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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">10.33925/1683-3759-2020-25-3-231-236</article-id><article-id custom-type="elpub" pub-id-type="custom">periodontology-350</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>Сравнительная оценка in vitro точности стоматологических сканеров открытого типа при получении модели зубного ряда</article-title><trans-title-group xml:lang="en"><trans-title>Comparative in vitro evaluation of the accuracy of dental open system scanners</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5804-9497</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Розов</surname><given-names>Р. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Rozov</surname><given-names>R. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Розов  Роман  Александрович - кандидат медицинских наук, доцент кафедры стоматологии ортопедической и материаловедения с курсом ортодонтии взрослых Первый Санкт-Петербургский ГМУ им. академика И.П. Павлова.</p></bio><bio xml:lang="en"><p>Rozov Roman A. - PhD, Associate Professor of Department Prosthodontic Dentistry and Dental Materials  Pavlov First SPSMU, Head of the St. Petersburg State Budgetary Health Care Institution CDC No. 33.</p></bio><email xlink:type="simple">dr.rozov@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/0000-0003-0532-5632</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Трезубов</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Trezubov</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Трезубов Владимир  Николаевич - доктор медицинских наук, профессор, заведующий кафедрой стоматологии ортопедической и материаловедения с курсом ортодонтии взрослых.</p></bio><bio xml:lang="en"><p>Trezubov  Vladimir N. - PhD, MD, DSс, Professor, Head of the of Department Prosthodontic  Dentistry and Dental Materials.</p><p>SaintPetersburg</p></bio><email xlink:type="simple">trezubovvn@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/0000-0002-0651-5262</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шалагинова</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shalaginova</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шалагинова  Анна  Витальевна - студентка 5 курса кафедры ортопедической стоматологии и материаловедения с курсом ортодонтии.</p></bio><bio xml:lang="en"><p>Shalaginova  Anna V. - graduate student of Department Prosthodontic  Dentistry and Dental Materials.</p></bio><email xlink:type="simple">achernoglasova@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5739-5179</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кусевицкий</surname><given-names>Л. Я.</given-names></name><name name-style="western" xml:lang="en"><surname>Kusevickiy</surname><given-names>L. Ya.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кусевицкий Леонид Яковлевич - доктор медицинских наук, профессор  кафедры стоматологии ортопедической и  материаловедения с  курсом  ортодонтии взрослых.</p></bio><bio xml:lang="en"><p>Kusevickiy Leonid Y. - PhD, MD, DSс, Professor of the of Department  Prosthodontic   Dentistry  and Dental Materials.</p></bio><email xlink:type="simple">stomdoc@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Городская стоматологическая поликлиника №33; Первый Санкт-Петербургский государственный медицинский университет имени академика И.П. Павлова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>City Dental Clinic No. 33; Academician I.P. Pavlov First St. Petersburg State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Первый Санкт-Петербургский государственный медицинский университет имени академика И.П. Павлова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Academician I.P. Pavlov First St. Petersburg State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>04</day><month>09</month><year>2020</year></pub-date><volume>25</volume><issue>3</issue><fpage>231</fpage><lpage>236</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Розов Р.А., Трезубов В.Н., Шалагинова А.В., Кусевицкий Л.Я., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Розов Р.А., Трезубов В.Н., Шалагинова А.В., Кусевицкий Л.Я.</copyright-holder><copyright-holder xml:lang="en">Rozov R.A., Trezubov V.N., Shalaginova A.V., Kusevickiy L.Y.</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/350">https://www.parodont.ru/jour/article/view/350</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. Современный лабораторный сканер, по данным производителей, обеспечивает точность 5-15 мкм, тогда как точность внутриротового прибора составляет около 25-50 мкм. Зарубежные исследования показывают значительные отклонения в реальной точности с использованием различных внутриротовых сканеров при сканировании всего зубного ряда, которые порой превышают 165 мкм. Их использование для создания ортопедических конструкций может сопровождаться неприемлемыми в клинике ортопедической стоматологии показателями величины зазора между ортопедической конструкцией и ее протезным ложем.</p></sec><sec><title>Цель</title><p>Цель. Сравнительная оценка реальной точности лабораторных и внутриротовых сканеров открытого типа при получении модели зубного ряда.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Создана контрольная модель при помощи программы ExoCAD и 3D-принтера FormLab. Модель подверглась сканированию с использованием четырех внутриротовых устройств (Identicai500, MyCrownScan, PlanScan и TriosWireless) и трех стационарных аппаратов (IdenticaHybrid, OpenTechnologiesEasy и OpenTechnologiesNeway). При помощи программы 3D-моделирования GeomagicControlX были выполнены наложения и трехмерный анализ эталонной модели CAD и тестовых моделей CAD. Статистическую обработку полученных результатов провели в программе IBMSPSS 25.</p></sec><sec><title>Результаты</title><p>Результаты. Среди внутриротовых сканеров наилучшую точность продемонстрировал TRIOS3 Wireless (82,6 мкм), а самой низкой точностью из исследуемых сканеров отличался PlanScan (224,4 мкм). Из исследуемых лабораторных сканеров самым точным оказался OpenTechnologiesEasy (53,9 мкм), а самой низкая точность была у OpenTechnologiesNeWay (72,48 мкм).</p></sec><sec><title>Заключение</title><p>Заключение. Низкая точность внутриротового сканирования всего зубного ряда не позволяет получать по нему рабочую модель для создания протяженных конструкций, особенно имплантационных.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Relevance</title><p>Relevance. Contemporary Desktop scanner provides accuracy up to 5-15 micron according to the manufacturers, whereas the accuracy of intraoral scanners is near 25-30 micron. Foreign researches point out significant deviations, in some cases of more then 165 micro, of actual accuracy of different types of intraoral scanners in case dental arches scanning. Utilisation of such devices for prosthesis production can lead to unacceptable for the prosthodontic standards size of the clearance between prosthesis and its prosthetic bed.</p></sec><sec><title>Purpose</title><p>Purpose. Comparative assessment of actual accuracy of open system desktop and intraoral scanners for getting dental models.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The control model was produced using ExoCAD software and FormLab 3D printer. The model was scanned by 4 intraoral scanning devises (Identica i500, MyCrown Scan, PlanScan and Trios Wireless) and 3 stationary devices (Identica Hybrid, Open Technologies Easy and Open Technologies Neway). The matching of the scanned files and 3D analysis of the reference CAD model with test CAD models was performed in Geometric Control X software. Statistical analysis of the acquired data was performed by IBM SPSS 25.</p></sec><sec><title>Results</title><p>Results. TRIOS3 Wireless showed the best accuracy among intraoral scanners (82.6 mkm) the worst result in accuracy of the acquired data was for PlanScan (224,4 mkm). Open Technologies Easy was the most accurate among desktop scanners (53.9 mkm) and the least accurate is Open Technologies NeWay (72,48 mkm). </p></sec><sec><title>Conclusion</title><p>Conclusion. Low accuracy of the intraoral scanning of the whole dental arch does not permit to use it for getting working model in case of production of the long span bridges especially in case of implant supported prosthetics.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>внутриротовой сканер</kwd><kwd>лабораторный стоматологический сканер</kwd><kwd>точность стоматологического сканера</kwd><kwd>точность оттиска</kwd><kwd>цифровая модель зубного ряда</kwd></kwd-group><kwd-group xml:lang="en"><kwd>intraoral scanner</kwd><kwd>digital impression</kwd><kwd>prosthetic dentistry</kwd><kwd>restorative dentistry</kwd><kwd>CAD/CAM</kwd><kwd>intraoral scanning</kwd><kwd>accuracy</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">Костюкова В. В., Ряховский А. Н., Уханов М. 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