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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of Dentistry</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Dentistry</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский стоматологический журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1728-2802</issn><issn publication-format="electronic">2413-2934</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">678045</article-id><article-id pub-id-type="doi">10.17816/dent678045</article-id><article-id pub-id-type="edn">COXYNQ</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Case reports</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Клинические случаи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Efficacy of Erbium Laser Therapy in Management of Peri-Implantitis: Findings of a Clinical Observation</article-title><trans-title-group xml:lang="ru"><trans-title>Эффективность применения эрбиевого лазера при лечении периимплантита: результаты клинического наблюдения</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0006-1457-105X</contrib-id><contrib-id contrib-id-type="spin">6431-7845</contrib-id><name-alternatives><name xml:lang="en"><surname>Sokolov</surname><given-names>Maxim V.</given-names></name><name xml:lang="ru"><surname>Соколов</surname><given-names>Максим Викторович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>maks_sokoloff@mail.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5300-9274</contrib-id><contrib-id contrib-id-type="spin">7108-0928</contrib-id><name-alternatives><name xml:lang="en"><surname>Furtsev</surname><given-names>Taras V.</given-names></name><name xml:lang="ru"><surname>Фурцев</surname><given-names>Тарас Владимирович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine), Professor</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор</p></bio><email>taras.furtsev@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Professor Voino-Yasenetsky Krasnoyarsk State Medical University</institution></aff><aff><institution xml:lang="ru">Красноярский государственный медицинский университет имени профессора В.Ф. Войно-Ясенецкого</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Medident Medical, Scientific, Training and Production Centre</institution></aff><aff><institution xml:lang="ru">Лечебно-научно-учебно-производственный центр “Медидент”</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2025-05-20" publication-format="electronic"><day>20</day><month>05</month><year>2025</year></pub-date><pub-date date-type="pub" iso-8601-date="2025-06-27" publication-format="electronic"><day>27</day><month>06</month><year>2025</year></pub-date><volume>29</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>290</fpage><lpage>296</lpage><history><date date-type="received" iso-8601-date="2025-04-02"><day>02</day><month>04</month><year>2025</year></date><date date-type="accepted" iso-8601-date="2025-04-28"><day>28</day><month>04</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Эко-Вектор</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-Вектор</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2028-06-27"/></permissions><self-uri xlink:href="https://rjdentistry.com/1728-2802/article/view/678045">https://rjdentistry.com/1728-2802/article/view/678045</self-uri><abstract xml:lang="en"><p><bold>BACKGROUND:</bold> Peri-implantitis, frequently resulting from bacterial biofilm formation on implant surfaces, is a leading cause of dental implant failure. This underscores the relevance of developing and implementing effective decontamination methods that remove biofilm while preserving implant integrity and surrounding tissue.</p> <p><bold>CLINICAL CASE DESCRIPTION:</bold> This report presents a clinical case involving a 54-year-old patient with peri-implantitis at site 4.2. The treatment approach was tailored to the implant surface type and involved an Er,Cr:YSGG erbium laser (Biolase, USA) with a wavelength of 2780 nm. Laser irradiation of the anodized titanium dioxide (TiO<sub>2</sub>) implant surface enabled efficient removal of granulation tissue and bacterial biofilm without damaging adjacent tissues and promoted subsequent regeneration. A large area of bone resorption was grafted with a xenogenic bone substitute and covered with a collagen membrane.</p> <p>Clinical and radiographic evaluation at 6-month follow-up demonstrated stable bone levels and absence of inflammation.</p> <p><bold>CONCLUSION:</bold> This clinical case demonstrates the high efficacy of the Er,Cr:YSGG laser as part of comprehensive peri-implantitis management, providing atraumatic and effective implant surface decontamination while promoting bone regeneration.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Обоснование.</bold> Одной из основных причин потери дентальных имплантатов является периимплантит, часто развивающийся из-за формирования бактериальной биоплёнки на поверхности имплантата. В связи с этим актуальны разработка и внедрение эффективных методов очистки поверхности имплантатов, направленных на устранение бактериальной контаминации с минимальным повреждением имплантата и окружающих тканей.</p> <p><bold>Описание клинического случая.</bold> Представлен клинический случай 54-летнего пациента A., которому было проведено успешное лечение периимплантита в области дентального имплантата в позиции 4.2 с применением метода обработки поверхности имплантата в зависимости от её типа, а именно эрбиевого лазера Er,Cr:YSGG (Biolase, США) с длиной волны 2780 нм. Воздействие лазером на поверхность дентального имплантата из анодированного диоксида титана (TiO<sub>2</sub>) обеспечило высокоэффективное удаление грануляционной ткани и бактериальной биоплёнки с поверхности. Использование данного метода предотвращало повреждение окружающих тканей и способствовало их последующей регенерации. Выявленный участок обширной резорбции костной ткани был заполнен костнозамещающим ксеноматериалом и покрыт коллагеновой мембраной.</p> <p>Клинический и рентгенологический контроль осуществляли через 6 мес после оперативного вмешательства. Отмечены стабилизация уровня костной ткани и отсутствие воспалительного процесса.</p> <p><bold>Заключение.</bold> Данный клинический случай подтверждает высокую эффективность в комплексном лечении периимплантита Er,Cr:YSGG-лазера, который обеспечивает щадящую и эффективную очистку поверхности имплантата и способствует регенерации костной ткани.</p></trans-abstract><kwd-group xml:lang="en"><kwd>peri-implantitis</kwd><kwd>erbium laser</kwd><kwd>dental implantation</kwd><kwd>case report</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>периимплантит</kwd><kwd>эрбиевый лазер</kwd><kwd>дентальная имплантация</kwd><kwd>клинический случай</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Berglundh T, Armitage G, Araujo MG, et al. Peri-implant diseases and conditions: Consensus report of workgroup 4 of the 2017 World Workshop on the Classification of Periodontal and Peri-Implant Diseases and Conditions. 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