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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">periodontology</journal-id><journal-title-group><journal-title xml:lang="ru">Пародонтология</journal-title><trans-title-group xml:lang="en"><trans-title>Parodontologiya</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1683-3759</issn><issn pub-type="epub">1726-7269</issn><publisher><publisher-name>Russian Periodontal Association (RPA)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33925/1683-3759-2025-991</article-id><article-id custom-type="elpub" pub-id-type="custom">periodontology-991</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>ИССЛЕДОВАНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RESEARCH</subject></subj-group></article-categories><title-group><article-title>Оценка выживаемости имплантатов и анализ основных причин отторжений на ранних этапах лечения. Ретроспективное исследование</article-title><trans-title-group xml:lang="en"><trans-title>Evaluation of implant survival and causes of early implant failure: a retrospective study</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0006-7524-9136</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дудин</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Dudin</surname><given-names>M. А.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дудин Михаил Анатольевич, кандидат медицинских наук, доцент кафедры хирургической стоматологии, стоматологической имплантации и челюстно-лицевой хирургии</p><p>Новосибирск</p></bio><bio xml:lang="en"><p>Mikhail A. Dudin, DDS, PhD, Associate Professor, Department of the Oral Surgery, Dental Implantation and Maxillofacial Surgery</p><p>Novosibirsk </p></bio><email xlink:type="simple">dr.m.dudin@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-1044-6360</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Черновол</surname><given-names>Е. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Chernovol</surname><given-names>E. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Черновол Елизавета Михайловна, кандидат медицинских наук, ассистент кафедры клинической стоматологии</p><p>191015, ул. Кирочная, д.41, г. Санкт-Петербург</p></bio><bio xml:lang="en"><p>Elizaveta M. Chernovol, DMD, PhD, Assistant Professor, Department of Clinical Dentistry</p><p>41 Kirochnaya Str., Saint Petersburg, 191015</p></bio><email xlink:type="simple">clinic@stomus.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0227-7869</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рубежов</surname><given-names>А. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Rubezhov</surname><given-names>A. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рубежов Александр Леонидович, кандидат медицинских наук, доцент, заведующий кафедрой клинической стоматологии</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Alexandr L. Rubezov, DMD, PhD, Head of the Department of Clinical Dentistry</p><p>Saint Petersburg </p></bio><email xlink:type="simple">rubezhov68@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4141-1370</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Соловьева</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Solovyeva</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Соловьева Анна Михайловна, доктор медицинских наук, профессор кафедры стоматологии и челюстно-лицевой хирургии Института медицинского образования</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Anna M. Solovyeva, DMD, PhD, DSc, Professor, Department of the Dentistry and Maxillofacial Surgery, Institute of Medical Education</p><p>Saint Petersburg </p></bio><email xlink:type="simple">anna-solovyeva@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0006-4133-7744</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Черновол</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Chernovol</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Черновол Наталья Вячеславовна, генеральный директор</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Natalia V. Chernovol, General Director</p><p>Saint Petersburg </p></bio><email xlink:type="simple">nv.stomus@mail.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0009-6565-1166</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ковалевский</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kovalevsky</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ковалевский Сергей Васильевич, врач-стоматолог хирург</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Sergei V. Kovalevskii, DDS</p><p>Saint Petersburg</p></bio><email xlink:type="simple">ucheba@stomus.ru</email><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Новосибирский государственный медицинский университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Novosibirsk State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Северо-Западный государственный медицинский университет имени И. И. Мечникова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>North-West State Medical University named after I. I. Mechnikov</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Национальный медицинский исследовательский центр имени В. А. Алмазова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Almazov National Medical Research Centre</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Стоматологический центр «Стомус»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Dental Center “Stomus”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>25</day><month>04</month><year>2025</year></pub-date><volume>30</volume><issue>1</issue><fpage>49</fpage><lpage>57</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Дудин М.А., Черновол Е.М., Рубежов А.Л., Соловьева А.М., Черновол Н.В., Ковалевский С.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Дудин М.А., Черновол Е.М., Рубежов А.Л., Соловьева А.М., Черновол Н.В., Ковалевский С.В.</copyright-holder><copyright-holder xml:lang="en">Dudin M.А., Chernovol E.M., Rubezhov A.L., Solovyeva A.M., Chernovol N.V., Kovalevsky S.V.</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.parodont.ru/jour/article/view/991">https://www.parodont.ru/jour/article/view/991</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. Имплантологическое лечение сопряжено с определенными рисками и осложнениями, которые могут развиваться как до завершения процесса остеоинтеграции, так и после в области остеоинтегрированного имплантата в период функциональной нагрузки, в конечном итоге приводя к потере имплантата. Выживаемость имплантатов является важным критерием оценки эффективности и безопасности имплантационной системы в клинической практике.</p></sec><sec><title>Цель</title><p>Цель. Оценка выживаемости дентальных имплантатов отечественной имплантационной системы А2 в первый год после установки, а также анализ основных причин их отторжений на ранних этапах лечения.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Исследование проведено на основании медицинской документации пациентов, проходивших лечение с использованием имплантационной системы А2 с ноября 2022 по октябрь 2023 года в трех стоматологических клиниках. Общее количество пациентов составило 385 человек. Общее количество установленных имплантатов – 770 штук. Мониторинг результатов лечения осуществлялся в течение одного года после установки имплантатов. Для оценки результатов лечения использовались следующие критерии: благоприятный исход лечения – использование имплантата в качестве опоры для ортопедической конструкции, неблагоприятный исход лечения – отторжение имплантата.</p></sec><sec><title>Результаты</title><p>Результаты. В течение первого года из 770 установленных имплантатов А2 в области 765 имплантатов произошла остеоинтеграция, и было выполнено протезирование. 5 имплантатов отторглись. Два имплантата были удалены в первый месяц после установки в связи с воспалением в зоне имплантации. Один имплантат стал подвижным в результате бытовой травмы. Еще два имплантата были удалены до окончательного протезирования по причине подвижности на этапе установки формирователя десны. Таким образом, исследование выявило 0,6% осложнений в первый год после имплантации. Общая выживаемость имплантатов в ранний период составила 99,4%.</p></sec><sec><title>Заключение</title><p>Заключение. Исследуемый дизайн имплантатов продемонстрировал свою эффективность в различных клинических ситуациях. Выживаемость имплантатов в первый год после установки составила 99,4%.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Relevance</title><p>Relevance. Dental implant treatment is associated with specific risks and complications that may occur either before the completion of osseointegration or around an osseointegrated implant during functional loading, ultimately leading to implant loss. Implant survival is a key criterion for evaluating the clinical efficacy and safety of an implant system.</p></sec><sec><title>Objective</title><p>Objective. To evaluate the one-year survival rate of dental implants from the domestic A2 implant system after placement and to identify the main causes of early implant failure.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The study was based on the medical records of patients treated with the A2 implant system between November 2022 and October 2023 in three dental clinics. A total of 385 patients were included, and 770 implants were placed. Outcomes were monitored for one year following implant placement. Treatment results were assessed using the following criteria: favorable outcome—implant used as a support for a prosthetic restoration; unfavorable outcome—implant failure.</p></sec><sec><title>Results</title><p>Results. During the first year, osseointegration was achieved in 765 out of 770 placed A2 implants, followed by successful prosthetic restoration. Five implants failed. Two were removed within the first month due to inflammation at the implant site. One implant became mobile following a domestic injury. Two additional implants were removed prior to definitive prosthetic restoration due to mobility detected during healing abutment placement. Thus, the study identified a 0.6% complication rate in the first year following implantation. The overall early survival rate of the implants was 99.4%.</p></sec><sec><title>Conclusion</title><p>Conclusion. The evaluated implant design demonstrated clinical effectiveness across various treatment scenarios. 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