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  • Three-dimensional printing technologies in the

    Purpose: Patients with maxillofacial deformities always seek for aesthetic prosthesis. Recently, three-dimensional printing technologies have been used for dental treatments on such patients. Case report: A 24-year-old man reported to the Department of Prosthodontics for replacement of his missing right ear induced by a trauma. A magnet-retained auricular prosthesis was planned for the patient.

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  • A three dimensional (3D) musculoskeletal finite

    Purpose: The purpose of this study was to evaluate the strain and stress distribution for DARSN alloplastic unilateral temporomandibular joint (TMJ) prosthesis and the effects on contralateral natural joint using a finite element analysis (FEA). Methods: The replacement of the TMJ may have complications like infection, failure of hardware, facial paralysis and perforation.

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  • Three-dimensional topographic and metrologic

    Background: Surface topography of dental implants has changed during the past few years; however, the last systematic study on this topic is dated 1993. Purpose: The aim of this study was to correlate dental implants by surface analysis. Materials and methods: A microtopographic analysis of 35 dental implants was performed using confocal laser scanning microscopy.

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  • Three-dimensional analysis of the relationship

    2018-12-27 · Three-dimensional analysis of the relationship between the structure of maxillary central incisor and the preparation of dental all-ceramic. Wang P(1), Sun F(1), Yu Q(1), Wu G(1). Author information: (1)Department of Prosthodontics, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, PR China.

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  • Three-dimensional effects and arm effects on

    2010-10-1 · Firstly, we compare the power coefficients obtained by using the numerical models (both two-dimensional and three-dimensional) with the experimental results reported by Templin .The basic specifications of the turbine are that the turbine is a one-blade turbine, the blade type is NACA0015 (curved blade, the detailed curvature can be found in Templin ), the solidity (Nc/R, where N and c …

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  • Three-Dimensional Cell Culture Models to Investigate

    Three-dimensional (3-D) cell culture models, such as spheroids, organoids, and organotypic cultures, are more physiologically representative of the human tumor microenvironment (TME) than traditional two-dimensional (2-D) cell culture models. They have been used as in vitro models to investigate var …

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  • (PDF) Development of three-dimensional patient face

    They are normally made of stainless steel, diamond grit or particles, and tungsten carbide and fitted to a dental drill incorporating an air turbine. The dental bur was developed <300 years ago [8] and still widely used. The dental bur [4,8,9] has three parts: the head, the neck, and the shank. The head contains the blades, which produce cutting action by rotary motion.

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  • Dental Drill - an overview | ScienceDirect Topics

    2020-1-22 · A dental air-turbine handpiece system consists of a head, neck, body and coupler, as shown in Fig. 1. The head consists of an impeller and housing, and the impeller rotates at a high speed by means of air flow. An air supply tube goes through the neck, body and coupler; it supplies compressed air to the head. Fig. 1.

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  • Optimum Design of the Dental Air-Turbine Handpiece

    This study presents a method of using the six-degrees of freedom (6-DOF) feature with three-dimensional (3D) conditions to open flume turbine (OFT) simulation.

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  • Three-dimensional analysis of the relationship

    2018-12-27 · Three-dimensional analysis of the relationship between the structure of maxillary central incisor and the preparation of dental all-ceramic. Wang P(1), Sun F(1), Yu Q(1), Wu G(1). Author information: (1)Department of Prosthodontics, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, PR China.

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  • Denture flask fabrication using fused deposition

    2020-4-1 · Purpose. This paper describes a method for making a customized denture flask using fused deposition modeling (FDM) by three-dimensional (3D) printing. We have proposed a new digital dental prosthesis using conventional dental base materials and artificial teeth.

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  • Three-dimensional differences between intraoral

    1. J Prosthet Dent. 2020 Feb;123(2):264-268. doi: 10.1016/j.prosdent.2019.04.004. Epub 2019 May 29. Three-dimensional differences between intraoral scans and conventional impressions of edentulous jaws: A …

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  • The potential of three-dimensional printing

    The potential of three-dimensional printing technologies to unlock the development of new 'bio-inspired' dental materials: an overview and research roadmap. Saratti CM(1), Rocca GT(2), Krejci I(2). Author information: (1)Division of Cariology and Endodontology, School of Dentistry, University of Geneva, Geneva, Switzerland.

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  • Volumetric evaluation and three-dimensional

    2018-10-1 · A clinical study comparing the three dimensional accuracy of a working die generated from two dual-arch trays and a complete- arch custom tray J. Prosthet. Dent. , 90 ( 2003 ) , pp. 228 - 234 , 10.1016/S0022-3913(03)00237-3

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  • 3D printing in dentistry | British Dental Journal

    2015-12-11 · Manufacturers have used 3D printing technology to create novel dental implants 32 with a porous or rough surface. 48 We must be careful, however, not …

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  • Bioactive, degradable and multi-functional three ...

    2020-6-23 · Bioactive, degradable and multi-functional three-dimensional membranous scaffolds of bioglass and alginate composites for tissue regenerative applications P. Bargavi , a R. Ramya , b S. Chitra , a S. Vijayakumari , a R. Riju Chandran , a D. Durgalakshmi , c P. …

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  • Evaluation of Stress Distribution in Tooth‐Supported

    2020-1-23 · Purpose. To evaluate the influence of the framework designs on the stress distribution within tooth‐supported partially veneered fixed dental prostheses (FDPs) made of translucent zirconia under simulated loads using a three‐dimensional finite element analysis (3D‐FEA).

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  • Accuracy of Three‐Dimensional Printed Templates for

    2015-4-28 · Additionally, digital templates (D‐temp) using the identical planning data sets and software were virtually designed and three‐dimensional printed, after matching a surface scan with CBCT data. The accuracy of both templates for each planning was evaluated determining the estimated coronal, apical, and angular deviation if templates were ...

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  • 30 questions with answers in PRINTING, THREE

    2021-6-27 · Review and cite PRINTING, THREE-DIMENSIONAL protocol, troubleshooting and other methodology information | Contact experts in PRINTING, THREE-DIMENSIONAL to get answers

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  • Analysis of tooth movement in extraction cases using

    2020-1-22 · An air-turbine and associated air supply tube was optimized as a dental air-turbine handpiece system. The system consists of an air-turbine with an impeller and a housing, and an air supply tube which supplies compressed-air to the air-turbine. The flow characteristics of the dental air-turbine handpiece system were investigated using ANSYS CFX.

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  • Optimum Design of the Dental Air-Turbine Handpiece

    An example of the flow through a turbine nozzle guide vane is presented. Experimental data are compared with the results from the quasi-three-dimensional system, a fully three-dimensional program and an unlinked two-dimensional system. The results from the quasi-three-dimensional …

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  • A Quasi-Three-Dimensional Turbomachinery Blade

    2015-12-11 · surface of three-dimensional cams did not facilitate the fine-tuning of the preset fuel schedule, and controlling it based on exhaust gas temperatures was difficult [9]. 4.0 Digital Electronic Engine Control (DEEC) Mechanical control systems when integrated with newer turbine engines suffered from the inherent

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  • Aircraft turbine engine control systems development

    Three-dimensional morphological evaluation of the hard palate in Korean adults with mild-to-moderate obstructive sleep apnea. Yu C(1), Ahn HW(2), Kim SH(2). Author information: (1)Department of Orthodontics, Medical College of Xiamen University, Xiamen, China. (2)Department of Orthodontics, Graduate School, Kyung Hee University, Seoul, Korea.

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  • Three-dimensional morphological evaluation of the

    2016-5-12 · Three-dimensional numerical simulation for a prototype pump-turbine has been performed to investigate the transient characteristics and flow behaviors in the startup process. The rotational speed, which varies with runner torque and inertial of the rotating systems, is obtained by hydraulic-force coupling method.

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  • Three-dimensional simulation of unsteady flows in a

    2018-11-1 · Three dimensional volumetric flow field visualisation of the wake of a miniature tidal turbine have been presented by Chamorro et al. up to 5D behind the turbine. The small-scale wake measurements revealed detailed information about dynamic wake features such as the wake expansion being proportional to one-third-power law.

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  • Experimental study of wake characteristics in tidal ...

    2017-9-1 · Usually, high speed air-turbine dental handpieces operate at 200,000 to 400,000 revolutions per minute [5]. The main part of the dental air turbine is its high speed rotor head consisting of a casing with air inlet and outlet nozzles, impeller, spindle, chuck …

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  • A Numerical Study on Performance of Dental Air

    2008-1-24 · Three-dimensional sequences with T2 and T2* images have been advocated as the techniques best suited for demonstration of the sixth, seventh, and eighth nerves, etc. (3-5). Dailiana et al ( 3 ) defined the anatomy of the facial nerve with 3D gradient-recalled acquisition in the steady state (GRASS) (3D-FISP) sequence techniques.

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  • 3‐T imaging of the cranial nerves using

    Over the last decade, more than 100,000 hip replacements have been 3D printed by GE Additive. The Delta-TT Cup designed by Dr. Guido Grappiolo and LimaCorporate is made of Trabecular Titanium, which is characterized by a regular, three-dimensional, hexagonal cell structure that imitates trabecular bone morphology.

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  • Advanced And Refurbished, Oral-Safe dental

    Glass ionomer cement material Fluoroaluminosilicate glass powder and polyacrylate solution application restorative filling of class 111, V cavities, wedge-shaped defect, liner & base shade three colors package 3bottles powder*20g+3bottle liquid*16ml quantity high quality material high compression strength, low polymerization heat certificate ISO13485; CE warranty three years About the dental ...

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  • W&H - Perfecta 300/600

    We are an Open Access publisher and international conference Organizer. We own and operate 500 peer-reviewed clinical, medical, life sciences, engineering, and management journals and hosts 3000 scholarly conferences per year in the fields of clinical, medical, pharmaceutical, life sciences, business, engineering and technology.

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  • Open Access Journals | Scientific Conferences and

    2004-7-21 · The three-dimensional shape of the dental insertion element of that embodiment accordingly comprises, corresponding to the first part-circle seen in cross-section, a part-cylinder cut along the cylinder axis, which then passes into a curved portion of any shape corresponding to the at least one curved line seen in cross-section.

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  • Dental insertion element of non-cylindrical shape -

    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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  • Woodpecker Dental Products at Best Price Online ...

    2021-7-23 · Material and Methods: Three IDB techniques were studied using polyvinyl siloxane (PVS) putty, vacuum-form (VF), and glue gun (GG). A total of 120 orthodontic stone models were fabricated with die stone, out of which bonding was done on 60 working models and transferred to other 60 patient models. One quadrant was selected for each technique ...

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  • The legal minefield of 3-D printed guns - Phys.org

    In a small and medium-sized dental facility, the correct management of the sterilisation and presterilisation phases plays a fundamental role in good management of instruments and personnel, in order to ensure conditions that are more efficient with less down time. Nowadays, instrument sterilizers are increasingly efficient in achieving results, both in terms of time and size, and ensure that ...

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  • Measurement and Comparison of Bracket Transfer

    2016-11-2 · Each of the three Gas Turbine Generator Sets (GTGS) is rated at 2500 KW and supplies 450 VAC, three-phase, 60 HZ power. #1 GTGS is located in Auxiliary Machinery Room #1, #2 GTGS is located in Main Engine Room #2, and #3 GTGS is located in #3 Generator Room. The GTGS are separated from each other by three watertight bulkheads for survivability.

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  • Sterilisation in Dentistry: A Review of the Literature

    1 天前 · ProX SLS 6100. Production-grade nylon 3D printer delivering best-in-class part quality, fast build times and automated production tools. ProX 800. SLA quality at high throughput to address the broadest range of applications. ProJet MJP 2500/2500 Plus. MultiJet Printing Quality, Speed and Ease of Use Made Accessible.

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  • W&H - Perfecta 300/600

    2021-7-23 · Material and Methods: Three IDB techniques were studied using polyvinyl siloxane (PVS) putty, vacuum-form (VF), and glue gun (GG). A total of 120 orthodontic stone models were fabricated with die stone, out of which bonding was done on 60 working models and transferred to other 60 patient models. One quadrant was selected for each technique ...

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  • Measurement and Comparison of Bracket Transfer

    Dental Handpiece - Buy handpiece dental for Teeth from Dentalkart Online Dental Store. World's Leading Online Dental Shopping Site. Buy Wide range of Online dental airotor handpiece, surgical handpiece dental, dental straight handpiece. Free Shipping. Cash on delivery option is available.

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  • Dental Handpiece - Buy Wide Range of Best Dental ...

    We are an Open Access publisher and international conference Organizer. We own and operate 500 peer-reviewed clinical, medical, life sciences, engineering, and management journals and hosts 3000 scholarly conferences per year in the fields of clinical, medical, pharmaceutical, life sciences, business, engineering and technology.

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  • Open Access Journals | Scientific Conferences and

    2016-2-29 · Introduction. Splinting has been advocated after repositioning of a tooth/teeth to stabilize the tooth/teeth and to optimize healing outcomes for the pulp and/or the periodontal ligament. 1 A splint has been defined as ‘an apparatus used to support, protect or immobilize teeth that have been loosened, replanted, fractured or subjected to certain endodontic surgical procedures’. 2 ...

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  • The legal minefield of 3-D printed guns - Phys.org

    In a small and medium-sized dental facility, the correct management of the sterilisation and presterilisation phases plays a fundamental role in good management of instruments and personnel, in order to ensure conditions that are more efficient with less down time. Nowadays, instrument sterilizers are increasingly efficient in achieving results, both in terms of time and size, and ensure that ...

    Get Price
  • 3DPrint.com | The Voice of 3D Printing Additive ...

    2016-11-2 · Each of the three Gas Turbine Generator Sets (GTGS) is rated at 2500 KW and supplies 450 VAC, three-phase, 60 HZ power. #1 GTGS is located in Auxiliary Machinery Room #1, #2 GTGS is located in Main Engine Room #2, and #3 GTGS is located in #3 Generator Room. The GTGS are separated from each other by three watertight bulkheads for survivability.

    Get Price