite Element

    2019-7-31 · Research Article Three-Dimensional Finite Element Analysis of Anterior Two-Unit Cantilever Resin-Bonded Fixed Dental Prostheses FilipKeulemans, 1 AkikazuShinya, 2,3 LippoV.J.Lassila, 2 PekkaK.Vallittu, 2 CornelisJ.Kleverlaan, 4 AlbertJ.Feilzer, 4 andRoelandJ.G.DeMoor 1 Department of Restorative Dentistry and Endodontology, Dental School, Ghent University Hospital, Ghent University,

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  • Subharti Dental College

    2021-6-16 · “A study to compare and evaluate Three Different Method for correcting Canine Root Torque: A FEM Study” 20. Dr. Sukanya “To compare and Evaluate the Therapeutic Effects of Modified Rick-a-Nator Appliance Versus Fixed twin Block Appliance in Skeletal Class II Malocclusion” 21. Dr. Lovely

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  • Atypical Facial Pain: Dental, Cranial, Whole-Body

    The key clinical flag of an existing dental/cranial problem is when patients state that their osteopathic or chiropractic adjustments do not hold. In my thirty years of clinical research, I have discovered that the alignment of the teeth is a critical factor in providing the self-correcting …

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  • A three-dimensional polyhedral unit model for grain ...

    2010-7-1 · Boomsma and Poulikakos developed a one-dimensional heat conduction model for use with open-cell metal foams, based on idealized three-dimensional unit cell geometry. The model showed that the thermal conductivity of solid phase plays an important role in the overall effective thermal conductivity, and their predictions with the model were ...

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  • Correcting and extending the Boomsma–Poulikakos

    2020-5-7 · A Heterometallic Three-Dimensional Metal-Organic Framework Bearing an Unprecedented One-Dimensional Branched-Chain Secondary Building Unit. Molecules ( IF 3.267 ) Pub Date : 2020-05-07 , DOI: 10.3390/molecules25092190

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  • A three-dimensional evaluation of Class II subdivision ...

    2014-12-12 · follow symmetry and proportions. Correcting asymmetric occlusions can be challenging, and the etiology of the asymmetry may be dental, skeletal, or a combination of both. Perhaps the most famous asymmetric maloc-clusion treated in orthodontics is the Angle's Class II subdivision. The challenge for the practitioner in the treatment of such maloc-

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  • Tooth angulation and dental arch perimeter—the

    2014-10-14 · The anterior perimeter for well-aligned incisors and canines without angulation was used as reference (crown: 47.34mm; root: 39.13mm). An increase in the arch perimeter was obtained for all bracket prescriptions evaluated, which ranged from 0.28 and 3.19mm in the Edgewise technique, for the crown and root measurements, respectively, to 1.09 and 11.28mm for the Roth prescription.

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  • Dental arch response to Haas-type rapid maxillary ...

    2014-10-14 · The maxillary and mandibular casts were processed by a three-dimensional (3D) scanner (NextEngine, Inc, Santa Monica, Calif), and landmarks were traced by means of Geomagic 3D Software (Research Triangle Park, Durham, NC). Measurements were subsequently calculated directly on scanned dental casts by means of ad hoc software.

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  • Simple Orthodontic Correction of Rotated

    The correction of rotated malpositioned tooth/teeth into the dental arch alignment in the mixed-dentition is often a challenging task for paediatric dentists. Failure in addressing this issue can bring about detrimental effect to the developing dentition and increases the probability of a complex orthodontic treatment in later years. Factors such as severity of the malpositioned teeth, patient ...

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  • Treatment of Anterior Dental Crossbite Using Bonded

    2018-9-21 · of anterior dental crossbite was observed within 1-2 weeks, with no damage to teeth or marginal periodontal tissue. concLusIons As demonstrated in these three cases, a bonded resin-composite slope is a simple and effective method for treating anterior dental crossbite. Australian Dent J RefeRences 1. Tsai HH.

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  • Woodpecker Dental Products at Best Price Online ...

    Buy Woodpecker Dental Products. Woodpecker, the biggest ultrasonic scaler manufacturer, owns a maximal production and consumption of ultrasonic scaler in the world.The export volume of LED curing light is also in the leading position. In the past 26 years, Woodpecker has been focused on researching, developing, selling dental equipment.

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  • Surgical-Orthodontic Considerations in Subcranial and ...

    2020-9-2 · Dental models (cast or digital) complement imag-ing modalities in this regard and remain essential for evaluating potential occlusal interferences and for splint fabrication. Virtual surgical planning is used in many cases and affords an opportunity to visualize, in all three dimensions, the proposed skeletal movements and their impact on cephalo-

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  • Resorption: part 2. Diagnosis and management |

    2013-5-24 · Flowable gutta percha and vertical condensation is then necessary for optimum three-dimensional obturation of the resorptive cavity (Figs 29a-b …

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  • Analysis of tooth movement in extraction cases using

    2007-5-19 · The dental cast is the traditional three-dimensional (3D) patient record for measuring linear changes in the dental arch. However, it does not provide important information such as structural and volumetric changes in the palate or 3D measurements of orthodontic tooth movement.

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  • Aerosol in dental practices | KaVo Dental

    2021-7-2 · 1.8. Dental magnifying loops helps in keeping a distance (depending on the focal point of the loupes) between the dentist's face and the working site. Wearing dental magnifying loupes helps correcting your posture, improves visibility, and reduces your tendency to getting closer to the oral cavity.

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  • [PDF] Three-Dimensional Finite Element Analysis of ...

    The aim of this study was to evaluate the influence of different framework materials on biomechanical behaviour of anterior two-unit cantilever resin-bonded fixed dental prostheses (RBFDPs). A three-dimensional finite element model of a two-unit cantilever RBFDP replacing a maxillary lateral incisor was created. Five framework materials were evaluated: direct fibre-reinforced composite (FRC ...

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  • Surgical-Orthodontic Considerations in Subcranial and ...

    2020-9-2 · Dental models (cast or digital) complement imag-ing modalities in this regard and remain essential for evaluating potential occlusal interferences and for splint fabrication. Virtual surgical planning is used in many cases and affords an opportunity to visualize, in all three dimensions, the proposed skeletal movements and their impact on cephalo-

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  • dental chair dimensions | Treedental

    1.Luxury patient chair with safety system 1 set 2.Sewed eco-leather cushion 1 set 3.Water unit box with color painting 1 set 4.Top mounted instrument tray 1 set 5.Main switch for water/air/power 1 set 6.Foot controller, 4-way joystick 1 set 7.3-way syringe (cold/hot water) 2 sets 8.LED operating light with sensor 1 set 9.Left and right armrest 1 set 10.Imported medical grade pipeline 1 set 11 ...

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  • Three-Dimensional Simulation of Scalp Soft Tissue ...

    The three-dimensional simulation results show that the proposed method is effective, and the analysis of simulation experiment shows that the volume and area of the expansion scalp can be accurately calculated and the quantity, location, and size of the expander can also be predicted successfully with the proposed model. 1.

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  • Generalized helices in three-dimensional Lie groups

    The invariant unit vector field˘ on G is a natural analog of the constant unit vector field onE3. It is natural to define three types of generalized helices inG by one of the first three conditions and characterize them in terms similar to the fourth one. In the case of three-dimensional Lie

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  • A new three-dimensional effective water-flooding unit ...

    2021-3-4 · Introduction to the theory of two-dimensional EWU. Definition and classification of flow unit, drive unit, displacement unit and EWU: Flow unit (Jin-Ying et al. 2006): It is the seepage area with similar flow laws and reservoir characteristics within the range of water flooding in the reservoir.Based on the theory of hydrodynamics, the “flow unit” is divided into “high-speed flow area ...

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  • Three-dimensional photonic crystal waveguides and ...

    A three-dimensional photonic crystal may provide single-mode, low-loss, group-velocitydispersionless, and compact waveguides. We report designs of double-heterojunction optical waveguides in a threedimensional photonic crystal. Compact optical waveguide modes are induced by modulating unit cells onedimensionally or two-dimensionally.

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  • UNIT III Three Dimensional Graphics - Google Search

    2016-7-5 · 3.1 Three Dimensional Concepts 3.1.1 Three Dimensional Display Methods: To obtain a display of a three dimensional scene that has been modeled in world coordinates, we must setup a co-ordinate reference for the ‘camera’. This coordinate reference …

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