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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">urmj</journal-id><journal-title-group><journal-title xml:lang="ru">Уральский медицинский журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Ural Medical Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2949-4389</issn><publisher><publisher-name>Ural State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.52420/umj.23.3.46</article-id><article-id custom-type="edn" pub-id-type="custom">TRDJMN</article-id><article-id custom-type="elpub" pub-id-type="custom">urmj-1534</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>Оригинальные статьи | Original articles</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Original articles</subject></subj-group></article-categories><title-group><article-title>Изменение химических параметров ротовой жидкости при возраст‑ассоциированных стоматологических заболеваниях</article-title><trans-title-group xml:lang="en"><trans-title>Mixed Saliva Chemical Parameters Changes in Age‑Related Oral Diseases</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6092-3734</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Копенкин</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kopenkin</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Максим Александрович Копенкин — аспирант, младший научный сотрудник центральной научно-исследовательской лаборатории</p><p>Екатеринбург</p></bio><bio xml:lang="en"><p>Maksim A. Kopenkin — Postgraduate Student, Junior Researcher of the Central Research Laboratory</p><p>Ekaterinburg</p></bio><email xlink:type="simple">maximkopenkin@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/0000-0002-4921-7222</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Полушина</surname><given-names>П. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Polushina</surname><given-names>L. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лариса Георгиевна Полушина — кандидат медицинских наук, старший научный сотрудник центральной научно-исследовательской лаборатории</p><p>Екатеринбург</p></bio><bio xml:lang="en"><p>Larisa G. Polushina — Candidate of Sciences (Medicine), Senior Researcher of the Central Research Laboratory</p><p>Ekaterinburg</p></bio><email xlink:type="simple">polushina-larisa@bk.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/0000-0002-0296-8723</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Семенцова</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sementsova</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елена Анатольевна Семенцова — кандидат медицинских наук, доцент кафедры терапевтической стоматологии и пропедевтики стоматологических заболеваний</p><p>Екатеринбург</p></bio><bio xml:lang="en"><p>Elena A. Sementsova — Candidate of Sciences (Medicine), Associate Professor of the Department of Therapeutic Dentistry and Propaedeutics Dental Diseases</p><p>Ekaterinburg</p></bio><email xlink:type="simple">vanevs@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/0000-0002-8439-3272</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мандра</surname><given-names>Ю. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mandra</surname><given-names>Yu. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юлия Владимировна Мандра — доктор медицинских наук, профессор кафедры терапевтической стоматологии и пропедевтики стоматологических заболеваний</p><p>Екатеринбург</p></bio><bio xml:lang="en"><p>Yulia V. Mandra — Doctor of Sciences (Medicine), Professor of the Department of Therapeutic Dentistry and Propaedeutics Dental Diseases</p><p>Ekaterinburg</p></bio><email xlink:type="simple">jmandra@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/0000-0003-0966-9571</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Базарный</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bazarnyi</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Владимир Викторович Базарный — доктор медицинских наук, профессор, главный научный сотрудник центральной научно-исследовательской лаборатории</p><p>Екатеринбург</p></bio><bio xml:lang="en"><p>Vladimir V. Bazarnyi — Doctor of Sciences (Medicine), Professor, Chief Researcher of the Central Research Laboratory</p><p>Ekaterinburg</p></bio><email xlink:type="simple">vlad-bazarny@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Уральский государственный медицинский университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ural State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>11</day><month>07</month><year>2024</year></pub-date><volume>23</volume><issue>3</issue><fpage>46</fpage><lpage>58</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Копенкин М.А., Полушина П.Г., Семенцова Е.А., Мандра Ю.В., Базарный В.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Копенкин М.А., Полушина П.Г., Семенцова Е.А., Мандра Ю.В., Базарный В.В.</copyright-holder><copyright-holder xml:lang="en">Kopenkin M.A., Polushina L.G., Sementsova E.A., Mandra Y.V., Bazarnyi V.V.</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.umjusmu.ru/jour/article/view/1534">https://www.umjusmu.ru/jour/article/view/1534</self-uri><abstract><sec><title>Введение</title><p>Введение. В пожилом и старческом возрастах увеличивается распространенность возраст-ассоциированных заболеваний полости рта, к которым относят хронический пародонтит и красный плоский лишай слизистой рта.</p><p>Цель исследования — оценить изменения биохимических параметров ротовой жидкости при возраст-ассоциированных заболеваниях полости рта с учетом пересчета концентрации аналитов на содержание общего белка. Материалы и методы. В исследовании приняло участие 86 человек пожилого возраста от 60 до 74 лет. Сформированы группы: пациенты с повышенной стираемостью зубов (n = 16); хроническим пародонтитом средней тяжести (n = 22); изменениями слизистой по типу красного плоского лишая (n = 28); здоровые добровольцы (n = 20). Для оценки физико-химических параметров ротовой жидкости применяли диагностические тест-полоски Siemens Multistix 10 SG (США), отражательный фотометр Siemens Clinitek Status+ (США), химический анализатор Mindray BS-240Pro (КНР). В работе проводилось определение 16 биохимических параметров и 4 расчетных индекса. Поскольку ротовая жидкость является нестандартизованной биожидкостью, непосредственно определяемые параметры пересчитывали путем деления на концентрацию общего белка пробы.</p></sec><sec><title>Результаты</title><p>Результаты. Установлено, что пациенты с красным плоским лишаем отличались от контрольной группы бÓльшим значением относительной плотности и высокими уровнями общего белка и кальция. Пациенты с хроническим пародонтитом имели более высокое содержание C-реактивного белка по сравнению с контролем. После приведения результатов по концентрации общего белка различия между группами по всем исследованным параметрам отсутствовали.</p></sec><sec><title>Обсуждение</title><p>Обсуждение. Данные соответствуют литературным источникам, описывающим изменения ротовой жидкости при возраст-ассоциированных заболеваниях, однако способы корректировки практически не использовались в рассмотренных работах.</p></sec><sec><title>Заключение</title><p>Заключение. Химические параметры ротовой жидкости меняются при возраст-ассоциированных заболеваниях рта. Необходим поиск оптимального метода корректировки, поскольку разведение и вязкость ротовой жидкости могут существенно влиять на результаты исследования.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. The prevalence of oral cavity age-related diseases, such as chronic periodontitis (CP) and oral lichen planus (OLP) increases in the elderly and senile age people. The aim of the study was to evaluate changes in the biochemical parameters of mixed saliva in age-related oral diseases and evaluate impact of correction by total protein concentration.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The study included 86 elderly people from 60 to 74 years. They were divided into following groups: excessive attrition of teeth patients (n = 16); moderate CP patients (n = 22); OLP patients (n = 28); healthy peoples (n = 20). Reagent strips Siemens Multistix 10 SG (USA), analyzer Siemens Clinitek Status+ (USA), chemistry analyzer Mindray BS-240Pro (China) were used. In total, 16 biochemical markers and 4 calculated indices were determined. Saliva results were expressed without any correction, and corrected by total protein concentration.</p></sec><sec><title>Results</title><p>Results. It was found that OLP patients differed by a higher specific gravity and an increased level of total protein and calcium from the control group. CP patients had a higher level of c-reactive protein in compared to the healthy peoples. There were no differences between groups after correction.</p></sec><sec><title>Discussion</title><p>Discussion. The data corresponded to literature sources describing mixed saliva changes in age-related oral diseases. However, correction methods practically were not used in the considered works.</p></sec><sec><title>Conclusion</title><p>Conclusion. Mixed saliva chemical markers changed in age-related oral diseases. It is necessary to find the optimal correction method because dilution and viscosity can significantly affect mixed saliva research results.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>ротовая жидкость</kwd><kwd>старение</kwd><kwd>хронический пародонтит</kwd><kwd>красный плоский лишай</kwd><kwd>полость рта</kwd></kwd-group><kwd-group xml:lang="en"><kwd>saliva</kwd><kwd>aging</kwd><kwd>chronic periodontitis</kwd><kwd>oral lichen planus</kwd><kwd>oral cavity</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа проводилась в  рамках государственного задания «Генетические и  эпигенетические основы прогнозирования нарушений онтогенеза и  старения человека» (регистрационный номер 122120100026-3)</funding-statement><funding-statement xml:lang="en">The work was carries out at the expense of the state task for the research work “Genetic and Epigenetic Foundations for Predicting Human Ontogenesis and Aging Disorders” (registration number 122120100026–3)</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Beard JR, Officer A, de Carvalho IA, Sadana R, Pot AM, Michel JP, et al. 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