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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">Kazan medical journal</journal-id><journal-title-group><journal-title xml:lang="en">Kazan medical journal</journal-title><trans-title-group xml:lang="ru"><trans-title>Казанский медицинский журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0368-4814</issn><issn publication-format="electronic">2587-9359</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">676797</article-id><article-id pub-id-type="doi">10.17816/KMJ676797</article-id><article-id pub-id-type="edn">NEVSQL</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Clinical experiences</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Обмен клиническим опытом</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">Outcomes of intentional replantation in the management of crown-root fracture of the maxillary right central incisor</article-title><trans-title-group xml:lang="ru"><trans-title>Результаты лечения коронково-корневого перелома зуба 1.1 методом намеренной реплантации</trans-title></trans-title-group><trans-title-group xml:lang="zh"><trans-title>有意再植法治疗1.1牙齿冠根断裂的结果</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7646-881X</contrib-id><name-alternatives><name xml:lang="en"><surname>Teberdiev</surname><given-names>Takhir R.</given-names></name><name xml:lang="ru"><surname>Тебердиев</surname><given-names>Тахир Расулович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Dentist, Postgraduate Student</p></bio><bio xml:lang="ru"><p>врач-стоматолог, аспирант</p></bio><email>Taha_teberdiev@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-4140-3531</contrib-id><contrib-id contrib-id-type="spin">9905-4138</contrib-id><name-alternatives><name xml:lang="en"><surname>Sheplev</surname><given-names>Boris V.</given-names></name><name xml:lang="ru"><surname>Шеплев</surname><given-names>Борис Валентинович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine), Rector</p></bio><bio xml:lang="ru"><p>д-р мед. наук, ректор</p></bio><email>shepa@icloud.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3885-9358</contrib-id><contrib-id contrib-id-type="spin">3097-4730</contrib-id><name-alternatives><name xml:lang="en"><surname>Badalyan</surname><given-names>Varditer A.</given-names></name><name xml:lang="ru"><surname>Бадалян</surname><given-names>Вардитер Агабековна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine), Assistant Professor, Professor</p></bio><bio xml:lang="ru"><p>д-р мед. наук, доцент, профессор</p></bio><email>krisdent@mail.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8182-5084</contrib-id><contrib-id contrib-id-type="spin">8626-5394</contrib-id><name-alternatives><name xml:lang="en"><surname>Maiborodin</surname><given-names>Igor V.</given-names></name><name xml:lang="ru"><surname>Майбородин</surname><given-names>Игорь Валентинович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine), Professor, Chief Research Associate, Lab. of Invasive Medical Technologies, Vice-Rector for Science</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор, главный научный сотрудник, лаб. инвазивных медицинских технологий, проректор по науке</p></bio><email>imai@mail.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff4"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Novosibirskii mediko-stomatologicheskii institut Dentmaster</institution></aff><aff><institution xml:lang="ru">Новосибирский медико-стоматологический институт Дентмастер</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Central Research Institute of Dentistry and Maxillofacial Surgery</institution></aff><aff><institution xml:lang="ru">Центральный научно-исследовательский институт стоматологии и челюстно-лицевой хирургии</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">The First Sechenov Moscow State Medical University</institution></aff><aff><institution xml:lang="ru">Первый Московский государственный медицинский университет им. И.М. Сеченова</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт химической биологии и фундаментальной медицины Сибирского отделения Российской академии наук</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2025-07-11" publication-format="electronic"><day>11</day><month>07</month><year>2025</year></pub-date><pub-date date-type="pub" iso-8601-date="2025-08-05" publication-format="electronic"><day>05</day><month>08</month><year>2025</year></pub-date><volume>106</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>665</fpage><lpage>671</lpage><history><date date-type="received" iso-8601-date="2025-03-04"><day>04</day><month>03</month><year>2025</year></date><date date-type="accepted" iso-8601-date="2025-05-06"><day>06</day><month>05</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-statement xml:lang="zh">Copyright ©; 2025,</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="2028-08-05"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://eco-vector.com/for_authors.php#07</ali:license_ref></license></permissions><self-uri xlink:href="https://kazanmedjournal.ru/kazanmedj/article/view/676797">https://kazanmedjournal.ru/kazanmedj/article/view/676797</self-uri><abstract xml:lang="en"><p>This study aimed to demonstrate the potential of intentional replantation in treating a crown-root fracture of tooth 8 (ISO designation 11) that occurred 6 months earlier in a 12-year-old male. A crack in the coronal portion of the tooth extended from the center of the incisal edge apically beyond the cervical margin. Intraoral radiography and cone-beam computed tomography revealed a vertical fracture line extending 3 mm apical to the alveolar crest and bone loss in the apical region and around the mid-root area. During surgery, the root was atraumatically extracted. Its length (12 mm) and an extra-alveolar time of &lt;1 minute enabled tooth preservation—intentional replantation of the root into the socket. The tooth was stabilized using a wire-composite splint for root canal therapy. The root canal was mechanically and chemically prepared and temporarily filled with calcium hydroxide. Gingival margin approximation was performed using sutures. Splinting was maintained for 3 weeks. The patient received anti-inflammatory therapy, antibiotics, and antiseptic mouthwashes. Sutures were removed 3 weeks postoperatively. The root canal was re-instrumented and obturated. Tooth 8 was restored with a glass fiber post and composite resin. After tooth preparation, a CAD/CAM composite crown was fabricated and adhesively cemented. At 11-month follow-up, nearly complete bone defect healing was observed. Intentional replantation was highly effective in crown-root fracture management, enabling tooth preservation despite an unfavorable prognosis.</p></abstract><trans-abstract xml:lang="ru"><p>Цель работы — продемонстрировать возможности метода намеренной реплантации при лечении коронково-корневого перелома зуба 1.1, возникшего 6 мес назад у пациента мужского пола 12 лет. В коронковой части зуба 1.1 была диагностирована трещина, начинавшаяся от центра режущего края и продолжающаяся апикальнее шейки. По данным внутриротовой рентгенограммы и конусно-лучевой компьютерной томограммы выявлена вертикальная линия перелома, проходящая на 3 мм апикальнее края альвеолярной кости; также обнаружена деструкция костной ткани в области верхушки и по периметру корня на уровне его середины. Во время операции корень зуба был атравматично удалён. Его длина (12 мм) и экстраальвеолярное время &lt;1 мин позволили провести зубосохраняющую операцию — намеренную реплантацию корня в лунку. Зуб был зафиксирован проволочно-композитной шиной для проведения эндодонтического лечения. Корневой канал обработан механически и медикаментозно, временно обтурирован гидроокисью кальция. Края десны сближены максимально плотно с корнем зуба наложением швов. Осуществлено шинирование на 3 нед, назначены противовоспалительная терапия, антибактериальное лечение, антисептическая обработка полости рта. Швы были сняты через 3 нед после операции. Проведена повторная механическая и медикаментозная обработка корневого канала с его обтурацией. Зуб 1.1 восстановлен с использованием стекловолоконного штифта и композитного материала. После препарирования изготовлена и зафиксирована композитная коронка методом CAD/CAM с применением адгезивной системы. Через 11 мес зарегистрировано почти полное заживление очагов деструкции костной ткани. Метод намеренной реплантации в процессе лечения коронково-корневого перелома зуба показал высокую эффективность в сложной клинической ситуации, позволив сохранить зуб при неблагоприятном прогнозе.</p></trans-abstract><trans-abstract xml:lang="zh"><p>这项工作的目的是证明有意再植方法在治疗牙冠根部骨折1.1中的可能性，该方法发生在6个月前的一名12岁的男性患者中。 在牙齿1.1的冠部诊断出裂纹，从切削刃的中心开始，一直到颈部。 根据口内X射线和锥束计算机断层扫描，显示了一条垂直的断裂线，沿牙槽骨边缘延伸3毫米；骨组织的破坏也在先端区域和根部的周边在其中间的水平上被检测到。 在手术过程中，牙根被无创伤地移除。 它的长度（12毫米）和牙槽外时间&lt;1分钟允许一个牙齿保留操作—有意根再植到孔。 用复合钢丝夹板固定牙齿进行牙髓治疗。 对根管进行机械和药物处理，并暂时涂上氢氧化钙。 通过缝合，牙龈边缘尽可能靠近牙根。 进行夹板3周，对口腔进行抗炎治疗，抗菌治疗和防腐治疗。 手术后3周拆线。 对根管的闭孔进行了反复的机械和医学治疗. 使用玻璃纤维销和复合材料修复了牙齿1.1。 在制备之后，制成复合冠并使用CAD/CAM方法使用粘合剂系统固定。 11个月后，记录了骨组织破坏灶的几乎完全愈合。 在治疗牙齿冠根骨折期间有意再植的方法在困难的临床情况下显示出高效率，允许以不利的预后保存牙齿。</p></trans-abstract><kwd-group xml:lang="en"><kwd>crown-root fracture</kwd><kwd>tooth replantation</kwd><kwd>surgical extrusion</kwd><kwd>alveolar bone loss</kwd><kwd>tooth-preserving surgery</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>коронково-корневой перелом зуба</kwd><kwd>реплантация зуба</kwd><kwd>хирургическая экструзия зуба</kwd><kwd>деструкция костной ткани</kwd><kwd>зубосохраняющая операция</kwd></kwd-group><kwd-group xml:lang="zh"><kwd>牙冠-牙根骨折</kwd><kwd>牙齿再植</kwd><kwd>手术牙挤压</kwd><kwd>骨组织破坏</kwd><kwd>牙科手术</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="en">Ministry of Science and Higher Education of the Russian Federation</institution></institution-wrap><institution-wrap><institution xml:lang="ru">Министерство науки и высшего образования Российской Федерации</institution></institution-wrap></funding-source><award-id>075-03-2025-069</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Khubchandani M, Yeluri R, Pankey N, Pande M. 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