Academic literature on the topic 'Gas plasma sterilization'

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Journal articles on the topic "Gas plasma sterilization"

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Drews, Robert C. "Sterilization by plasma gas." Ophthalmology 108, no. 6 (2001): 1011. http://dx.doi.org/10.1016/s0161-6420(00)00618-7.

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Hideharu, Shintani, N. Shimizu, Y. Imanishi, A. Sakudo, U. Takuya, and E. Hotta. "Efficiency of Atmospheric Pressure Nitrogen Gas Remote Plasma Sterilization and the Clarification of Sterilization Major Factors." International Journal of Clinical Pharmacology & Toxicology (IJCPT) 4, no. 2 (2015): 150–60. https://doi.org/10.19070/2167-910X-1500027.

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Experiments reported here were conducted using atmospheric nitrogen gas remote plasma with a pulsed power source. The sterilization efficiency, major sterilization factors and most appropriate sterilization conditions were determined. By varying several factors such as hotplate temperature, relative humidity, water vapor supply location, etc., the most appropriate sterilization conditions were identified. The temperature of the hotplate was varied from 55°C to 75°C and with this 20°C increase in temperature, sterilization was completed in half the time. In this
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Lee, Mi Hee, Yeon I. Woo, In Seop Lee, Jeong Koo Kim, and Jong Chul Park. "Application of Hydrogen Peroxide Gas Plasma Method for Porous Polyurethane Sterilization." Key Engineering Materials 342-343 (July 2007): 905–8. http://dx.doi.org/10.4028/www.scientific.net/kem.342-343.905.

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Tissue-engineering must be either manufactured aseptically or sterilized after processing. To extend protection of medical devices against microbial contamination, various sterilization methods have been suggested. Hydrogen peroxide gas plasma sterilization has been applied in hospitals worldwide for almost a decade. In this study, we investigated the sterilization efficacy of hydrogen peroxide gas plasma sterilizer with porous polyurethane sample. The result is suggested that hydrogen peroxide gas plasma can be applicable to the sterilization of polymer scaffold for tissue engineering materia
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Kanemitsu, Keiji, Takayuki Imasaka, Shiho Ishikawa, et al. "A Comparative Study of Ethylene Oxide Gas, Hydrogen Peroxide Gas Plasma, and Low-Temperature Steam Formaldehyde Sterilization." Infection Control & Hospital Epidemiology 26, no. 5 (2005): 486–89. http://dx.doi.org/10.1086/502572.

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AbstractObjective:To compare the efficacies of ethylene oxide gas (EOG), hydrogen peroxide gas plasma (PLASMA), and low-temperature steam formaldehyde (LTSF) sterilization methods.Methods:The efficacies of EOG, PLASMA, and LTSF sterilization were tested using metal and plastic plates, common medical instruments, and three process challenge devices with narrow lumens. All items were contaminated with Bacillus stearothermophilus spores or used a standard biological indicator.Results:EOG and LTSF demonstrated effective killing of B. stearothermophilus spores, with or without serum, on plates, on
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LI, Hua, Minglei LI, Hongcheng ZHU, et al. "Realizing high efficiency and large-area sterilization by a rotating plasma jet device." Plasma Science and Technology 24, no. 4 (2022): 045501. http://dx.doi.org/10.1088/2058-6272/ac550d.

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Abstract By tilting a plasma jet and rotating 360°, a large-area can be scanned and sterilized in a short time. Compared with the previous array device, this pipe has the significant advantages of high sterilization uniformity and low gas consumption. Firstly, a rotatable plasma jet device, which can control the swing and rotation of a jet pipe, is designed, and a corresponding theoretical model is established to guide the experiment. Secondly, with Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli) as the target bacteria, the device achieves a short sterilization time of 158 s—t
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Murai, K., Yasushi Miyano, K. Hirotani, Masahiro Tsukamoto, and Yoshio Kikuchi. "Sterilization Performance of Ultraviolet Emission from Laser Plasmas." Solid State Phenomena 107 (October 2005): 99–102. http://dx.doi.org/10.4028/www.scientific.net/ssp.107.99.

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A pulsed YAG laser beam was focused with a lens in order to produce laser plasmas by laser-induced gas breakdown inside the gas cell. The most intense UV emissions between 200 and 300 nm in wavelength was generated by the Xe gas breakdown. UV emission from laser plasma by Xe gas breakdown showed the best sterilization performance compared with those by other gas breakdown.
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Decina, Alessandra, Annunziata D’Orazio, Riccardo Barni, Alessandra Polissi, and Claudia Riccardi. "A Plasma Reactor for Experimental Investigation of Sterilization Processes: Preliminary Results on Escherichia Coli." International Journal of Design & Nature and Ecodynamics 16, no. 3 (2021): 275–84. http://dx.doi.org/10.18280/ijdne.160305.

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Plasma process is a promising physical method for sterilization. Due to the lack of suitable plasma diagnostics, installed in the reactors, a general lack of knowledge happens about the gas-phase chemical composition and the influence of operating parameters. The same lack of knowledge happens in case of gas plasma generated from different gases, candidates for sterilization purposes. The aim of this work is to understand the role of different agents acting in the sterilization process, evaluate the effectiveness of different precursor gases and validate the plasma reactor dedicated. A plasma
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Moisan, Michel, Jean Barbeau, Marie-Charlotte Crevier, Jacques Pelletier, Nicolas Philip, and Bachir Saoudi. "Plasma sterilization. Methods and mechanisms." Pure and Applied Chemistry 74, no. 3 (2002): 349–58. http://dx.doi.org/10.1351/pac200274030349.

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Utilizing a plasma to achieve sterilization is a possible alternative to conventional sterilization means as far as sterilization of heat-sensitive materials and innocuity of sterilizing agents are concerned. A major issue of plasma sterilization is the respective roles of ultraviolet (UV) photons and reactive species such as atomic and molecular radicals. At reduced gas pressure (£10 torr) and in mixtures containing oxygen, the UV photons dominate the inactivation process, with a significant contribution of oxygen atoms as an erosion agent. Actually, as erosion of the spore progresses, the nu
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Akishev, Yuri, Michail Grushin, Vladimir Karalnik, et al. "Atmospheric-pressure, nonthermal plasma sterilization of microorganisms in liquids and on surfaces." Pure and Applied Chemistry 80, no. 9 (2008): 1953–69. http://dx.doi.org/10.1351/pac200880091953.

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Gas discharge plasma inactivation of microorganisms at low (close to ambient) temperature is a promising area of investigation that is attracting widespread interest. This paper describes atmospheric-pressure, nonthermal plasma (NTP) methods for cold sterilization of liquids and thermal sensitive surfaces. These methods are based on the use of direct current (DC) gas discharge plasma sources fed with steady-state high voltage. Parameters characterizing the plasma sources used (plasma-forming gas, gas flow rate, electric power consumed, etc.) are given. The results for plasma sterilization of d
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Hauser, Joerg, Stefan-Alexander Esenwein, Peter Awakowicz, Hans-Ulrich Steinau, Manfred Köller, and Helmut Halfmann. "Sterilization of Heat-Sensitive Silicone Implant Material by Low-Pressure Gas Plasma." Biomedical Instrumentation & Technology 45, no. 1 (2011): 75–79. http://dx.doi.org/10.2345/0899-8205-45.1.75.

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Abstract Background: In recent years, plasma treatment of medical devices and implant materials has gained more and more acceptance. Inactivation of microorganisms by exposure to ultraviolet (UV) radiation produced by plasma discharges and sterilization of medical implants and instruments is one possible application of this technique. The aim of this study was to evaluate the effectiveness of this sterilization technique on silicone implant material. Methods: Bacillus atrophaeus spores (106 colony-forming units [CFUs]) were sprayed on the surfaces of 12 silicone implant material samples. Four
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Dissertations / Theses on the topic "Gas plasma sterilization"

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Al-Hashemi, Jacob Yousef Kadhum. "Human alveolar osteoblast response to date-expired dental implants renewed by hydrogen peroxide gas plasma sterilization." Thesis, State University of New York at Buffalo, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=1539788.

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<p> Dental implants, otherwise uncompromised, are occasionally found to be date-expired within intact or opened packages, denying their clinical use unless they can be reliably re-sterilized and made equivalent in reaction to new implants within receiving bone sites. This investigation identified an FDA-approved low-temperature gas plasma sterilization approach&mdash;in residual hydrogen peroxide (H2O2) vapor at low pressure&mdash;capable of quickly (within an hour) restoring even grossly contaminated dental implants to sterility and renewing their surface qualities to those of as-manufactured
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Limam, Soukayna. "La bio décontamination de surface par plasma froid : Contribution par l’étude de procédés de traitement de surface à pression atmosphérique." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLC106.

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Dans le cadre de cette thèse, des travaux sur la bio décontamination de surface ont été entrepris, en s’intéressant tout particulièrement aux problématiques d’infections nosocomiales en milieu hospitalier. Dans cet objectif, deux sources de plasma froid ont été caractérisées et leurs effets biocides sur des micro-organismes tels qu’Escherichia coli et Bacillus stearothermophilus (micro-organismes de référence dans les procédures de stérilisation) ont été étudiés<br>Non thermal plasma technologies have recently been receiving attention as an alternative technology for surface decontamination of
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Slámová, Jitka. "Studium sterilizačních účinků dielektrického bariérového výboje." Doctoral thesis, Vysoké učení technické v Brně. Fakulta chemická, 2013. http://www.nusl.cz/ntk/nusl-233367.

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The overall goal of the presented dissertation thesis was to study the sterilization efficiency of dielectric barrier discharge operated at atmospheric pressure. The fungi Aspergillus niger, gram-positive bacteria Bacillus subtilis and in some experiments also gram-negative bacteria Escherichia coli were used as a bio-indicator enabling to evaluate the effect of plasma assisted microbial inactivation. The samples of microorganism were placed on paper Whatman 1 or PET foil and exposed to plasma. The plasma was generated in argon, nitrogen, synthetic dry/humid air with frequency up to 10 kHz and
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KAO, Meng-Cheng, and 高孟誠. "Surface Modification and Sterilization induced by Gas Plasma." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/04396137995221964554.

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碩士<br>中原大學<br>化學工程研究所<br>91<br>This research ran surface modification and sterilization by gas plasma and discussed substrate’s surface properties, such as wettability, barrier properties and printability and then analyses the result of plasma sterilization. We found plasma surface modification can develop polymer’s wettability significantly by treating polymer’s surface with plasma. The efficiency of polymer’s wettability by plasma wouldn’t disappear with time. The barrier properties and printability of polymer substrate could be improved by plasma treatment, too. Furthermore, we confirmed it
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Books on the topic "Gas plasma sterilization"

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Gas Plasma Sterilization in Microbiology: Theory, Applications, Pitfalls and New Perspectives. Caister Academic Press, 2016. http://dx.doi.org/10.21775/9781910190258.

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Book chapters on the topic "Gas plasma sterilization"

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McDonnell, Gerald. "Gas Plasma Sterilization." In Russell, Hugo & Ayliffe's. Wiley-Blackwell, 2012. http://dx.doi.org/10.1002/9781118425831.ch15d.

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Jacobs, Paul T., and Szu-Min Lin. "Gas-Plasma Sterilization." In ACS Symposium Series. American Chemical Society, 1996. http://dx.doi.org/10.1021/bk-1996-0620.ch017.

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Tamazawa, Kaoru, Yoshinori Tamazawa, and Hidetoshi Shimauchi. "Sterilization Effect in Low-Pressure Discharge Plasma Using Non-toxic Gas." In Interface Oral Health Science 2011. Springer Japan, 2012. http://dx.doi.org/10.1007/978-4-431-54070-0_81.

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Lee, Mi Hee, Yeon I. Woo, In Seop Lee, Jeong Koo Kim, and Jong Chul Park. "Application of Hydrogen Peroxide Gas Plasma Method for Porous Polyurethane Sterilization." In Advanced Biomaterials VII. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-436-7.905.

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Martens, Phillip A., Victoria Galliani, Gary Graham, and Ross A. Caputo. "Sterilization of Medical Products Using Gas Plasma Technology." In Sterilization of Drugs and Devices. CRC Press, 2018. http://dx.doi.org/10.1201/9780203738313-6.

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Shintani, Hideharu. "Future Perspectives and Trends in Gas Plasma Sterilization." In Gas Plasma Sterilization in Microbiology: Theory, Applications, Pitfalls and New Perspectives. Caister Academic Press, 2016. http://dx.doi.org/10.21775/9781910190258.15.

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Shintani, Hideharu, Naohiro Shimizu, Yuichiro Imanishi, Akikazu Sakudo, Takuya Uyama, and Eiki Hotta. "Current Progress in Advanced Technology of Nitrogen Gas Plasma for Remote Sterilization and Clarification of Sterilization." In Gas Plasma Sterilization in Microbiology: Theory, Applications, Pitfalls and New Perspectives. Caister Academic Press, 2016. http://dx.doi.org/10.21775/9781910190258.04.

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Shintani, Hideharu. "Theoretical Background and Mode of Action of Gas Plasma Sterilization." In Gas Plasma Sterilization in Microbiology: Theory, Applications, Pitfalls and New Perspectives. Caister Academic Press, 2016. http://dx.doi.org/10.21775/9781910190258.02.

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Sakudo, Akikazu. "Current Progress in Advanced Research into the Inactivation of Viruses by Gas Plasma: Influenza Virus Inactivation by Nitrogen Gas Plasma." In Gas Plasma Sterilization in Microbiology: Theory, Applications, Pitfalls and New Perspectives. Caister Academic Press, 2016. http://dx.doi.org/10.21775/9781910190258.10.

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Shintani, Hideharu. "Current Progress in the Sterilization of Spores and Vegetative Cells by Exposure to Gas Plasma: Sterilization, Disinfection and Antimicrobial Activity." In Gas Plasma Sterilization in Microbiology: Theory, Applications, Pitfalls and New Perspectives. Caister Academic Press, 2016. http://dx.doi.org/10.21775/9781910190258.08.

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Conference papers on the topic "Gas plasma sterilization"

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Kholodenko, V. P., V. A. Chugunov, I. A. Irkhina, et al. "Investigation of Influence of Biofilms on Microbiologically Induced Corrosion in Oil- and Gas-Processing Industries." In CORROSION 2005. NACE International, 2005. https://doi.org/10.5006/c2005-05496.

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Abstract Oil-and gas- pipelines and processing equipment are usually attacked by different microorganisms that can result with time in damage of the equipment leading to serious technological incidences and environmental contamination. The direction and speed of the processes responsible for bio-damages and bio-corrosion are determined by vital activity of microorganisms. Namely bio-films presenting complex associations of the microorganisms and their metabolites are among the main reasons providing such incidences. From other side, bio-films can be protective agents against corrosion as well.
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Takamatsu, Toshihiro, Masaki Ichikawa, Hideyuki Hirai, et al. "Sterilization effect of various gas non-thermal plasma." In 2011 IEEE 38th International Conference on Plasma Sciences (ICOPS). IEEE, 2011. http://dx.doi.org/10.1109/plasma.2011.5993282.

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Debus, André, Thierry Auburtin, and Jacques C. Darbord. "Hydrogen Peroxide Gas Plasma Sterilization Process Qualification for Space Application." In International Conference On Environmental Systems. SAE International, 2000. http://dx.doi.org/10.4271/2000-01-2418.

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Srisonphan, Siwapon, Naowarat Tephiruk, and Khomsan Ruangwong. "Electron Emission-Driven Gas-Liquid Plasma: Seed Sterilization and Surface Modification." In 2023 IEEE 36th International Vacuum Nanoelectronics Conference (IVNC). IEEE, 2023. http://dx.doi.org/10.1109/ivnc57695.2023.10188991.

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Matsui, Kei, Noriaki Ikenaga, and Noriyuki Sakudo. "Sterilization of microorganism spores with plasma-excited neutral gas at atmospheric pressure." In 2015 IEEE International Conference on Plasma Sciences (ICOPS). IEEE, 2015. http://dx.doi.org/10.1109/plasma.2015.7179789.

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Kobayashi, Tomohiro, Yosuke Watanabe, Takaya Oshita, et al. "Measurement of sterilization ability and reactive species of various gas plasma bubbled-up water." In 2015 IEEE International Conference on Plasma Sciences (ICOPS). IEEE, 2015. http://dx.doi.org/10.1109/plasma.2015.7179720.

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Hartmann, R., and K. D. Landes. "Diagnostics and Applications of an Innovative Plasma Torch Generating a Broad Plasma Jet." In ITSC 2000, edited by Christopher C. Berndt. ASM International, 2000. http://dx.doi.org/10.31399/asm.cp.itsc2000p0015.

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Abstract Conventional DC plasma torch designs lead to a circular cross-section of the emanating plasma jet. Consequently in surface treatment applications the plasma jet hits the substrate within a limited circular working area. Large scale workpieces therefore have to be scanned resulting in a time-consuming procedure. The innovative DC plasma torch system LARGE is characterized by the arrangement of the anode and the cathode opposite to each other on a common axis with a variable distance. The central body of the torch between the electrodes is divided into electrically insulated cascade pla
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Lin, Zhi-Hua, Jong-Shinn Wu, Chen-Yon Tobias Tschang, et al. "Development and Characterization of a Portable Atmospheric-Pressure Argon Plasma Jet for Sterilization." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-51117.

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In this study, we would like to develop a portable round argon atmospheric-pressure plasma jet (APPJ) which can be applied for general use of bacteria inactivation. The APPJ was characterized electrically and optically, which include measurements of absorption power, gas temperature and optical properties of plasma generated species. Measured OH* number density at 5 mm downstream was estimated to be 5.8 × 1015 cm−3 and the electron density and electron temperature were estimated to be 2.4 × 1015 cm−3 and 0.34 eV, respectively, in the discharge region. This APPJ was demonstrated to effectively
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Miyano, Y., Y. Shibata, K. Murai, Y. Kikuchi, and A. Ohmori. "Study on the Photo Catalytic Ability of Plasma Splayed TiO2-HAP Compound Coatings." In ITSC2005, edited by E. Lugscheider. Verlag für Schweißen und verwandte Verfahren DVS-Verlag GmbH, 2005. http://dx.doi.org/10.31399/asm.cp.itsc2005p1356.

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Abstract The photo catalytic TiO2 coatings on biodegradable plastic (polybutylene succinate: PBS) were prepared by using plasma splaying techniques. It is reported that there is a possibility that the performance of photo catalytic TiO2 coating may be advanced by addition of absorption ability [1]. It is also well known that the extraordinary absorption ability of HAP (hydroxyapatite) [2]. In this study, to investigate the influence of the addition of absorption ability to the coatings, not only pure anatase TiO2 powder but also two types of TiO2-HAP compound powder (TiO2- 10wt.%HAP, TiO2-30wt
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Birk, Luka, Ita Junkar, and Ksenija Rener-Sitar. "Use of Gaseous Plasma for Dental Applications." In Socratic lectures 10. University of Lubljana Press, 2024. http://dx.doi.org/10.55295/psl.2024.i15.

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Abstract: Plasma technology is a rapidly growing field of science that permeates various branches of medicine and dental medicine. In dental medicine, cold or nonthermal gaseous plasma can be used directly in the oral cavity for the surface treatment of hard dental tissues, periodontal tissues, or oral mucosa or indirectly for treating dental ma-terials before intraoral use or placement. Simplified atmospheric-pressure plasma de-vices in plasma pencils or jets have broadened the spectrum of plasma technology ap-plications for safe plasma treatment of living tissues. Cold gaseous plasma also al
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