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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">medalphabet</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинский алфавит</journal-title><trans-title-group xml:lang="en"><trans-title>Medical alphabet</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2078-5631</issn><issn pub-type="epub">2949-2807</issn><publisher><publisher-name>ООО «Альфмед»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33667/2078-5631-2026-1-55-60</article-id><article-id custom-type="elpub" pub-id-type="custom">medalphabet-4910</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Сравнительная клиническая оценка качества ортопедического лечения моляров CAD/CAM эндокоронками методикой chairside</article-title><trans-title-group xml:lang="en"><trans-title>Comparative clinical evaluation of the quality of prosthodontic treatment of molars using CAD/CAM endocrowns with the chairside technique</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0001-9502-2397</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гук</surname><given-names>Н. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Guk</surname><given-names>N. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гук Никита Октавианович – аспирант кафедры ортопедической стоматологии</p><p>г. Москва</p></bio><bio xml:lang="en"><p>Guk Nikita Octavianovich1 – postgraduate student of the Department of Orthopedic Dentistry</p><p>Moscow</p></bio><email xlink:type="simple">dr.guknikita@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0437-1290</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Савельев</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Saveliev</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Савельев Василий Владимирович – к.м.н. кафедры ортопедической стоматологии</p><p>г. Москва</p></bio><bio xml:lang="en"><p>Saveliev Vasily Vladimirovich – Candidate of Medical Sciences of the Department of Orthopedic Dentistry</p><p>Moscow</p></bio><email xlink:type="simple">bazilsav@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/0000-0002-4050-484X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лебеденко</surname><given-names>И. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Lebedenko</surname><given-names>I. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лебеденко Игорь Юльевич – д.м.н., профессор, заведующий кафедрой ортопедической стоматологии</p><p>г. Москва</p></bio><bio xml:lang="en"><p>Lebedenko Igor Yulievich – MD, Professor, Head of the Department of Orthopedic Dentistry</p><p>Moscow</p></bio><email xlink:type="simple">lebedenkoi@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1851-2982</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Деев</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Deev</surname><given-names>M. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Деев Михаил Сергеевич – к.м.н, доцент, профессор кафедры ортопедической стоматологии Медицинского института</p><p>г. Москва</p></bio><bio xml:lang="en"><p>Deev Mikhail Sergeevich – PhD, associate professor, professor of the Department of Orthopedic Dentistry at the Medical Institute</p><p>Moscow</p></bio><email xlink:type="simple">deevms@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4978-2608</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Быков</surname><given-names>Д. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Bykov</surname><given-names>D. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Быков Денис Олегович – к.м.н, кафедра технологий протезирования в стоматологии</p><p>г. Москва</p></bio><bio xml:lang="en"><p>Bykov Denis Olegovich – PhD, Department of Prosthetics Technology in Dentistry</p><p>Moscow</p></bio><email xlink:type="simple">13dantist@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/0000-0003-1885-4269</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шумская</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shumskaya</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шумская Джамиля Айдаровна – к.м.н., ассистент кафедры ортопедической стоматологии Медицинского института</p><p>г. Москва</p></bio><bio xml:lang="en"><p>Shumskaya Jamilya Aidarovna – PhD, assistant of the Department of Orthopedic Dentistry at the Medical Institute</p><p>Moscow</p></bio><email xlink:type="simple">sakhabieva-da@rudn.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГАОУ ВО «Российский университет дружбы народов им. Патриса Лумумбы»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Peoples’ Friendship University of Russia named after Patrice Lumumba</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБОУ ВО «Российский университет медицины»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian University of Medicine</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>02</day><month>04</month><year>2026</year></pub-date><volume>0</volume><issue>1</issue><issue-title>Стоматология (1)</issue-title><fpage>55</fpage><lpage>60</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гук Н.О., Савельев В.В., Лебеденко И.Ю., Деев М.С., Быков Д.О., Шумская Д.А., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Гук Н.О., Савельев В.В., Лебеденко И.Ю., Деев М.С., Быков Д.О., Шумская Д.А.</copyright-holder><copyright-holder xml:lang="en">Guk N.O., Saveliev V.V., Lebedenko I.Y., Deev M.S., Bykov D.O., Shumskaya D.A.</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.med-alphabet.com/jour/article/view/4910">https://www.med-alphabet.com/jour/article/view/4910</self-uri><abstract><p>Введение. Восстановление эндодонтически леченных жевательных зубов остаётся одной из наиболее сложных задач ортопедической стоматологии в связи с высоким риском переломов и несостоятельности реставраций. В последние годы особый интерес представляет применение CAD/CAM-эндокоронок как минимально инвазивной альтернативы традиционным штифтово-культевым конструкциям. Активное внедрение технологии chairside, а также появление новых керамических материалов, включая усовершенствованный дисиликат лития и многослойный диоксид циркония, требует клинической оценки их эффективности, в том числе при традиционном и скоростном режимах спекания. Цель работы – провести сравнительную клиническую оценку качества ортопедического лечения эндодонтически леченных моляров CAD/CAM-эндокоронками, изготовленными из усовершенствованного дисиликата лития и многослойного диоксида циркония, с использованием технологии chairside при различных режимах спекания. Материалы и методы. Проведено проспективное клиническое исследование с динамическим наблюдением в течение 2 лет за 30 пациентами, которым были изготовлены одиночные эндокоронки на депульпированные моляры. Сформированы три группы: эндокоронки из усовершенствованного дисиликата лития CEREC Tessera (скоростной обжиг), эндокоронки из диоксида циркония Ziceram ML CT (скоростное спекание) и контрольная группа эндокоронок из Ziceram ML CT после традиционного спекания. Все реставрации были изготовлены по технологии CAD/CAM chairside и адгезивно зафиксированы. Клиническая оценка проводилась по модифицированным критериям FDI с анализом эстетических, функциональных и биологических параметров сразу после фиксации и через 1, 2, 6, 12, 18 и 24 месяца. Результаты. Во всех группах на всех сроках наблюдения отмечен высокий уровень клинического успеха. Не зарегистрировано случаев потери ретенции, сколов, переломов реставраций или осложнений со стороны твёрдых тканей зубов и пародонта. Показатели эстетических, функциональных и биологических критериев не имели статистически значимых различий между группами. Все пациенты были удовлетворены результатами ортопедического лечения. Показатель клинического успеха составил 100%. Выводы. Результаты исследования показали, что CAD/CAM-эндокоронки, изготовленные из диоксида циркония Ziceram ML CT и усовершенствованного дисиликата лития CEREC Tessera, обеспечивают сопоставимую высокую клиническую эффективность при восстановлении эндодонтически леченных жевательных зубов. Применение скоростного режима спекания диоксида циркония не снижает клинические показатели качества реставраций по сравнению с традиционным протоколом. Полученные данные подтверждают целесообразность использования технологии chairside и керамических материалов в клинической практике, однако требуют дальнейших долгосрочных наблюдений.</p></abstract><trans-abstract xml:lang="en"><p>Introduction. Restoration of endodontically treated posterior teeth remains one of the most challenging tasks in prosthodontics due to the high risk of tooth fracture and restoration failure. In recent years, CAD/CAM endocrowns have attracted considerable interest as a minimally invasive alternative to conventional post-and-core restorations. The active implementation of chairside technology, along with the development of new ceramic materials, including advanced lithium disilicate and multilayer zirconia, necessitates clinical evaluation of their effectiveness, including under conventional and speed sintering protocols. Aim. To perform a comparative clinical evaluation of the quality of prosthodontic treatment of endodontically treated molars restored with CAD/CAM endocrowns fabricated from advanced lithium disilicate and multilayer zirconia using the chairside technique under different sintering protocols. Materials and methods. A prospective clinical study with dynamic follow-up over a 2-year period was conducted in 30 patients who received single endocrown restorations on endodontically treated molars. Three groups were formed: endocrowns fabricated from advanced lithium disilicate CEREC Tessera (speed firing), endocrowns fabricated from multilayer zirconia Ziceram ML CT (speed sintering), and a control group of endocrowns fabricated from Ziceram ML CT using conventional sintering. All restorations were fabricated using CAD/CAM chairside technology and adhesively luted. Clinical evaluation was performed using modified FDI criteria, including assessment of esthetic, functional, and biological parameters immediately after cementation and at 1, 2, 6, 12, 18, and 24 months. Results. All groups demonstrated a high level of clinical success at all follow-up periods. No cases of loss of retention, chipping, fracture of the restorations, or complications involving hard dental tissues or periodontal structures were recorded. No statistically significant differences were observed among the groups with respect to esthetic, functional, or biological criteria. All patients reported satisfaction with the treatment outcomes. The overall clinical success rate was 100%. Conclusions. The results of the present study indicate that CAD/CAM endocrowns fabricated from multilayer zirconia Ziceram ML CT and advanced lithium disilicate CEREC Tessera provide comparably high clinical effectiveness in the restoration of endodontically treated posterior teeth. The use of a speed sintering protocol for zirconia did not adversely affect the clinical performance of the restorations compared with the conventional sintering protocol. These findings support the feasibility of chairside technology and contemporary ceramic materials in routine clinical practice; however, further long-term clinical studies are required.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>многослойный диоксид циркония</kwd><kwd>усовершенствованный дисиликат лития с виргилитом</kwd><kwd>скоростной обжиг</kwd><kwd>эндокоронка</kwd><kwd>адгезивная фиксация</kwd><kwd>CAD/CAM</kwd><kwd>chairside технология</kwd><kwd>клиническая оценка</kwd></kwd-group><kwd-group xml:lang="en"><kwd>multilayer zirconia</kwd><kwd>advanced lithium disilicate with virgilite</kwd><kwd>speed firing</kwd><kwd>endocrown</kwd><kwd>adhesive luting</kwd><kwd>CAD/CAM</kwd><kwd>chairside technology</kwd><kwd>clinical evaluation</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">Alhamdan M.M., Aljamaan R.F., Abuthnain M.M., Alsumikhi S.A., Alqahtani G.S., &amp; Alkharaiyef R.A. 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