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  • Enamel aerosols created during use of the air turbine ...

    Enamel aerosols created during use of the air turbine handpiece J Dent Res. Mar-Apr 1967;46(2):409-16. doi: 10.1177/00220345670460021701.

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  • Machinability of high-speed enamel cutting with carbide ...

    2020-3-1 · The general pressure range for cutting is between 0.2 MPa and 0.35 MPa, and the bur rotating speed can achieve 250–360 krpm. Because of the low torque of this dental high-speed air-turbine handpiece, it is easy to reduce the bur rotating speed during the cutting process (Westland, 1980). In the enamel-cutting process, the rotating speed of the carbide bur is decreased with the …

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  • High and low torque handpieces: cutting dynamics, enamel ...

    2000-6-24 · At a low advance rate of 1 mm/minute the results for both the air turbine and the speed increasing handpiece were comparable.

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  • Elastic modulus and stress–strain response of human

    Nano-indentation with a sharp (Berkovich) and two spherical indenters with nominal tip radii of 5 and 20 μm was used to determine the elastic modulus and stress–strain response of human enamel.Indentation tests were made over a wide range of peak loads from 1 to 450 mN in two orthogonal directions, i.e., parallel and perpendicular to enamel prisms.

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  • Dental high-speed cutting of porous-machinable-ceramic ...

    The composites exhibited a hardness, smaller and analogous to that of bovine enamel. Weight-load cutting tests were performed on the composites and bovine enamel, employing diamond points driven by an air-turbine handpiece. While the applied load was increased stepwise, we measured the rotational cutting speed and the cutting volume.

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  • Clinical Investigation of Nano-hybrid Resin Composite ...

    2016-3-12 · SDR flowable RBC as a liner under class II nano hybrid resin composite restorations. Patients and methods In this study two flowable lining materials, SureFil SDR and Filtek Z350 XT Flow were used. The restorative system used was the two steps etch and rinse Prime & Bond NT adhesive system with a nano hybrid Esthet.x HD resin dental composite.

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  • Contamination by air turbine handpieces | British Dental ...

    2005-5-28 · The gravimetric tests showed that oil continued to be discharged up to at least 240 minutes, and that the usual practice of removing excess lubricant by …

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  • Turgopower Turbine System, 4 kw - Rickly Hydro

    Turgopower Turbine System, 4 kw. Model TSS-1100 Turgo turbine operates from 30 ft (10m) net head and flows up to 5 cfs (150L/S) generating up to 30 kW on a direct drive Turgo Turbine. The key to this range is that the size of the individual buckets, number of buckets on the runner, pitch diameter of the runner can be varied with hundreds of ...

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  • European Dental Turbine Market (2020 to 2026) - by Speed ...

    2021-1-15 · Dublin, Jan. 15, 2021 (GLOBE NEWSWIRE) -- The 'Europe Dental Turbine Market By Speed (High and Low), By End Use (Dental Office and Hospital), By Country, Industry Analysis and Forecast, 2020 - 2026' report has been added to ResearchAndMarkets.com's offering. The Europe Dental Turbine Market is expected to witness market growth of 24% CAGR during the forecast …

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  • European Dental Turbine Market (2020 to 2026) - by Speed ...

    2021-1-15 · Dublin, Jan. 15, 2021 (GLOBE NEWSWIRE) -- The 'Europe Dental Turbine Market By Speed (High and Low), By End Use (Dental Office and Hospital), By Country, Industry Analysis and Forecast, 2020 ...

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  • Machinability of high-speed enamel cutting with carbide ...

    The cutting of tooth enamel using a high-speed air-turbine handpiece and carbide bur is a key procedure in oral surgeries, such as the minimally invasive extraction. However, presently little is known about the cutting mechanics and material removal mechanism related to tooth enamel machinability. In this study, the machinability of high-speed ...

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  • High-speed air turbine - British Dental Association

    2021-6-29 · High-speed air turbine. Prior to its development in the late 1950s drills had been driven by electricity. With the air turbine the burr is turned by air pressure and can reach speeds of up to 500,000 revolutions per minute. This speed generates a lot of heat which can cause irreparable damage to the pulp so the drill is always fitted with a ...

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  • High and low torque handpieces: cutting dynamics, enamel ...

    Objective: The aim of these experiments was to compare the cutting dynamics of high-speed high-torque (speed-increasing) and high-speed low-torque (air-turbine) handpieces and evaluate the effect of handpiece torque and bur type on sub-surface enamel cracking. Temperature changes were also recorded in teeth during cavity preparation with high and low torque handpieces with …

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  • High and low torque handpieces: cutting dynamics, enamel ...

    2000-6-24 · Objective The aim of these experiments was to compare the cutting dynamics of high-speed high-torque (speed-increasing) and high-speed low-torque (air-turbine) handpieces and evaluate the effect ...

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  • Clinical Investigation of Nano-hybrid Resin Composite ...

    2016-3-12 · SDR flowable RBC as a liner under class II nano hybrid resin composite restorations. Patients and methods In this study two flowable lining materials, SureFil SDR and Filtek Z350 XT Flow were used. The restorative system used was the two steps etch and rinse Prime & Bond NT adhesive system with a nano hybrid Esthet.x HD resin dental composite.

    Get Price
  • Flowable Bulk-Fill Materials Compared to Nano Ceramic ...

    2019-9-25 · Cavities were prepared with turbine burs (NTI-Kahla GmbH Rotary Dental Instruments, Kahla, Germany) under water-cooling. The selective etching of enamel with 37% phosphoric acid and application of the bonding agent Prime and bond NT (Dentsply) was conducted after the disinfection of prepared cavities with 1% chlorhexidine.

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  • Machinability of enamel under grinding process using ...

    2019-11-3 · Enamel grinding is a critical dental surgery process. However, tooth damage during the process remains a significant problem. Grinding forces, burr wear, and surface quality were characterised in relation to grinding speed, enamel orientation, …

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  • European Dental Turbine Market (2020 to 2026) - by Speed ...

    2021-1-15 · Dublin, Jan. 15, 2021 (GLOBE NEWSWIRE) -- The 'Europe Dental Turbine Market By Speed (High and Low), By End Use (Dental Office and Hospital), By Country, Industry Analysis and Forecast, 2020 - 2026' report has been added to ResearchAndMarkets.com's offering. The Europe Dental Turbine Market is expected to witness market growth of 24% CAGR during the forecast …

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  • Dental Turbine European Market to 2026 - Industry Analysis ...

    2021-1-18 · The 'Europe Dental Turbine Market By Speed (High and Low), By End Use (Dental Office and Hospital), By Country, Industry Analysis and Forecast, 2020 - …

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  • Dental air turbine handpiece performance testing* - Dyson ...

    Air turbine handpieces are expected to continue to be widely used as the main means of carrying out dental cutting work and scope exists for further design improvements. An understanding of the theoretical principles governing the performance of these devices seems essential for the systematic development of better handpiece designs and methods ...

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  • Dental air turbine low speed handpiece ... - artspadental.net

    Dental equipment contra angle 20:1 reduction speed implant dental handpiece 180.00/piece Dental air turbine low speed handpiece contra angle

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  • High-speed air turbine - British Dental Association

    2021-6-29 · High-speed air turbine. Prior to its development in the late 1950s drills had been driven by electricity. With the air turbine the burr is turned by air pressure and can reach speeds of up to 500,000 revolutions per minute. This speed generates a lot of heat which can cause irreparable damage to the pulp so the drill is always fitted with a ...

    Get Price
  • Lab Air-Z High Speed Turbine – Shofu USA

    Lab Air-Z High Speed Turbine. High-speed turbine is a robust, ultra-quiet, precision instrument designed for extended laboratory duty with speeds of 360,000 rpm. PN 5339 • Lab Air-Z Oil-Free System. Includes hand piece, foot air controller, air filter/pressure regulator, mounting bracket.

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  • European Dental Turbine Market (2020 to 2026) - by Speed ...

    2021-1-15 · Dublin, Jan. 15, 2021 (GLOBE NEWSWIRE) -- The 'Europe Dental Turbine Market By Speed (High and Low), By End Use (Dental Office and Hospital), By Country, Industry Analysis and Forecast, 2020 - 2026' report has been added to ResearchAndMarkets.com's offering. The Europe Dental Turbine Market is expected to witness market growth of 24% CAGR during the forecast …

    Get Price
  • About Giomer – Shofu USA

    The nano-hybrid-sized particles provide the high level of polishability dentists have come to expect in today’s premium restorative materials. Our unique filler structure gives GIOMER restoratives the light transmission and diffusion properties of both dentin and enamel to blend well with surrounding dentition without the need for complex ...

    Get Price
  • Dental Turbine European Market to 2026 - Industry Analysis ...

    2021-1-18 · The 'Europe Dental Turbine Market By Speed (High and Low), By End Use (Dental Office and Hospital), By Country, Industry Analysis and Forecast, 2020 - 2026' report has been added to ResearchAndMarkets.com's offering.. The Europe Dental Turbine Market is expected to witness market growth of 24% CAGR during the forecast period (2020-2026). A dental turbine is …

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  • Contamination by air turbine handpieces | British Dental ...

    2005-5-28 · Within dental practice the use of ball-bearing type air-turbine handpieces is common and routine lubrication for reduced friction and associated wear and increased corrosion protection.

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  • Comparison of the Shear Bond Strength of Resin Modified ...

    2013-3-31 · Laser technology has been presented as an alternative option to replace the conventional high speed turbine. This technology offers the patient comfort by reducing the pressure, heat, vibration and noise produced by a rotary instrument [11,12]. Using laser for etching enamel was preferred because of the disadvantages of acid etching.

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  • Quantitative assessment of the enamel machinability in ...

    2014-10-7 · Enamel cutting using dental handpieces is a critical process in tooth preparation for dental restorations and treatment but the machinability of enamel is poorly understood. This paper reports on the first quantitative assessment of the enamel machinability using computer-assisted numerical control, high-speed data acquisition, and force ...

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  • Chapter 35 Dental Handpieces and accessories Flashcards ...

    What are the 2 most common dental handpieces. High speed and low speed. What performed most of the work in the handpiece. Turbine. What type of pressure does the handpiece run on. Air pressure. The low speed handpiece is also called. low speed motor or straight handpiece. One of the most versatile handpieces used by dental team.

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  • Dental high-speed cutting of porous-machinable-ceramic ...

    The composites exhibited a hardness, smaller and analogous to that of bovine enamel. Weight-load cutting tests were performed on the composites and bovine enamel, employing diamond points driven by an air-turbine handpiece. While the applied load was increased stepwise, we measured the rotational cutting speed and the cutting volume.

    Get Price
  • Research Article Enamel and Dentin Surface Finishing ...

    2019-7-31 · Enamel and Dentin Surface Finishing Influence on the ... study evaluating porcelain laminate veneers up to years, survival rates of % for veneers with preparations con ned to enamel and % for veneers with enamel-only margins ... on a high-speed turbine handpiece and …

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  • About Giomer – Shofu USA

    The nano-hybrid-sized particles provide the high level of polishability dentists have come to expect in today’s premium restorative materials. Our unique filler structure gives GIOMER restoratives the light transmission and diffusion properties of both dentin and enamel to blend well with surrounding dentition without the need for complex ...

    Get Price
  • European Dental Turbine Market (2020 to 2026) - by Speed ...

    2021-1-15 · Dublin, Jan. 15, 2021 (GLOBE NEWSWIRE) -- The 'Europe Dental Turbine Market By Speed (High and Low), By End Use (Dental Office and Hospital), By Country, Industry Analysis and Forecast, 2020 - 2026' report has been added to ResearchAndMarkets.com's offering. The Europe Dental Turbine Market is expected to witness market growth of 24% CAGR during the forecast period (2020-2026).A dental turbine …

    Get Price
  • European Dental Turbine Market (2020 to 2026) - by Speed ...

    2021-1-15 · Dublin, Jan. 15, 2021 (GLOBE NEWSWIRE) -- The 'Europe Dental Turbine Market By Speed (High and Low), By End Use (Dental Office and Hospital), By Country, Industry Analysis and Forecast, 2020 - 2026' report has been added to ResearchAndMarkets.com's offering. The Europe Dental Turbine Market is expected to witness market growth of 24% CAGR during the forecast period (2020-2026). A dental …

    Get Price
  • Dental Turbine European Market to 2026 - Industry Analysis ...

    2021-1-18 · The 'Europe Dental Turbine Market By Speed (High and Low), By End Use (Dental Office and Hospital), By Country, Industry Analysis and Forecast, 2020 - 2026' report has been added to ResearchAndMarkets.com's offering.. The Europe Dental Turbine Market is expected to witness market growth of 24% CAGR during the forecast period (2020-2026). A dental turbine is …

    Get Price
  • Dental Turbine European Market to 2026 - Industry Analysis ...

    2021-1-18 · The 'Europe Dental Turbine Market By Speed (High and Low), By End Use (Dental Office and Hospital), By Country, Industry Analysis and Forecast, 2020 - …

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  • dental handpiece Flashcards | Quizlet

    Start studying dental handpiece. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Search. ... disadvantages of high speed air turbine handpieces. have poor concentricity after a relatively short period of use high pitched, loud noise ... (enamel, cast metal alloys, or porcelain)

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  • Dental air turbine low speed handpiece ... - artspadental.net

    Dental equipment contra angle 20:1 reduction speed implant dental handpiece 180.00/piece Dental air turbine low speed handpiece contra angle

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  • Factors Affecting Dental Air-Turbine Handpiece Bearing ...

    2012-7-1 · The turbine assembly free-running speed at 2.0 bar and bearing resistance were measured at baseline and after every 10 cycles until failure using a purpose-made instrument (Darvell-Dyson Handpiece Tester, Dental Materials Science, University of Hong Kong). 14 Each test condition was applied, as appropriate, according to the following procedures.

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  • Benefits of the Latest High Speed Dental Handpieces ...

    2020-2-9 · Types of high speed dental handpieces. High speed handpieces are made with one of two systems - electrical and air turbine driven. The electric models generally have up to 200,000 RPM speed capacity, with consistent torque, however they tend to be quieter, and cause less vibration. Air turbine driven handpieces offer much higher speed, up to ...

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  • Benefits of the Latest High Speed Dental Handpieces

    2020-11-19 · Air turbine driven handpieces offer much higher speed, up to 400,00 rpm, with variable torque. Common uses for high speed handpieces High speed dental handpieces are used for many purposes:

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  • Dental Turbine European Market to 2026 - Industry Analysis ...

    2021-1-18 · The 'Europe Dental Turbine Market By Speed (High and Low), By End Use (Dental Office and Hospital), By Country, Industry Analysis and Forecast, 2020 - …

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  • China Dental Interproximal Enamel Reduction Ipr Contra ...

    Interproximal Enamel, Dental Interproximal Enamel, Dental Equipment manufacturer supplier in China, offering Dental Interproximal Enamel Reduction Ipr Contra Angle Orthodontic Enamel Removal Set, Wireless Plastic Body Dental LED Curing Cure Light 5 Watts, Dental Plastic Body LED Curing Light /Wireless Curing Light and so on.

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  • Repairing human tooth enamel with leucine-rich amelogenin ...

    2021-5-21 · enamel remineralization have included the use of b-sheet forming peptides,8 electrospun mats of ACP/poly (vinyl-pyrrolidone) nanofibers,9 amelogenin-releasing system,10 and casein phosphopeptide stabilized ACP.11 Yamagishi et al. have developed a dental paste that upon application on the enamel surface, under acidic pH, resulted in the

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  • Estimation of Losses on 3Φ Nano Coated Induction Motor ...

    Stator losses were reduced up to 16.7% by coating the windings of the motor with the enamel filled with nano fillers of SiO 2 and Al 2 O 3 whereas rotor copper losses were high in the nano coated motor. The output mechanical power developed by the normal motor was increased by 39% with the application of the nano fillers to the enamel used for ...

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  • Repair of dentine-related lesions without a drill or ...

    conventional dental cavity preparation equipment (ELQUIP, São Carlos, SP, Brazil). This machine has three digital micrometers attached to the table and coordinates a system to support a high-speed turbine that determines the depth of wear and the inclination of a rotating device. Elongated inverted cone drills

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