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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">bioph</journal-id><journal-title-group><journal-title xml:lang="ru">Biomedical Photonics</journal-title><trans-title-group xml:lang="en"><trans-title>Biomedical Photonics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2413-9432</issn><publisher><publisher-name>Non-profit partnership for development of domestic photodynamic therapy and photodiagnosis</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24931/2413-9432-2019-8-4-11-16</article-id><article-id custom-type="elpub" pub-id-type="custom">bioph-385</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>Микробиологическое исследование эффективности обработки корневого канала эрбиевым лазером</article-title><trans-title-group xml:lang="en"><trans-title>Microbiological study of the efficiency of root canal treatment with Er:yYAG laser</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Разумова</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Razumova</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">razumova_sv@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Браго</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Brago</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Баракат</surname><given-names>Х. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Barakat</surname><given-names>H. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Козлова</surname><given-names>Ю. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Kozlova</surname><given-names>Yu. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Величко</surname><given-names>Э. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Velichko</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Васильев</surname><given-names>Ю. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Vasiliev</surname><given-names>Yu. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Российский университет дружбы народов</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Peoples Friendship University of Russia (RUDN university)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>18</day><month>02</month><year>2020</year></pub-date><volume>8</volume><issue>4</issue><fpage>11</fpage><lpage>16</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Разумова С.Н., Браго А.С., Баракат Х.Б., Козлова Ю.С., Величко Э.В., Васильев Ю.Л., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Разумова С.Н., Браго А.С., Баракат Х.Б., Козлова Ю.С., Величко Э.В., Васильев Ю.Л.</copyright-holder><copyright-holder xml:lang="en">Razumova S.N., Brago A.S., Barakat H.B., Kozlova Y.S., Velichko E.V., Vasiliev Y.L.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.pdt-journal.com/jour/article/view/385">https://www.pdt-journal.com/jour/article/view/385</self-uri><abstract><p>Механическая и медикаментозная обработка корневого канала – важнейшие составляющие успеха эндодонтического лечения. В статье представлены результаты исследования эффективности дезинфекционной обработки корневого канала 17%-ым раствором этилендиаминтетрауксусной кислоты (ЭДТА) в сочетании с эрбиевым лазером (Er:YAG) in vitro и в клинических исследованиях. Исследование in vitro выполнено на интактных удаленных зубах, инфицированных штаммами Enterococcus faecalis, Streptococcus sanguinis и Candida albicans. Опытную группу зубов обрабатывали медикаментозно по стандартному протоколу с использованием 3%-го раствора гипохлорита натрия и 17%-го раствора ЭДТА с последующим облучением эрбиевым лазером. Обработку контрольной группы зубов проводили анало гичным образом, но без облучения лазером. Эффективность обработки оценивали по уменьшению титра КОЕ. В контрольной группе титр КОЕ после механической и медикаментозной обработки снизился в 4 раза, а в опытной группе была достигнута полная стерилизация корневых каналов. В клинические исследования были включены две группы пациентов по 35 человек с диагнозом хронический пародонтит. В опытной группе пациентов на последнем этапе лечения проводили обработку корневых каналов эрбиевым лазером в течение одной минуты эндодонтической насадкой с энергией 40 мДж с длиной волны 2940 нм, при частоте импульса 10 Гц с 17%-ым раствором ЭДТА и обтурировали. В контрольной группе проводили лечение периодонтита без обработки лазером. В контрольной группе пациентов титр КОЕ после механической и медикаментозной обработки снизился в 3–6 раз, а в опытной группе была достигнута полная стерилизация корневых каналов. Полученные результаты доказывают, что модификация протокола обработки корневого канала излучением эрбиевого лазера является перспективным направлением в эндодонтии.</p></abstract><trans-abstract xml:lang="en"><p>Mechanical and drug treatment of the root canal are the most important components of the success of endodontic treatment. This work presents the results on the effectiveness of the root canal disinfection using an erbium laser in combination with a 17% solution of ethylene diaminetetraacetic acid (EDTA) in vitro and in clinical studies. An in vitro study was carried out on removed intact teeth infected with strains of Enterococcus faecalis, Streptococcus sanguinis, and Candida albicans. An experimental group of teeth was treated medically according to a standard protocol using 3% solution of sodium hypochlorite and 17% solution of EDTA followed by irradiation with erbium laser. The control group was treated similarly but without laser irradiation. The treatment effectiveness was evaluated by the reduction of CFU. After the treatment, in the control group after the mechanical and drug treatment, the CFU amount lowered by 4 times, while the complete sterilization was observed in the experimental group. The clinical studies included two groups of 35 patients each diagnosed with chronic periodontitis. In the experimental group of patients, at the final stage, treatment with erbium laser for 1 min using endodontic piece (40 mJ power, 2940 nm wavelength, 10 Hz pulse rate) and a 17% EDTA solution was performed before filling. Periodontitis treatment in the control group was carried out without the laser treatment. The control group of patients saw the reduction on CFU after the mechanical and drug treatment by 3–6 times, while the experimental group achieved the complete sterilization of the root canals. The obtained results prove that the modification of the root canal treatment by the inclusion of erbium laser irradiation is a promising direction in endodontics.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>эрбиевый лазер (Er:YAG)</kwd><kwd>лазерная обработка</kwd><kwd>эндодонтическое лечение</kwd><kwd>микробиологическое исследование</kwd><kwd>корневой канал</kwd></kwd-group><kwd-group xml:lang="en"><kwd>erbium laser (Er:YAG)</kwd><kwd>laser-activated irrigation</kwd><kwd>endodontic treatment</kwd><kwd>microbiological study</kwd><kwd>root canal</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Рисованная О.Н. Изучение влияния бактериотоксической светотерапии на патогенные возбудители воспалительных заболеваний полости рта // Кубанский научный медицинский вестник. – 2005. – № 4. – С. 25–30.</mixed-citation><mixed-citation xml:lang="en">Risovannaya O.N. 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