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  • Cleaning and Shaping the Root Canal System | Pocket

    2020-4-18 · Peeso drills are also used in the electric slow-speed handpiece; the rotational speed is the range of 800 to 1200 rpm; the cutting flutes are more parallel and longer compared to GG drills but shorter than the 16 mm prescribed for ISO-normed hand files. Peeso drills are classified as type P and type B-l, as defined by ISO norm 3630-2.

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

    2008-1-1 · There are arguments for and against electric devices. 198 Even so, future developments of both turbine and speed-increasing handpieces will depend on the availability of components such as bearings that will have lower maintenance requirements and improved longevity. Given that the designs of dental air turbines have changed little since they were first commercially introduced, …

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  • Endodontics: Part 5 Basic instruments and materials for ...

    2015-1-12 · An access cavity of normal size and shape is created in the crown to a depth equal to that of the pulp chamber floor in a non-calcified tooth. It is essential to remember that the pulp chamber is always located in the centre of the tooth at the level of the cementoenamel junction (CEJ), which is the most consistent repeatable landmark for locating the pulp chamber.

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  • Root canals-from concretion to patency Chaman C, Garg P ...

    Basic Guide to Dental Instruments - Wiley-Blackwell; 2nd Edition 2011.pdf

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  • (PDF) Basic Guide to Dental Instruments - Wiley-Blackwell ...

    Mean values of fracture strength were calculated as 82.0 ± 27.3 MPa for the control group ( n = 10 ), 104.5 ± 26.3 MPa for high speed drill treatment ( n = 10 ), 96.1 ± 28.1 MPa for Er,Cr:YSGG ...

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  • Basic study on vibrations during tooth preparations caused ...

    2020-1-1 · Laboratory-based CAD software designs the preparation and then designs and prints three sets of 3D surgical guides for preparing the tooth (one guide each for buccal, lingual, and occlusal surfaces). At the same time, the definitive crown or bridge is designed and printed (usually from zirconia). Only then are the guides, a unique burr, and the final restoration sent to the …

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  • Digital dentistry: The new state of the art — Is it ...

    2020-1-1 · Significance. With disruptions intrinsic in digital dentistry’s new state of the art, patient experience has improved. More restoration options are available delivering longer lifetimes, and better esthetics. Fresh approaches are bringing greater efficiency and accuracy, capitalizing on the interest, capabilities, and skills of those involved.

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  • Instrument seperation and its management

    2008-1-1 · 1.1. Outline. After briefly outlining the general importance of air-turbine handpieces in dentistry (Section 1.2), a historical account of their development puts their present status into context (Section 1.3).However, in order to understand performance in general, it is necessary to recognize the large number of factors involved, and their complex interactions (Section 1.4).

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

    2020-5-15 · A61Q 11/00 ; { dental prostheses A61C 13/00 ; apparatus or methods for oral or dental hygiene A61C}) NOTE In groups A61K 6/00 - A61K 6/0044 and A61K 6/083 - A61K 6/10 , the use of specific polymers is indicated by addition of classification symbols of the subclass C08L preceded by the sign '+', e.g. compositions for taking dental impressions

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  • CPC - Compilation of Changes to the Scheme

    Dental treatment water: Nonsterile water used during dental treatment, including irrigation of nonsurgical operative sites and cooling of high-speed rotary and ultrasonic instruments. Disinfectant: A chemical agent used on inanimate objects (e.g., floors, walls, or sinks) to destroy virtually all recognized pathogenic microorganisms, but not ...

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  • Guidelines for Infection Control in Dental Health-Care ...

    US7261561B2 US11/182,093 US18209305A US7261561B2 US 7261561 B2 US7261561 B2 US 7261561B2 US 18209305 A US18209305 A US 18209305A US 7261561 B2 US7261561 B2 US 7261561B2 Authority US United States Prior art keywords mounting arm driven driver activator Prior art date 2005-07-15 Legal status (The legal status is an assumption and is not a legal conclusion.

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  • US7261561B2 - Vibrational driver for endodontic activators ...

    Various apparatus and methods for cleaning teeth and gingival pockets are disclosed herein. A fluid platform can include a pressure wave generator configured to propagate pressure waves through a treatment fluid. The pressure waves may be sufficient to remove undesirable dental deposits from a treatment tooth, neighboring gums, and/or spaces between the tooth and gums.

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  • US20140099597A1 - Apparatus and methods for cleaning

    Finances in Germany. Understanding your money management options as an expat living in Germany can be tricky. From opening a bank account to insuring your family’s home and belongings, it’s important you know which options are right for you. To find out how you can make your money go further, read our guides to finance in Germany.

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  • Finances in Germany - Expat Guide to Germany | Expatica

    Tariff Schedule of Canada Tariff Item - Description of Goods - Base Rate - Staging Category Part 4 - Items 8415.90.21 - 9706.00.00

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  • Tariff Schedule of Canada – Part 4

    In addition to protecting workers from falling or flying objects, head protection affords limited protection from electric shock and burn. Head protection must meet ANSI Z89.1 -1969 specifications. Section 136 - Occupational Foot Protection 29 CFR 1910.136 requires that safety toe footwear for employees meet ANSI Z41.1-1967 standards.

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  • Guidelines for Infection Control in Dental Health-Care ...

    Dental treatment water: Nonsterile water used during dental treatment, including irrigation of nonsurgical operative sites and cooling of high-speed rotary and ultrasonic instruments. Disinfectant: A chemical agent used on inanimate objects (e.g., floors, walls, or sinks) to destroy virtually all recognized pathogenic microorganisms, but not ...

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  • FAULHABER Drive Systems

    2021-3-30 · June 17, 2021. Approximately one third of FAULHABER staff to take advantage of vaccination offer provided by the company doctor. On June 22, 2021, the first employees can be vaccinated against corona directly in the company. This is yet another important building block in the fight against the pandemic and for the protection of company employees.

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  • News - FAULHABER

    2020-2-13 · The variable reliability of thermal and electronic pulp testing may be overcome by measuring the level of blood oxygenation in the pulp as a marker of pulp perfusion using pulse oximetry 76, 77. This technique measures the absorption of light of a specific wavelength transmitted through the tooth by placing a probe onto it.

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  • The painful tooth: mechanisms, presentation and ...

    Current Issues in Molecular Biology is an international, scientific, peer-reviewed, open access journal on molecular biology published quarterly online by MDPI (from Volume 43 Issue 1-2021).. Open Access — free to download, share, and reuse content. Authors receive recognition for their contribution when the paper is reused. High Visibility: indexed within Scopus, SCIE (Web of …

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  • Current Issues in Molecular Biology | An Open Access ...

    2017-6-6 · Micro-CT Imaging and Analysis. Images and the orientations of injected mesh electronics probes in fixed mouse brain tissue at different times postimplantation (acute–3 mo) were determined using an HMXST micro-CT X-ray scanning system with a standard horizontal imaging axis cabinet (HMXST225; Nikon Metrology). Typical imaging parameters were ...

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  • Syringe-injectable mesh electronics integrate seamlessly ...

    In addition to protecting workers from falling or flying objects, head protection affords limited protection from electric shock and burn. Head protection must meet ANSI Z89.1 -1969 specifications. Section 136 - Occupational Foot Protection 29 CFR 1910.136 requires that safety toe footwear for employees meet ANSI Z41.1-1967 standards.

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  • Safety and Health Decision Making For Managers {training ...

    Various apparatus and methods for cleaning teeth and gingival pockets are disclosed herein. A fluid platform can include a pressure wave generator configured to propagate pressure waves through a treatment fluid. The pressure waves may be sufficient to remove undesirable dental deposits from a treatment tooth, neighboring gums, and/or spaces between the tooth and gums.

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  • US20140099597A1 - Apparatus and methods for cleaning

    2019-11-15 · Zirconia surface treatment using different techniques could be employed to overcome the delamination issue reported between veneering ceramic materials and the corresponding zirconia core. The study subjected yttria partially stabilized zirconia core material to grinding and sandblasting as a first surface treatment. An airbrush gun spraying technique was used to coat a …

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  • Comparative In Vitro Evaluation Between Zirconia and ...

    A motor-driven pump with a plurality of impellers, includes a pump housing provided on an electric motor, and an impeller unit provided in an inner space of the housing, the housing having two fluid inlet port regions on two sides near and away from the motor in a longitudinal direction of an output shaft of the motor, and having one fluid discharge port region between the inlet port regions ...

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  • Stepper Motors | Largest Online Offering of Stepper Motors ...

    Q: While increasing speed, why do stepper motors lose torque? A: Inductance is the leading cause for motors losing torque at high speeds. The electrical time constant, τ, is the amount of time it takes a motor winding to charge up to 63% of its rated …

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  • JOURNAL OF EVOLUTION OF MEDICAL AND DENTAL

    4) Speed and sequencing. All rotary instruments perform optimally with less breakage when used in gear reduction electric motors that automatically adjust the torque specific for any given file used. Rotary instruments need to be used according to the guidelines gathered from market experience.

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  • Air Motor Selection and Sizing | Hydraulics & Pneumatics

    2020-5-15 · F16K; sensing non-electric variables, see the relevant subclasses of G01; for regulating electric or magnetic variables G05F) NOTES 1. This subclass does not cover features of general applicability to regulating systems, e.g. anti-hunting arrangements, which are …

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  • CPC - Compilation of Changes to the Scheme

    The electric field can not only propel MLMTs, but also can control the speed and direction of MLMTs. The propulsion and sometimes deformation of MLMTs are also named as continuous electrowetting (CEW), which is an electrical analogy of the flow motion motivated by a thermally induced surface-tension gradient, i.e., the Marangoni effect.

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  • Micromachines | Free Full-Text | Mini/Micro/Nano Scale ...

    Polymer Composites is the engineering and scientific journal serving the fields of reinforced plastics and polymer composites including research, production, processing, and applications.

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  • Polymer Composites: Early View - Wiley

    2021-1-22 · During the last decade, nano-and-micro sized crystals, colloids, particles, clusters have been synthesized so far using micro-controlled devices. This review summarizes the recent advances and the future scope of various miniaturized and microfluidic automated devices to realize nano crystalline materials.

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  • Review—Miniaturized and Microfluidic Devices for

    Our custom writing service is a reliable solution on your academic journey that will always help you if your deadline is too tight. You fill in the order form with your basic requirements for a paper: your academic level, paper type and format, the number of pages and sources, discipline, and deadline.

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  • JOURNAL OF EVOLUTION OF MEDICAL AND DENTAL

    4) Speed and sequencing. All rotary instruments perform optimally with less breakage when used in gear reduction electric motors that automatically adjust the torque specific for any given file used. Rotary instruments need to be used according to the guidelines gathered from market experience.

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  • Silk‐based microcarriers: current developments and future ...

    2020-9-22 · Silk fibroin has been used for centuries in the textile industry and for decades in biomaterials, providing stiffness and resistance. Besides providing good mechanical properties and allowing the formation of 3D structures, fibroin is also biocompatible [].On the other hand, sericin was traditionally disposed of in silk processing wastewater.

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  • POSTER PRESENTATIONS | SpringerLink

    2012-6-12 · Results: The average age is 32.13 ± 8.2 of the total 15 people, 12 (80 % ) of them is female. 10 of them brought suit for the bad consequences of laser epilation, 1 for needle electric epilation, 2 for erasing tattoo and 2 for getting burn in tanning booths. 7 (46.6 %) of 15 people were assessed in 2010. 2 people got burnt in tanning booth had ...

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  • CPC - Compilation of Changes to the Scheme

    2020-5-15 · F16K; sensing non-electric variables, see the relevant subclasses of G01; for regulating electric or magnetic variables G05F) NOTES 1. This subclass does not cover features of general applicability to regulating systems, e.g. anti-hunting arrangements, which are …

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  • ESP32 with DC Motor - Control Speed and Direction |

    2014-12-3 · O-104: Effect of Statin with Biphasic Calcium Phosphate on Differentiation and Mineralization of Human Dental Pulp Cells AbdulQader S. 1, Rahman I. Ab 1, Kannan T. 1, Ismail H. 2, Mahmood Z. 1; 1 School of Dental Sciences, Kubang Kerian, Malaysia: 2 School of Materials and Minerals Resource Engineering, Nibong Tebal, Malaysia.

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  • 2014 TERMIS-AM ConferenceWashington, DCDecember

    2021-1-22 · During the last decade, nano-and-micro sized crystals, colloids, particles, clusters have been synthesized so far using micro-controlled devices. This review summarizes the recent advances and the future scope of various miniaturized and microfluidic automated devices to realize nano crystalline materials.

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  • Review—Miniaturized and Microfluidic Devices for

    What is a Stepper Motor? A stepper motor (also referred to as step or stepping motor) is an electromechanical device achieving mechanical movements through conversion of electrical pulses. Stepper motors are driven by digital pulses rather than by a continuous applied voltage. Unlike conventional electric motors which rotate continuously, stepper motors rotate or step in fixed …

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