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three-dimensional dental handpiece turbine replacement made of polymer materials

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  • Three-dimensional comparative study on the accuracy

    Statement of problem: Studies investigating the precision of 3-dimensional (3D) printed casts for fixed prosthodontics are scarce. Purpose: The purpose of this in vitro study was to compare the accuracy and reproducibility of dental casts made by the conventional method and by 3D printing. Material and methods: A master model was designed and fabricated with polyetherketoneketone.

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  • Dental BeaRInGS - Dental Handpiece Parts Suppliers

    2015-9-16 · dental industry goes back over forty years as well, and NHBB is still the leading supplier of replacement bearings to the dental handpiece repair market in North America. As a single source, we are the most comprehensive supplier of dental handpiece bearings to every major OEM in the dental handpiece manufacturing industry. WoRlD claSS R&D NHBB and myonic are dedicated to meeting

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  • Scalable Three-Dimensional Photobioelectrodes Made

    2021-3-10 · Photobioelectrodes represent one of the examples where artificial materials are combined with biological entities to undertake semi-artificial photosynthesis. Here, an approach is described that uses reduced graphene oxide (rGO) as an electrode material. This classical 2D material is used to construct a three-dimensional structure by a template-based approach combined with a simple spin ...

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  • Three dimensional nanosuperstructures made of two ...

    2019-12-1 · Three-dimensional graphene foams derived from various templates through CVD have demonstrated high surface areas [59,60,152,153]. Those made of Ni foams offer a surface area up to 850 m 2 g −1, which can be modulated by tuning the number of layers deposited with different deposition time and flow rate . However, the intrinsic large pores of ...

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  • Comparison of Retention of Clasps Made of Different ...

    An undercut depth of 0.01inch was created on the mesiobuccal surface of the premolar and distobuccal surface of second molar. Three dimensional finite element model of clasp assembly was designed and assigned with the properties of two different materials namely acetal resin and cobalt-chromium in successive steps.

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  • The potential of three-dimensional printing

    2019-4-1 · A polymer is stored in a mobile vat/holder. The vat travels up or down following a light/laser source which polymerizes the polymer layer-by-layer (or continuously) into a three-dimensional structure. Polymers Ceramics: Fine resolution High quality: Limited materials Difficult workability Expensive technology: 5–10 , , Inkjet printing

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  • Characterizing the performance of dental air-turbine ...

    2008-1-1 · The dental air-turbine handpiece rapidly gained widespread acceptance by the dental profession after its introduction in the late 1950s and it continues to be used as the main means of carrying out cutting work in clinical dental practice, whether of tooth tissue or restorative materials.

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  • Three‐Dimensional Writing of Conducting Polymer

    2011-2-22 · Accurate and versatile three-dimensional writing of individually controlled conducting polymer nanodevices forming dense arrays is demonstrated by guiding a monomer meniscus in pulling a micropipette during oxidative polymerization. We specifically demonstrate well-defined dense arrays of various freestanding nanocomponents with controlled radius down to ∼50 nm: straight wires, …

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  • Electrodeposition of Three-Dimensional Titania

    2019-5-25 · To fabricate a photonic crystal with large and complete photonic bandgap, it often requires backfilling of high index inorganic materials into a 3D polymer template. However, the pore network may become disconnected before the template is completely filled in a conformal coating process, which, therefore, limits the achievable maximum bandgap in the 3D photonic crystals. Here, we demonstrate ...

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  • Additive Manufacturing of Polymer Materials:

    2021-2-28 · In the SLS process, powdered polymer materials such as nylon or polyetherketoneketone (PEKK) are sintered and complex 3D parts are generated by building successive layers of powder materials over each layer the powder particles are sintered using a laser beam in order to form a layer (Figure 4 d). The layers are built continuously until the final part is completely built.

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  • Major Base 20 | Armada

    Major Base 20 Denture base Poly(methylmethacrylate)-based polymer for dental prosthesis. Heat-processed polymer. Powder and liquid. Major.Base.20 has been developed in order to reach the highest odontotechnical standards and to exceed ISO 1567 requirements.

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  • Patient-Specific Surgical Implants Made of 3D Printed

    Additive manufacturing (AM) is rapidly gaining acceptance in the healthcare sector. Three-dimensional (3D) virtual surgical planning, fabrication of anatomical models, and patient-specific implants (PSI) are well-established processes in the surgical fields. Polyetheretherketone (PEEK) has been used, mainly in the reconstructive surgeries as a reliable alternative to other alloplastic ...

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  • Emerging trends in endodontic irrigation - Dental Journal

    handpiece is operated by depressing the light-touch on/off switch that activates the strong and flexible polymer tips. The three-speed sonic motor switch provides options of 10,000, 6,000 and 2,000 cycles per minute (cpm). When the handpiece is activated, the power defaults to 10,000cpm,

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  • Additive manufacturing of biomaterials

    The three attempts made at fabricating interconnected porous structures were successful with samples of three different porosities as 25%, 38%, and 60% by volume. Harrysson et al. demonstrated EBM manufacture of Ti64 structures with different densities ranging from 3.8% to 40%, and subjected them to compression and three-points bend flexural ...

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  • The Journal of the Japanese Society for Dental

    2018-4-6 · The upper and lower anterior teeth of 3 beagle dogs, were raised under strictly controlled conditions, were cut using air turbine handpiece or by Er:YAG laser irradiation. Changes in the pulp and dentin of these teeth were examined histopathologically under light microscope and scanning electron microscope (SEM).

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  • What Materials are Available for 3D Printing? A Guide

    2021-4-14 · Such materials are FDA approved and are safe for medical use. They can also be sterilized and so are quite popular for medical devices, surgical planning, implant sizing tools, research, etc. Polymer Powders Nylon Powder (PA11 & PA12) Nylon or PA11 & PA12 are the most popular polymer powder materials used in powder-based 3D printing technology.

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  • PowerPoint-presentatie

    2020-6-16 · a chemical reaction of molecules to form polymer chains or three-dimensional networks of molecules. A dental Polymerisation unit or Curing light is used for polymerisation (hardening) of light-cure-resin-based composites, used for filling cavities in a tooth. Composites are placed in the cavity while still in a soft, dough-like state.

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  • Dental handpiece and kit including same - COHEN

    Dental device for the investigation of the optical properties of tooth tissue: November, 2005: Hack et al. 20040038174: Applicator for liquid dental materials: February, 2004: Pameijer et al. 20050202363: Dental imaging and treatment system: September, 2005: Osterwalder: 20060019220: Sonophotodynamic therapy for dental applications: January ...

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  • Microstructure and mechanical properties of 3D

    2019-12-11 · Additive Manufacturing technology has a significant impact on the modern world because of its ability to fabricate highly complex computerized geometrics. Pure 3D-printed polymer parts have limited potential applications due to inherently inferior mechanical and anisotropic properties. For more utilization and versatility, the addition of fillers has enhanced their functionalities. 3D printing ...

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  • Patient-Specific Surgical Implants Made of 3D Printed

    Additive manufacturing (AM) is rapidly gaining acceptance in the healthcare sector. Three-dimensional (3D) virtual surgical planning, fabrication of anatomical models, and patient-specific implants (PSI) are well-established processes in the surgical fields. Polyetheretherketone (PEEK) has been used, mainly in the reconstructive surgeries as a reliable alternative to other alloplastic ...

    Get Price
  • Preprosthetic Surgery - Dental XP

    2010-10-8 · a welded, three-dimensionally stable construct. This results in a faster, stronger and more reliable way to apply resorbable fixation. The process is applied to a special resorbable polymer; 100% amorphous non-crystalline Resorb-x® poly-D-L-lactic acid, or PDLLA. Resorb-x® is a chemical substance made

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  • A review on 3D printed matrix polymer composites: its ...

    2019-12-11 · Additive Manufacturing technology has a significant impact on the modern world because of its ability to fabricate highly complex computerized geometrics. Pure 3D-printed polymer parts have limited potential applications due to inherently inferior mechanical and anisotropic properties. For more utilization and versatility, the addition of fillers has enhanced their functionalities. 3D printing ...

    Get Price
  • Major Base 20 | Armada

    Major Base 20 Denture base Poly(methylmethacrylate)-based polymer for dental prosthesis. Heat-processed polymer. Powder and liquid. Major.Base.20 has been developed in order to reach the highest odontotechnical standards and to exceed ISO 1567 requirements.

    Get Price
  • Additive manufacturing of biomaterials

    The three attempts made at fabricating interconnected porous structures were successful with samples of three different porosities as 25%, 38%, and 60% by volume. Harrysson et al. demonstrated EBM manufacture of Ti64 structures with different densities ranging from 3.8% to 40%, and subjected them to compression and three-points bend flexural ...

    Get Price
  • What Materials are Available for 3D Printing? A Guide

    2021-4-14 · Such materials are FDA approved and are safe for medical use. They can also be sterilized and so are quite popular for medical devices, surgical planning, implant sizing tools, research, etc. Polymer Powders Nylon Powder (PA11 & PA12) Nylon or PA11 & PA12 are the most popular polymer powder materials used in powder-based 3D printing technology.

    Get Price
  • The Journal of the Japanese Society for Dental

    2018-4-6 · The upper and lower anterior teeth of 3 beagle dogs, were raised under strictly controlled conditions, were cut using air turbine handpiece or by Er:YAG laser irradiation. Changes in the pulp and dentin of these teeth were examined histopathologically under light microscope and scanning electron microscope (SEM).

    Get Price
  • Microstructure and mechanical properties of 3D

    2007-5-1 · Class II slot cavities were made on both proximal sides of each molar using a #245 tungsten carbide bur (SS White, Great White Series, Lakewood, NJ, USA) in a water-cooled high-speed air turbine handpiece. All line angles were rounded. The gingival floor of the slot cavities was located at least 1.0 mm below the CEJ on the root surface.

    Get Price
  • Preprosthetic Surgery - Dental XP

    2010-10-8 · a welded, three-dimensionally stable construct. This results in a faster, stronger and more reliable way to apply resorbable fixation. The process is applied to a special resorbable polymer; 100% amorphous non-crystalline Resorb-x® poly-D-L-lactic acid, or PDLLA. Resorb-x® is a chemical substance made

    Get Price
  • Sonicflex Style Dental Fiber Optic Air Scaler Handpiece ...

    Kavo SONICflex style;. Fits for Kavo Multiflex Or MULTIflex LUX Coupling. Fits for KaVo Multiflex Or MULTIflex LUX Coupling. Model: Sonic S Multiflex. KAVO Multiflex LUX style Coupling. 6 Holes LED Kavo Multiflex Coupling.

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  • Microstructure and mechanical properties of 3D

    2021-4-14 · Such materials are FDA approved and are safe for medical use. They can also be sterilized and so are quite popular for medical devices, surgical planning, implant sizing tools, research, etc. Polymer Powders Nylon Powder (PA11 & PA12) Nylon or PA11 & PA12 are the most popular polymer powder materials used in powder-based 3D printing technology.

    Get Price
  • What Materials are Available for 3D Printing? A Guide

    2020-8-19 · BASF Ultrafuse 316L. Available on the Ultimaker Marketplace, BASF Ultrafuse 316L is a metal-polymer composite. It is compatible with Ultimaker’s desktop 3D printers, and is suitable for making tools, fixtures, jigs, small-batch parts, and functional components. DSM Arnitel ID 2060 HT and Clariant PA6/66GF 20 FR .

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  • How to 3D print with metal and which materials to

    Manufacturer of DENTAL EQUIPMENT - Dentmark Endomotor With Apex Loctor And One Blue File, Dentmark Dental 3rd Year Student Kit, Dental Air Scaler(Premium) and A6 Dental Ultrasonic Scaler offered by R&D Impex International, Ludhiana, Punjab.

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  • DENTAL EQUIPMENT - Dentmark Endomotor With

    2007-5-1 · Class II slot cavities were made on both proximal sides of each molar using a #245 tungsten carbide bur (SS White, Great White Series, Lakewood, NJ, USA) in a water-cooled high-speed air turbine handpiece. All line angles were rounded. The gingival floor of the slot cavities was located at least 1.0 mm below the CEJ on the root surface.

    Get Price
  • Gingival Microleakage of Class II Resin Composite ...

    The dental drill is a tool used by dentists to bore through tooth enamel as well as to clean and remove plaque from the tooth's surface. It is composed primarily of a handpiece, an air turbine, and a tungsten carbide drill bit. Denture. Dentures, or false teeth, are fixed or removable replacements for teeth.

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  • A Century of Innovations in Dentistry - Dental News

    Start studying Final Exam Study Guide Dental Materials. Learn vocabulary, terms, and more with flashcards, games, and other study tools. ... of the following is not a difference in t he functioning of a high-speed electrical handpiece and a high-speed air-turbine handpiece? ... Which of the following materials is an inorganic polymer? polysiloxane.

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  • Three-dimensional graphene-based polymer

    N2 - Motivated by the unique structure and outstanding properties of graphene, three-dimensional (3D) graphene-based polymer nanocomposites (3D-GPNCs) are considered as new generation materials for various multi-functional applications. This review presents an overview of the preparation, properties and applications of 3D-GPNCs.

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  • Large-Area Three-Dimensional Molecular Ordering of

    2010-11-5 · Materials (such as those found in some artificial muscle systems) that are used for stimulus-controlled bending or stretching, require long-range ordering so that local chemical triggers will result in long-range bending or flexing motions. Hosono et al. (p. [808][1]) observed that a sandwich of a polymethacrylate between uniaxially stretched Teflon sheets develops three-dimensional ordering.

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  • Fabrication of three-dimensional polymer photonic

    This letter describes an approach for recording three-dimensional (3D) periodic structures in a photosensitive polymer using a single diffraction element mask. The mask has a central opening surrounded by three diffraction gratings oriented 120° relative to one another such that the three first order diffracted beams and the nondiffracted laser beam give a 3D spatial light intensity pattern.

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  • The manufacture and characterization of composite

    2018-3-14 · In recent years, three-dimensional auxetic structures have attracted great interest. Generally, three-dimensional auxetic structures are of complicate geometries which make them difficult to fabricate, benefiting from the development of additive manufacturing technologies, many three-dimensional auxetic structures can be made from metals or polymers.

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  • Three-dimensional printing of continuous carbon fiber ...

    2018-4-13 · This paper focuses on the compression behavior of additively manufactured or three-dimensional printed polymer lattice structures of different configurations. The body-centered cubic lattice unit cell, which has been extensively investigated for energy absorption applications, is the starting point for this research.

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  • Compression behavior of three-dimensional printed

    Nano-scaled hydroxyapatite/polymer composite IV. Fabrication and cell adhesion properties of a three-dimensional scaffold made of composite material with a silk fibroin substrate to develop a percutaneous device. Tsutomu Furuzono PhD 1,2, Shoji Yasuda MS 1, Tsuyoshi Kimura PhD 1, Singo Kyotani MD 3, Junzo Tanaka PhD 4 & Akio Kishida PhD 1

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  • Nano-scaled hydroxyapatite/polymer composite IV ...

    2012-4-2 · Polylactic acid (PLA) is a bioresorbable polymer that is used in a number of clinical situations. Complex shapes of PLA are commonly machined for bone fixation and reconstruction. Solid free form fabrication methods, such as 3D printing, can produce complex-shaped articles directly from a CAD model. This study reports on the mechanical properties of 3D-printed PLLA parts. 3D printing is a ...

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  • Journal of Biomaterials Science, Polymer Edition

    2018-6-29 · A three-dimensional porous hydroxyapatite/collagen (HAp/Col) composite with a random pore structure was fabricated using freeze-drying processes; the self-organized HAp/Col nanocomposite with a weight ratio of 80.5:19.5, freeze-dried, was kneaded in 100 mM sodium phosphate buffer, frozen at −20°C and freeze-dried.

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  • Three-dimensional porous hydroxyapatite/collagen

    Functionally gradient materials(FGM)composed of titanium-apatite and titanium-fused quartz were made for dental use. Mixed powders of titanium and ceramics were packed into the mold of 6φ×20mm, compressed at the pressure of 500 MPa by the uniaxial or cold isostatic press(CIP).

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