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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">10.33925/1683-3031-2022-22-4-261-268</article-id><article-id custom-type="elpub" pub-id-type="custom">detstom-566</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>Цифровой анализ морфофункционального состояния зубочелюстной системы у пациентов с дистальной окклюзией до и после лечения аппаратом Твин Блок</article-title><trans-title-group xml:lang="en"><trans-title>Digital analysis of stomatognathic system morphofunctional condition in patients with distal occlusion before and after treatment with the Twin Block appliance</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6554-9449</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ширяева</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shiryaeva</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ширяева Татьяна Вячеславовна, аспирант кафедры ортодонтии</p><p>Москва</p></bio><bio xml:lang="en"><p>Tatyana V. Shiryaeva, DMD, PhD student, Department of Orthodontics</p><p>Moscow</p></bio><email xlink:type="simple">tatyanashiryaeva94@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/0000-0002-8523-6076</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Оборотистов</surname><given-names>Н. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Oborotistov</surname><given-names>N. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Оборотистов Николай Юрьевич, кандидат медицинских наук, доцент кафедры ортодонтии, заведующий отделением клиники ортодонтии</p><p>Москва</p></bio><bio xml:lang="en"><p>Nikolay Yu. Oborotistov, DMD, PhD, Associate Professor, Department of Orthodontics; Head of the Department, Clinic of Orthodontics</p><p>Moscow</p></bio><email xlink:type="simple">oborotistov@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/0000-0003-3982-5512</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мураев</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Muraev</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мураев Александр Александрович, доктор медицинских наук, профессор кафедры челюстно-лицевой хирургии и хирургической стоматологии</p><p>Москва</p></bio><bio xml:lang="en"><p>Alexandr A. Muraev, DDS, PhD, DSc, Professor, Department of Maxillofacial and Oral Surgery Dentistry</p><p>Moscow</p></bio><email xlink:type="simple">muraev_aa@pfur.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский государственный медико-стоматологический университет им. А. И. Евдокимова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow State University of Medicine and Dentistry named after A. I. Evdokimov</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Российский университет дружбы народов</institution><country>Россия</country></aff><aff xml:lang="en"><institution>The Peoples’ Friendship University of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>02</day><month>02</month><year>2023</year></pub-date><volume>22</volume><issue>4</issue><fpage>261</fpage><lpage>268</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ширяева Т.В., Оборотистов Н.Ю., Мураев А.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Ширяева Т.В., Оборотистов Н.Ю., Мураев А.А.</copyright-holder><copyright-holder xml:lang="en">Shiryaeva T.V., Oborotistov N.Y., Muraev A.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.detstom.ru/jour/article/view/566">https://www.detstom.ru/jour/article/view/566</self-uri><abstract><p>Актуальность. В течение многих лет проводились исследования для оценки возможностей модификации роста челюстно-лицевого комплекса во время ортодонтического лечения функциональными аппаратами. Несмотря на большое количество работ, посвященных лечению дистальной окклюзии зубных рядов у детей и подростков, до сих пор не существует единого мнения касательно тактики и сроков проведения данного лечения.Материалы и методы. В статье представлены результаты лечения дистальной окклюзии зубных рядов у детей и подростков в возрасте 7-18 лет с помощью аппарата Твин Блок. Исследование включало в себя клинические, антропометрические, лучевые и функциональные методы исследования.Результаты. В процессе лечения во всех группах была устранена дистальная окклюзия зубных рядов, в первой группе длина тела нижней челюсти до лечения составляла 64,4 ± 2,8 мм, после лечения 69,6 ± 2,4 мм (p = 0,016), во второй группе длина тела нижней челюсти до лечения составляла 69,7 ± 6,6 мм, после лечения – 72,5 ± 6,9 мм (p = 0,019), в третьей группе длина тела нижней челюсти до лечения составляла 69,8 ± 5,6 мм, после лечения – 74,0 ± 4,3 мм (p = 0,005). В области височно-нижнечелюстных суставов не выявлено патологических изменений, после лечения у большинства пациентов было выявлено переднее положение мыщелков (70%).Заключение. Ортодонтическое лечение пациентов в возрасте 7-18 лет с дистальной окклюзией зубных рядов с помощью аппарата Твин Блок является эффективным методом лечения. Наиболее целесообразно проводить ортодонтическое лечение с помощью функционально действующих аппаратов в период пика роста, когда возможно получение значимых скелетных изменений.</p></abstract><trans-abstract xml:lang="en"><p>Relevance. For many years studies have evaluated the possibilities of modifying the growth of the maxillofacial complex during orthodontic treatment with functional appliances. Despite the large number of studies devoted to orthodontic treatment of distal occlusion in children and adolescents, there is no consensus among orthodontists on the appropriateness, timing and tactics of such treatment.Material and methods. The article presents the results of the treatment of distal occlusion in children and adolescents aged 7-18 years using the Twin Block appliance. The study included clinical, anthropometric, radiographic and functional research methods.Results. The course of treatment eliminated distal occlusion in all groups; in Group 1, the length of the mandibular body was 64.4 ± 2.8 mm before the treatment and 69.6 ± 2.4 mm after the treatment (p = 0.016); in Group 2, the length of the mandibular body was 69.7 ± 6.6 mm before the treatment and 72.5 ± 6.9 mm after the treatment (p = 0.019); in Group 3, the length of the mandibular body was 69.8 ± 5.6 mm before the treatment and 74.0 ± 4.3 mm after the treatment (p = 0.005). The temporomandibular joints did not show pathological changes; most patients (70%) did not demonstrate anterior position of the condyles after the treatment.Conclusion. Orthodontic treatment of patients aged 7-18 years with distal occlusion using the Twin Block appliance is an effective treatment method. The orthodontic treatment with functional appliances is most reasonable during the period of peak growth when significant skeletal changes are possible to obtain.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>дистальная окклюзия</kwd><kwd>аппарат Твин Блок</kwd><kwd>программная среда ViSurgery</kwd><kwd>магнитно-резонансная томография</kwd><kwd>миотонометрия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>distal occlusion</kwd><kwd>Twin Block appliance</kwd><kwd>ViSurgery software</kwd><kwd>magnetic resonance imaging</kwd><kwd>myotonometry</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">Sundareswaran S, Ramakrishnan R. The Facial Aesthetic index: An additional tool for assessing treatment need. J Orthod Sci. 2016;5(2):57-63. doi:10.4103/2278-0203.179409</mixed-citation><mixed-citation xml:lang="en">Sundareswaran S, Ramakrishnan R. 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