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

    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 …

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  • Three-dimensional analysis of the relationship between the ...

    2018-12-27 · As the all ceramic restorations are normally applied in the anterior region , which contains porcelain veneers and all-ceramic crowns, it is necessary to systematically analyze the three-dimensional morphology of the Chinese teeth, and to master the bonding area about enamel and dentin of anterior teeth after preparation and provide scientific basis for the rational …

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

    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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  • Analysis of tooth movement in extraction cases using three ...

    Use of three-dimensional computed tomography images in dental care of children and adolescents in Korea ... impacted teeth, supernumerary teeth. DOI: 10.3233/THC-140788. Journal: Technology and Health Care, vol. 22, no. 3, pp. 333-337, 2014. Received 25 October ... IOS Press, Inc. 6751 Tepper Drive Clifton, VA 20124 USA . Tel: +1 703 830 6300 ...

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  • Use of three-dimensional computed tomography ... - IOS

    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 models: a pilot ...

    2015-12-11 · Uses of 3D printing include the production of drill guides for dental implants, the production of physical models for prosthodontics, orthodontics and surgery, the manufacture of dental …

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  • Two- and three-dimensional accuracy of dental ... - IOS Press

    2014-11-1 · The teeth had been extracted as part of dental treatment, and the protocol for the collection of extracted teeth was approved by the University of Adelaide Human Research Ethics Committee (H/27/90). The roots of these teeth were removed using a water-cooled high-speed sectioning machine, with the coronal halves being further sectioned into buccal and palatal …

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  • 3D printing in dentistry | British Dental Journal

    831 plastic dental tool products are offered for sale by suppliers on Alibaba.com, of which other dental equipments accounts for 13%, cleaning & filling teeth equipments accounts for 3%, and dental drill & accessories accounts for 2%. A wide variety of plastic dental tool options are available to you, such as 2 years, 1years, and 3 years.

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

    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 …

    Get Price
  • Three-dimensional analysis of the relationship between the ...

    2018-12-27 · As the all ceramic restorations are normally applied in the anterior region , which contains porcelain veneers and all-ceramic crowns, it is necessary to systematically analyze the three-dimensional morphology of the Chinese teeth, and to master the bonding area about enamel and dentin of anterior teeth after preparation and provide scientific basis for the rational …

    Get Price
  • Analysis of tooth movement in extraction cases using three ...

    Published by Oxford University Press on behalf of the European Orthodontic Society. ... Friel S 1949 Migration of teeth . Dental Record 69 : 74 – 84 ... We assessed the three-dimensional (3D ...

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  • Use of three-dimensional computed tomography ... - IOS

    Use of three-dimensional computed tomography images in dental care of children and adolescents in Korea ... impacted teeth, supernumerary teeth. DOI: 10.3233/THC-140788. Journal: Technology and Health Care, vol. 22, no. 3, pp. 333-337, 2014. Received 25 October ... IOS Press, Inc. 6751 Tepper Drive Clifton, VA 20124 USA . Tel: +1 703 830 6300 ...

    Get Price
  • Two- and three-dimensional accuracy of dental ... - IOS Press

    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.

    Get Price
  • Three-dimensional profilometric assessment of early

    2014-11-1 · The teeth had been extracted as part of dental treatment, and the protocol for the collection of extracted teeth was approved by the University of Adelaide Human Research Ethics Committee (H/27/90). The roots of these teeth were removed using a water-cooled high-speed sectioning machine, with the coronal halves being further sectioned into buccal and palatal …

    Get Price
  • Shaping ability of protaper next compared with waveone in ...

    2018-6-25 · Three-dimensional (3D) printing is a novel technology that can change manufacturing methods. Combined with stomatological approaches, various appliances have been 3D-printed in the dental field, such as drill guides for dental implants; physical models for prosthodontics, orthodontics and surgery; and craniomaxillofacial and orthopaedic implants [ 4 ].

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  • Palatal surface and volume in mouth-breathing subjects ...

    Palatal surface and volume in mouth-breathing subjects evaluated with three-dimensional analysis of digital dental casts-a controlled study. Lione R(1), Franchi L(2), Huanca Ghislanzoni LT(3), Primozic J(4), Buongiorno M(5), Cozza P(1).

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  • plastic dental tool, plastic dental tool Suppliers and ...

    831 plastic dental tool products are offered for sale by suppliers on Alibaba.com, of which other dental equipments accounts for 13%, cleaning & filling teeth equipments accounts for 3%, and dental drill & accessories accounts for 2%. A wide variety of plastic dental tool options are available to you, such as 2 years, 1years, and 3 years.

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  • Review scaffold design and stem cells for tooth ...

    2013-2-1 · Recently, Yang et al. introduced a novel three-dimensional pellet cultivation technique for periodontal ligament stem cells (PDLSCs) with the aim of producing the accurate biological microenvironment that is similar to those of a regenerative milieu. Mono-dispersed human PDLSCs with ascorbic acid were cultured and conditioned in a medium from growing apical tooth germ …

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  • Digital Dental Impressions | Dental Care | Fryeburg Dental ...

    At Fryeburg Dental Center, we have a faster, more comfortable, more precise alternative. Our dentists take digital impressions using a small, handheld wand to create a computerized model of your teeth for perfect-fitting restorations and appliances. We lightly dust the tooth, or teeth, with a reflective material.

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  • (PDF) Accuracy of 3D-Printed Dental Models of Different ...

    Objective The accuracies of three-dimensional (3D) printed dental models using various digital light processing (DLP) and stereolithography (SLA) printers at different thicknesses were compared.

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  • Interactive Simulation of Teeth Cleaning

    2017-4-24 · For a realistic simulation of the teeth-brushing process three-dimensional models of the toothbrush and the jaws are needed. CAD models of different toothbrush handles were provided by our industrial partner, CT scans of plaster casts from individual probands were used as …

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  • Palatal surface and volume in mouth-breathing subjects ...

    Palatal surface and volume in mouth-breathing subjects evaluated with three-dimensional analysis of digital dental casts-a controlled study. Lione R(1), Franchi L(2), Huanca Ghislanzoni LT(3), Primozic J(4), Buongiorno M(5), Cozza P(1).

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  • (PDF) Three-dimensional measurement of enamel loss

    ized three-dimensional scanner (3DS). This scanner has a Reprint requests to: Dr. H. van Waes, Clinic for Orthodontics and resolution of 1 ~m, a reproducibility better than 1 txma° Pediatric Dentistry, Center for Dental and Oral Medicine, University of Zfirich, Plattenstrasse lI, …

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  • Cone beam CT in dental practice | British Dental Journal

    2009-7-11 · Cone Beam Computed Tomography (CBCT) is a relatively new technology to dentistry, used for the three-dimensional imaging of the teeth and …

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  • Sonic and ultrasonic scalers in periodontal treatment: a ...

    2007-1-23 · The sound level that exceeds this frequency is called ultrasonic sound. In dental units, equipment such as ultrasonic scalers, high-speed air turbine drills, high-volume evacuators, and amalgamators mostly produce high intensity noise that may be a potential hazard to the auditory system of the persons exposed to the ultrasound.

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  • USER GUIDE The ultrasound toothbrush

    2020-10-28 · Fastest tooth cleaning due to large range of action of ultrasound With Cleany Teeth, ultrasound has a broad range of action (wide-space effect). The width of the effective area clearly exceeds the actual bris - tle area (3 times wider than the brush head and radiates the ultrasound in ellipsoid-like, three-dimensional form, whose effective

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  • (PDF) BEM/FVM conjugate heat transfer analysis of a three ...

    2021-6-1 · The two-dimensional simulations showed that for a turbine spacing of 1.2D, the power coefficient was 15% higher for both turbines. Additionally, the three-dimensional simulations found an increase of at least 8%. Finally, Brownstein et al. conducted experiments of a pair of 5-bladed VAWTs in an open circuit, subsonic wind tunnel.

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  • Three-dimensional analysis of the relationship between the ...

    2018-12-27 · The purpose of this study is to investigate the interrelationship between tooth preparation and dental structure of Chinese maxillary central incisors and provide scientific guidance for clinical all-ceramic restoration. Forty-five specimens of maxillary central incisors were fabricated by 3D printer based on data of Micro CT scanning. Subsequently, every three …

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  • Three-dimensional analysis of the root canal preparation ...

    2021-2-25 · Sixty CBCT scans of the teeth were obtained from before and after root canal preparations. At the axial plane, slices were made at 0.5 mm, 1 mm, 2 mm, 3 mm, 4 mm, 5 mm, 6 mm and 7 mm, and measures of the root canal and the root were taken from vestibular to palatal and from mesial to distal for three-dimensional reconstruction.

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  • Amazon.com: dental drill

    Dental Polishing Bits, 10pcs Set Dental Drill Bits with Stable Concentricity, Suitable for Grinding Composite Resin and Ceramic Tooth (#1) 13.49. 13. . 49 (13.49/Count) 15% coupon applied at checkout. Save 15% with coupon. Get it as soon as Fri, Apr 30. FREE Shipping on orders over 25 shipped by Amazon.

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  • Effects of build orientation on adaptation of casting ...

    2021-2-26 · Three-dimensional evaluation of the repeatability of scanned conventional impressions of prepared teeth generated with white- and blue-light scanners J Prosthet Dent , 114 ( 2015 ) , pp. 549 - 553 Article Download PDF View Record in Scopus Google Scholar

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  • The effect of a manual instrumentation technique on five ...

    2011-6-15 · The study of dental and root canal morphology is a critical theme in endodontic education, training, and treatment [1–5].Together with diagnosis and treatment planning, a good knowledge of the root canal system and its frequent variations is an absolute necessity for successful root canal therapy [].Hess (1921) reported on the wide variation and complexity of …

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  • (PDF) HISTORY OF DENTAL RADIOGRAPHY: EVOLUTION

    2020-4-4 · To visualize three-dimensional relationships, the use of c omplementary angles and stereos copic viewing (Fig. 13) was proposed by W.S. Hedley in 1898 [ 34 ]. C.A. Clark elaborated on the parallax ...

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  • The Main Cleaning System Design of Garbage Sweeper ...

    1992-11-21 · Abstract. Some types of reused dental equipment, especially handpieces and their attachments for drilling and cleaning teeth, might be responsible for cross-contamination if patient material were to lodge temporarily in difficult-to-disinfect internal mechanisms. This possibility is worrisome with respect to transmission of hepatitis B and ...

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  • Cross-contamination potential with dental equipment ...

    Cone Beam CT Dental Imaging. Cone Beam Computed Tomography (CBCT) has similarities to traditional x-rays and standard CT scans but it’s a huge leap forward in diagnostic precision. With Cone Beam CT imaging, Dr. Harper and Dr. Hennessy can get a clear picture of the structures inside of the mouth, including the root canals, nerves and sinuses ...

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  • Cone Beam CT Dental Imaging | Dental Services | Fryeburg ...

    Browse 152 teeth 3d model stock photos and images available, or start a new search to explore more stock photos and images. human tooth - teeth 3d model stock pictures, royalty-free photos & images. the anatomy of a tooth - teeth 3d model stock pictures, royalty-free photos & images. a dental model being scanned with an automated 3d scanner ...

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  • Application Spotlight: 3D Printing for Digital Dentistry ...

    Objective The accuracies of three-dimensional (3D) printed dental models using various digital light processing (DLP) and stereolithography (SLA) printers at different thicknesses were compared.

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  • (PDF) Accuracy of 3D-Printed Dental Models of Different ...

    2010-1-1 · Read 'Two- and three-dimensional accuracy of dental impression materials: Effects of storage time and moisture contamination, Bio-Medical Materials and Engineering' on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

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  • Two- and three-dimensional accuracy of dental impression ...

    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), and/or 3) porous-coated …

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  • Current trends in dental implants - PubMed Central (PMC)

    2019-10-30 · The three dimensional model generated from the scan may be further used for study models, and for the design and manufacturing of dental restorations including implant supported prostheses and full and partial frameworks, and can be used to design and manufacture physical models of the teeth.

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  • Planmeca EmeraldTM User Manual

    2013-6-20 · Cleaning-Crystals solutions (CS) are widely used in conjunction with vibrating baths to remove dental plaque from patients' dentures.15 For this study, Invisalign Cleaning-Crystals were dissolved in water according to the manufacturer's instructions (Align Technology) to obtain cleaning CS. The Cleaning-Crystals are composed of sodium sulfate ...

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  • Efficacy of three hygienic protocols in ... - Allen Press

    Gas turbine combustion is a complex process, and it can be a challenge to achieve accurate and reliable CFD simulation results at a reasonable computational cost. ... and Barrett-Gonzalez, R.M., “The Effects of Planar Symmetry and Radiative Heat Losses in a Three-Dimensional Transient CFD Simulation of Right Angle Flow Through a Brayton ...

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  • Kids learn 'tooth' about oral health through dentist's ...

    2015-2-6 · The computed results show that the fully tree-dimensional turbulent flows computation can efficiently predict three-dimensional separated flows and viscous vortex in axial-flow impeller and vaneless clearance. Using the program, a designer can improve passage geometric design to enhance the performance of the fan.

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  • Gas Turbines - CONVERGE CFD Software

    FDA & CE approved ,Lovely Snail Children Dental Chair/Unit,External Little Cute Fish Floor Box,Hand Cart,Microfiber Leather. SKU: TR-KID-9. Rating: 100%. 2 Reviews. 4,300.00 As low as 3,900.00. Add to Cart. Wish List Compare. FDA & CE approved, Economical And Practical Dental Chair, Dental Unit, Built-in Tissue Box.

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