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  • Computer simulation of the SARS-CoV-2

    2021-3-29 · The dental clinic was modeled in Solidworks based on blueprints and physical measurements of the actual dental clinic. Then, ANSYS Fluent Meshing (ANSYS, 2020) was used to generate the unstructured mesh for the computational domain.Due to the complex geometries of the inlet diffusers and the dental units, as well as the sharp velocity gradient near the inlets, we adopted advanced Fluent ...

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  • Ventilation Assessment by Carbon Dioxide Levels in

    2021-5-11 · Carbon dioxide (CO 2) level is an important indicator of ventilation in occupied indoor environments.CO 2 is a by-product of human metabolism and exists in high levels in exhaled air. Atmospheric CO 2 level is approximately 400 parts per million (ppm) in outdoor environments, but CO 2 in human exhaled air reaches on average 40,000 ppm in concentration (Issarow et al. 2015).

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  • Ventilation rate assessment by carbon dioxide levels in ...

    2021-2-4 · 3 CO 2 levels is directly associated with ventilation rate in an occupied space.A clinical space with good ventilation should have a CO 2 level close to that of outside air at approximately 400 ppm in most areas [4, 12]. Higher indoor CO 2 levels indicate poor ventilation, accumulation of exhaled air, and increase in the fraction of “rebreathed air” or “shared air” in the indoor ...

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  • Quantitative and qualitative assessment of microbial ...

    2020-5-11 · Infected patients are assumed to be too ill to visit the dental clinic or, as a result of the anamnesis, elective care is postponed. During the SARS-CoV-2 outbreak, dental health care is limited to providing urgent care in most countries (Farooq & Ali, 2020; Izzetti et al., 2020; Meng, Hua, & …

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  • Infection control in dental health care during and after ...

    2014-7-1 · 1. Introduction. Plasma, by far the most dominant state of matter in the universe, was identified by Sir Crooke in 1879 , and was first named “plasma” by Langmuir in 1929.After a long dormant phase since Simens used first plasma discharge in order to create ozone in the late 1850s, plasma research has recently evolved at a rapid pace and extended into biomedical, environmental, aerospace ...

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  • Plasma in dentistry - ScienceDirect

    Dental restorations are exposed to a harsh environment, such as repeated occlusal force, moisture and the thermal variation in the oral cavity. These can cause the failure of restorations. In the present study, thermal cycling was used to simulate clinical conditions. The results indicated that we could reject the second hypothesis.

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  • :: RDE :: Restorative Dentistry & Endodontics

    2017-7-25 · medical emergencies in dental practice 1. medical emergencies in dental practice dr. vibhuti kaul 2. unconsciousness • vasodepressor syncope • postural hypotension • acute adrenal insufficiency respiratory distress • asthma • hyperventilation • airway obstruction • heart failure altered consciousness • diabetes mellitus • thyroid gland dysfunction • cerebro vascular ...

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  • Medical emergencies in Dental Practice

    2017-3-1 · 1. Introduction. Dental caries remains an international public health challenge for many countries despite an increased focus on prevention of dental caries worldwide , .Despite periodic safety concerns, dental amalgam has remained one of the most cost effective and durable dental restorative materials for 150 years , .The World Health Organisation has encouraged “phasing down” of dental ...

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  • A Review of Mercury Exposure and Health of Dental ...

    2020-7-14 · Although the amount to effort invested in studying dental aerosols is commendable, these studies suffer from critical flaws in design and methodology that preclude robust decision making. 8 For instance, none of the studies used a control group where the aerosol was generated in the absence of a patient. This would provide invaluable ...

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  • Ventilation Assessment by Carbon Dioxide Levels in

    2021-5-11 · Carbon dioxide (CO 2) level is an important indicator of ventilation in occupied indoor environments.CO 2 is a by-product of human metabolism and exists in high levels in exhaled air. Atmospheric CO 2 level is approximately 400 parts per million (ppm) in outdoor environments, but CO 2 in human exhaled air reaches on average 40,000 ppm in concentration (Issarow et al. 2015).

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  • National Aeronautics and Space Administration

    2020-3-23 · companies, including dental device manufacturer Schick Technologies of Long Island City, New York, which wanted to use them for dental X-rays. In 1995, Fossum and colleagues founded Photobit with an exclusive license for CMOS imaging, and Schick obtained an exclusive license for CMOS dental imagers.

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  • China X Ray Equipment, China X Ray Equipment

    US 3000-45000 Piece. Alibaba.com offers 18,524 x ray equipment products. About 28% of these are medical x-ray equipments & accessories. A wide variety of x ray equipment options are available to you, such as ce, ccc, and sgs. You can also choose from 1years, 3 years. As well as from 2 years, 1 year.

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  • Medical emergencies in Dental Practice

    2017-7-25 · medical emergencies in dental practice 1. medical emergencies in dental practice dr. vibhuti kaul 2. unconsciousness • vasodepressor syncope • postural hypotension • acute adrenal insufficiency respiratory distress • asthma • hyperventilation • airway obstruction • heart failure altered consciousness • diabetes mellitus • thyroid gland dysfunction • cerebro vascular ...

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  • Demystifying the mist: Sources of microbial bioload in ...

    2020-7-14 · Although the amount to effort invested in studying dental aerosols is commendable, these studies suffer from critical flaws in design and methodology that preclude robust decision making. 8 For instance, none of the studies used a control group where the aerosol was generated in the absence of a patient. This would provide invaluable ...

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  • Brain enlargement and dental reduction were not

    2017-1-1 · We used four datasets to evaluate postcanine and endocranial size and shape (Table S1 and Datasets S1–S4). The dataset for dental size and shape was assembled by A.G.-R. as part of quantitative descriptions of occlusal postcanine morphology (26, 40). Those samples were pruned to include only species with relatively uncontroversial ...

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  • Pressure Plasma Polymerization for Biological and ...

    2019-10-4 · wet chemistry or plasma activation in simple atomic or molecular gasses. Atmospheric pressure plasma polymerization makes possible rapid, simple, and time-stable hydrophilic surface preparation, regardless of the type and properties of the material whose …

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  • Differentiation of oral bacteria in in vitro cultures and ...

    The detection of bacterial-specific volatile metabolites may be a valuable tool to predict infection. Here we applied a real-time mass spectrometric technique to investigate differences in ...

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  • Iodine vapor staining for atomic number contrast in ...

    2014-9-15 · Iodine imparts strong contrast to objects imaged with electrons and X-rays due to its high atomic number (53), and is widely used in liquid form as a microscopic stain and clinical contrast agent. We have developed a simple technique which exploits elemental iodine's sublimation-deposition state-change equilibrium to vapor stain specimens with ...

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  • Quantitative analysis of dental microwear in

    2009-7-7 · Understanding the feeding mechanisms and diet of nonavian dinosaurs is fundamental to understanding the paleobiology of these taxa and their role in Mesozoic terrestrial ecosystems. Various methods, including biomechanical analysis and 3D computer modeling, have been used to generate detailed functional hypotheses, but in the absence of either direct observations of dinosaur feeding …

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  • China X Ray Equipment, China X Ray Equipment

    US 3000-45000 Piece. Alibaba.com offers 18,524 x ray equipment products. About 28% of these are medical x-ray equipments & accessories. A wide variety of x ray equipment options are available to you, such as ce, ccc, and sgs. You can also choose from 1years, 3 years. As well as from 2 years, 1 year.

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  • A systematic review of contamination (aerosol,

    2020-11-24 · The current COVID-19 pandemic caused by the SARS-CoV-2 virus has impacted the delivery of dental care globally and has led to re-evaluation of infection control standards. However, lack …

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  • Regulation of dental products - ADA

    2020-9-2 · 2.3.1 Age fog is caused by films used after their expiry date. 2.3.2 Inadequate storage conditions can result in fog. If the film is in a sealed metal foil pack, the main hazards are heat (store between 10°C and 23°C) and stray X-radiation (store in a lead-lined box). 2.3.3 Chemical fog is caused by inadequate darkroom

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  • RESEARCH Open Access Development of a new

    2017-8-23 · RESEARCH Open Access Development of a new quantitative gas permeability method for dental implant-abutment connection tightness assessment Jacques-Henri Torres1*, Michael Mechali1, Olivier Romieu1, Paul Tramini1, Sylvie Callas2, Frédéric JG Cuisinier1 and Bernard Levallois1 * Correspondence: [email protected]

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  • Controlled co‐immobilization of biomolecules on

    1 INTRODUCTION. Biomaterials play a fundamental role in disease management and the improvement of health care. Among various existing biomaterials, titanium and titanium alloys are the most commonly used metallic materials for implantation in the human body for orthopedic or dental surgeries. [] Despite their extensive use, titanium alloys are unable to integrate directly with the adjacent ...

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  • Flight Class B - Clave B Autoclave - What is a Class B ...

    2018-2-4 · Flight Clave B – Class B Sterilizer- Autoclave. Brampton-A Class B Sterilizer is a steam sterilizer that uses a vacuum pump to remove air/steam mixtures from the chamber prior to sterilization cycle beginning .This process can remove 99% of the air inside of the chamber before the temperature and pressure increases to it’s necessary parameters.

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  • Fabrication and characterization of nHA/titanium

    2019-1-25 · The dental implant/bone system shown in figure 11 includes a Ti/HA FGM dental implant, a metal abutment and internal screw attaching the implant and abutment together and cortical and trabecular bones around the implant's location. Occlusal forces are applied directly to the upper part of the abutment and are transferred through the internal ...

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  • Portable ultrasound unit 1 Mhz - Quirumed

    In stock. Portable ultrasound device of 1 mhz for treating the chronic muscle pain, discharging the accumulated tension of the body and restoring the cell balance. For its proper functioning, you have to apply a conductive gel. It is an innovative, technologically advanced medical device for the treatment of chronic and acute muscular pain.

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  • Medical emergencies in Dental Practice

    2017-7-25 · medical emergencies in dental practice 1. medical emergencies in dental practice dr. vibhuti kaul 2. unconsciousness • vasodepressor syncope • postural hypotension • acute adrenal insufficiency respiratory distress • asthma • hyperventilation • airway obstruction • heart failure altered consciousness • diabetes mellitus • thyroid gland dysfunction • cerebro vascular ...

    Get Price
  • Digital Photography and the Assessment of

    Carlos Rocha Gomes Torres, Daphne Câmara Barcellos, Graziela Ribeiro Batista, Alessandra Buhler Borges, Karla Viana Cassiano, César Rogério Pucci, Assessment of the effectiveness of light-emitting diode and diode laser hybrid light sources to intensify dental bleaching treatment, Acta Odontologica Scandinavica, 10.3109/00016357.2010.549503 ...

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  • exocad – Your freedom is our passion - exocad

    Your complex procedures can become more simple and efficient, thanks to our experience working closely with dental professionals like yourself, creating more accessible dental software for the digital age. Flexibility as you require it. Experience maximum flexibility and …

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  • Radiography | X-ray & Fluoroscopy Solutions | Philips ...

    TEDxSBU will be held October 10th, 2013. It will showcase talent from Stony Brook University exclusively, including students, faculty, staff and alumni. It is our intent that the program will be cross disciplinary, represent all of the diversity of SBU and be uniquely inspiring. Unfortunately due to TEDx rules, we are only allowed to have 100 ...

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  • TEDxSBU | TED

    2021-7-10 · ADHA 2021 Highlights. Check out media coverage of our successful re-launch of convention life in Phoenix.View Press Coverage

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  • ADHA - American Dental Hygienists Association

    2020-11-24 · The current COVID-19 pandemic caused by the SARS-CoV-2 virus has impacted the delivery of dental care globally and has led to re-evaluation of infection control standards. However, lack …

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  • Digital X-ray | CR system with cassettes for standard X ...

    2012-5-23 · Computer simulation of the SARS-CoV-2 contamination risk in a large dental clinic Physics of Fluids, Vol. 33, No. 3 Erosion of oval elbows in turbulent particulate natural gas flow with different aspect ratio of cross-sections

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  • A systematic review of contamination (aerosol,

    Grab your lab coat. Let's get started Welcome! Welcome! Create an account below to get 5 C&EN articles per month, receive newsletters and more - all free.

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  • Aspects of Computer Simulation of Liquid-Fueled

    SVS Aqua Technologies - Manufacturer of Flood Decontamination Disinfection Powder, Chlorine Dioxide Tablets For Food Industry, Filter Media For Chromium Removal From Water, Clo2guard For Offices and Industrial Chemicals & Supplies in NEW RASTA PETH, Pune, Maharashtra

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  • exocad – Your freedom is our passion - exocad

    Your complex procedures can become more simple and efficient, thanks to our experience working closely with dental professionals like yourself, creating more accessible dental software for the digital age. Flexibility as you require it. Experience maximum flexibility and …

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  • The application of a new clear removable appliance

    2021-1-21 · The effectiveness of anterior crossbite treatment in preschool-aged children depends on the treatment design and patient compliance. Common early treatment appliances with steel wires and acrylic resin can bring about numerous problems, such as toothache, sore gums and mucous membrane injury. The aim of this study was to propose a new clear removable appliance to provide preschool-age …

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  • Aspects of Computer Simulation of Liquid-Fueled

    2012-5-23 · Computer simulation of the SARS-CoV-2 contamination risk in a large dental clinic Physics of Fluids, Vol. 33, No. 3 Erosion of oval elbows in turbulent particulate natural gas flow with different aspect ratio of cross-sections

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  • Dental Treatment in Patients with Leukemia

    Dental treatment of patients with leukemia should be planned on the basis of antineoplastic therapy which can be chemotherapy with or without radiotherapy and bone marrow transplantation. Many are the oral manifestations presented by these patients, arising from leukemia and/or treatment. In addition, performing dental procedures at different stages of treatment (before, during, or after) must ...

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  • Aerodontalgia–Tooth Pain in Airplanes, Interesting!

    In stock. Portable ultrasound device of 1 mhz for treating the chronic muscle pain, discharging the accumulated tension of the body and restoring the cell balance. For its proper functioning, you have to apply a conductive gel. It is an innovative, technologically advanced medical device for the treatment of chronic and acute muscular pain.

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  • Portable ultrasound unit 1 Mhz - Quirumed

    2020-5-21 · Several dental instruments aerosolize saliva or blood to the surroundings, especially when using an ultrasonic instrument; it is possible that the whole dental apparatus could be contaminated by the SARS-CoV-2 after these procedures; it is not surprising that dental hygienists are more exposed to this infection than actual dentists. 16 The SARS-CoV-2019 can remain viable in aerosol for over 3 ...

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  • Hypersoft Sneakers

    2015-12-29 · Chest X-ray 10 mrem (2 views) ! Dental X-ray 0.5 mrem (4-bitewings) ! Pacemaker 2 mrem/day! Jet flight (cx country) 3 mrem (5,000 miles) ! Airport security 10 mrem ! Cosmis Rays 30 mrem! Avg U.S. Annual Dose 620 mrem ! U.S. Avg Natural Background 310 mrem

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  • The impact of the COVID-19 infection in dentistry -

    8. The atmospheric gas burner assembly of claim 6, wherein the spacing between the pocket-shaped bodies corresponds to their width. 9. The atmospheric gas burner assembly of claim 5, wherein the gas outlet ports are grouped in arrays and the pocket-shaped bodies are disposed above the tube in areas free of the gas outlet ports. 10.

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