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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">detstom</journal-id><journal-title-group><journal-title xml:lang="ru">Стоматология детского возраста и профилактика</journal-title><trans-title-group xml:lang="en"><trans-title>Pediatric dentistry and dental prophylaxis</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1683-3031</issn><issn pub-type="epub">1726-7218</issn><publisher><publisher-name>RPA</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33925/1683-3031-2024-861</article-id><article-id custom-type="elpub" pub-id-type="custom">detstom-861</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>ОРИГИНАЛЬНАЯ СТАТЬЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLE</subject></subj-group></article-categories><title-group><article-title>Франкфуртская горизонталь у пациентов с односторонним анкилозом височно-нижнечелюстного сустава, развившимся в раннем детском возрасте, и ее роль в планировании и прогнозировании лечения</article-title><trans-title-group xml:lang="en"><trans-title>The role of the Frankfurt Plane in treatment planning and prognosis for patients with unilateral temporomandibular joint ankylosis developed in early childhood</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7294-5247</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зангиева</surname><given-names>О. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Zangieva</surname><given-names>O. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Зангиева Ольга Таймуразовна, кандидат медицинских наук, доцент кафедры челюстно-лицевой хирургии и стоматологии Института усовершенствования врачей</p><p>105203, ул. Нижняя Первомайская, д. 70, г. Москва</p></bio><bio xml:lang="en"><p>Zangieva T. Olga, DDS, PhD, Associate Professor, Department of the Maxillofacial surgery, Institute of Advanced Medical Training</p><p>70 Nizhnyaya Pervomayskaya Str., Moscow, 105203</p></bio><email xlink:type="simple">olga.dok.oz@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/0000-0001-6247-957X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Епифанов</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Epifanov</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Епифанов Сергей Александрович, доктор медицинских наук, профессор, заведующий кафедрой челюстно-лицевой хирургии и стоматологии Института усовершенствования врачей</p><p>Москва</p></bio><bio xml:lang="en"><p>Sergei A. Epifanov, DDS, PhD, DSc, Professor, Head of the Department of Maxillofacial surgery, Institute of Advanced Medical Training</p><p>Moscow</p></bio><email xlink:type="simple">cmfsg@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/0009-0007-3750-8552</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Крайнюкова</surname><given-names>Л. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Krainykova</surname><given-names>L. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Крайнюкова Лариса Александровна, кандидат медицинских наук, доцент кафедры челюстно-лицевой хирургии и стоматологии Института усовершенствования врачей</p><p>Москва</p></bio><bio xml:lang="en"><p>Larisa A. Krainykova, DDS, PhD, Associate Professor, Department of the Maxillofacial surgery, Institute of Advanced Medical Training</p><p>Moscow </p></bio><email xlink:type="simple">iuv@pirogov-center.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/0000-0002-3896-3756</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Топольницкий</surname><given-names>О. З.</given-names></name><name name-style="western" xml:lang="en"><surname>Topolnitsky</surname><given-names>O. Z.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Топольницкий Орест Зиновьевич, доктор медицинских наук, профессор, заслуженный врач РФ, заведующий кафедрой детской челюстно-лицевой хирургии</p><p>Москва</p></bio><bio xml:lang="en"><p>Orest Z. Topolnitskiy, DD, PhD, DSc, Professor, Head of the Department of the Pediatric Maxillofacial Surgery</p><p>Moscow</p></bio><email xlink:type="simple">proftopol@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный медико-хирургический Центр имени Н. И. Пирогова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Medical and Surgical Center named after N. I. Pirogov</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>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>2024</year></pub-date><pub-date pub-type="epub"><day>24</day><month>01</month><year>2025</year></pub-date><volume>24</volume><issue>4</issue><fpage>345</fpage><lpage>351</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Зангиева О.Т., Епифанов С.А., Крайнюкова Л.А., Топольницкий О.З., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Зангиева О.Т., Епифанов С.А., Крайнюкова Л.А., Топольницкий О.З.</copyright-holder><copyright-holder xml:lang="en">Zangieva O.T., Epifanov S.A., Krainykova L.A., Topolnitsky O.Z.</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.detstom.ru/jour/article/view/861">https://www.detstom.ru/jour/article/view/861</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. Актуальным вопросом на сегодняшний день является лечение пациентов с односторонним анкилозом височно-нижнечелюстного сустава (ВНЧС). Так как пациенты с односторонним анкилозом, развившимся в раннем детском возрасте имеют грубые асимметричные деформации, необходима оценка степени асимметрии левой и правой половин черепа, разницы в положении слухового прохода и наклона плоскости Франкфурта для будущего анализа и реконструкции суставной ямки ВНЧС при тотальном эндопротезировании.</p></sec><sec><title>Цель</title><p>Цель: определить разницу угла наклона франкфуртской горизонтали у пациентов с односторонним анкилозом ВНЧС, возникшим в раннем детском возрасте.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. В исследовании приняли участие 38 человек с односторонним анкилозом ВНЧС (18 мальчиков, 20 девочек) в возрасте с 13 до 19 лет. В анамнезе заболевания: анкилоз диагносцирован в возрасте от 1 до 6 лет. Всем пациентам проводили компьютерную томограмму головы, далее в специализированных программах проводили ротацию головы в соответствии с привычным положением головы и проводили измерения уровня расположения цефалометрических точек Por и Or левой и правой половины черепа. Измерения наклона Франкфуртской горизонтали проводили с помощью цифровых программ с использованием анализа Jacobson 3D.</p></sec><sec><title>Результаты</title><p>Результаты. При изучении компьютерных томограмм 38 пациентов с одностороннем анкилозом, возникшим в раннем детском возрасте (1-6 лет), выявлена закономерность в отношении уровня расположения слухового прохода и, тем самым, прилегающих структур. Porion на стороне анкилоза в среднем располагался ниже на 5,74 мм по сравнению с контралатеральной стороной, а средний угол наклона франкфуртской горизонтали на стороне анкилоза превышал показатели нормы и составил 5,48°, тогда как угол наклона на контралатеральной стороне не превышал порог нормы (0-3°).</p></sec><sec><title>Заключение</title><p>Заключение. Таким образом разницу наклона франкфуртской горизонтали у 87% пациентов с односторонним анкилозом, развившимся в раннем детском возрасте, необходимо учитывать при планировании лечения, моделировании тотального эндопротеза и прогнозирования лечения данной категории больных.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Relevance</title><p>Relevance. The treatment of unilateral temporomandibular joint (TMJ) ankylosis remains a significant challenge. Children who develop unilateral ankylosis in early childhood frequently exhibit pronounced craniofacial asymmetry. Accordingly, assessing the extent of asymmetry between the left and right sides of the skull, the positional discrepancy of the auditory canals, and the inclination of the Frankfurt plane is crucial for planning future analyses and reconstructing the TMJ fossa during total joint replacement.</p></sec><sec><title>Objective</title><p>Objective. To determine the difference in the Frankfurt plane inclination angle in patients with unilateral TMJ ankylosis that developed in early childhood.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The study included 38 patients (18 boys and 20 girls) aged 13 to 19 years with unilateral TMJ ankylosis diagnosed between the ages of 1 and 6. All patients underwent head computed tomography (CT), followed by cranial rotation analysis using specialized software to align with the natural head posture. Measurements of cephalometric landmarks Porion (Por) and Orbitale (Or) on both sides of the skull were performed, and the inclination of the Frankfurt plane was assessed using Jacobson 3D digital analysis tools.</p></sec><sec><title>Results</title><p>Results. CT analysis of 38 patients with unilateral TMJ ankylosis, diagnosed between the ages of 1 and 6, revealed a consistent pattern in the position of the auditory canal and adjacent structures. The Porion on the ankylosed side was, on average, 5.74 mm lower than on the contralateral side. Furthermore, the mean inclination angle of the Frankfurt plane on the ankylosed side exceeded the normal range, averaging 5.48°, while the angle on the contralateral side remained within normal limits (0–3°).</p></sec><sec><title>Conclusion</title><p>Conclusion. The difference in Frankfurt plane inclination observed in 87% of patients with unilateral TMJ ankylosis developed in early childhood should be taken into account when planning treatment, designing total TMJ prostheses, and forecasting clinical outcomes for this patient population.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>односторонний анкилоз ВНЧС</kwd><kwd>тотальное эндопротезирование ВНЧС</kwd><kwd>ортодонтическое лечение</kwd><kwd>франкфуртская горизонталь</kwd></kwd-group><kwd-group xml:lang="en"><kwd>unilateral TMJ ankylosis</kwd><kwd>total TMJ replacement</kwd><kwd>orthodontic treatment</kwd><kwd>Frankfurt plane</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">Kaban LB, Perrott DH, Fisher K. A protocol for management of temporomandibular joint ankylosis. 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