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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">pmj</journal-id><journal-title-group><journal-title xml:lang="ru">Тихоокеанский медицинский журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Pacific Medical Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1609-1175</issn><publisher><publisher-name>TGMU</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.34215/1609-1175-2024-3-24-28</article-id><article-id custom-type="elpub" pub-id-type="custom">pmj-2770</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 ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL RESEARCHES</subject></subj-group></article-categories><title-group><article-title>Влияние натрия бензоата на ультраструктуру биоминерала дентина нижнего резца крыс и возможности его коррекции</article-title><trans-title-group xml:lang="en"><trans-title>Effect of sodium benzoate injections on the dentin biomineral ultrastructure of the lower incisor in white rats and its correction possibilities</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0006-0490-6063</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бибик</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bibik</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бибик Валерий Васильевич – канд. мед. наук, доцент, заведующий кафедрой общей врачебной практики и медицинской реабилитации </p><p>91045, РФ, ЛНР, г. Луганск, кв. 50 лет Обороны Луганска, 1г</p><p>тел. +7 (959) 107-14-71 </p></bio><bio xml:lang="en"><p>Valery V. Bibik, Cand. Sci. (Med.), Associate Professor, Head of the Department of General Medical Practice and Medical Rehabilitation </p><p>1g, 50-letiya Oborony of Lugansk Street, Lugansk, 91045, Russia</p><p>tel. +7 (959) 107-14-71 </p></bio><email xlink:type="simple">jnica@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Луганский государственный медицинский университет имени Святителя Луки</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Saint Lukа Lugansk 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>01</day><month>11</month><year>2024</year></pub-date><volume>0</volume><issue>3</issue><fpage>24</fpage><lpage>28</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Бибик В.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Бибик В.В.</copyright-holder><copyright-holder xml:lang="en">Bibik 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.tmj-vgmu.ru/jour/article/view/2770">https://www.tmj-vgmu.ru/jour/article/view/2770</self-uri><abstract><p>Цель: установить изменения ультраструктуры биоминерала дентина нижнего резца белых крыс после 60-суточного введения натрия бензоата (sodium benzoate, SB) и обосновать возможности их коррекции мексидолом (МД) либо тиотриазолином (ТТЗ). Материалы и методы. Использовано 140 крыс-самцов массой 200–210 г, которые внутрижелудочно получали SB в дозе 100 мг/кг/сутки, а также внутрибрюшинно МД (50 мг/кг/сутки) и ТТЗ (117,4 мг/кг/сутки). Ультраструктуру биоминерала дентина нижнего резца изучали методом рентгеноструктурного анализа. Результаты. После 60-суточного введения SB расчет размеров блоков когерентного рассеивания кристаллитов (РБКР) были больше контроля с 3-х по 24-е сутки реадаптации на 6,06, 7,88, 6,58 и 4,08%, а коэффициент микротекстурирования (КМТ) с 3-х по 45-е сутки – меньше на 8,23, 6,53, 8,12, 6,77 и 4,90%. При введении МД КМТ дентина с 10-х по 45-е сутки превышал значения группы без коррекции на 2,75, 3,31, 3,64 и 3,31%. При введении ТТЗ РБКР с 3-х по 15-е сутки уменьшались на 3,87, 5,23 и 4,80%, а КМ с 3-х по 45-е сутки возрастал на 2,76, 3,43, 3,83, 4,09 и 3,33%.Заключение. Энтеральное введение SB сопровождается дестабилизацией биоминерала дентина нижних резцов крыс. Введение МД и ТТЗ сглаживает изменения ультраструктуры биоминерала дентина. Применение ТТЗ является более эффективным.</p></abstract><trans-abstract xml:lang="en"><p>Objective. To establish changes in the dentin biomineral ultrastructure of the lower incisor of white rats after a 60-day period of sodium benzoate (SB) injections and to substantiate the possibility of their correction with mexidol (MD) or thiotriazoline (TTZ). Materials and methods. 175 male rats weighing 200–210 g were used. SB was injected at a dose of 100 mg/kg/day, MD at a dose of 50 mg/kg/day, and TTZ at a dose of 117.4 mg/kg/day. The dentin biomineral ultrastructure of the lower incisor was studied by XRD analysis. Results. After a 60-day administration of SB, the crystallite sizes were larger than those in the control group from days 3 to 24 of readaptation by 6.06%, 7.88%, 6.58%, and 4.08%; the microtexturing coefficient (MC) from days 3 to 45 was lower by 8.23%, 6.53%, 8.12%, 6.77% and 4.90%. With the introduction of MD, dentin MC from days 10 to 45 exceeded the values of the control group by 2.75%, 3.31%, 3.64%, and 3.31%. With the introduction of TTZ, crystallite sizes from 3 to 15 days decreased by 3.87%, 5.23%, and 4.80%, and MC from 3 to 45 days increased by 2.76%, 3.43%, 3.83%, 4.09%, and 3.33%.Conclusion. SB injections to experimental animals is accompanied by destabilization of the dentin biomineral of the lower incisors. The introduction of MD or TTZ mitigates changes in the dentin biomineral ultrastructure. The use of TTZ was shown to be more effective.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>крысы</kwd><kwd>бензоат натрия</kwd><kwd>дентин нижнего резца</kwd><kwd>биоминерал</kwd><kwd>ультраструктура</kwd><kwd>мексидол</kwd><kwd>тиотриазолин</kwd></kwd-group><kwd-group xml:lang="en"><kwd>rats</kwd><kwd>sodium benzoate</kwd><kwd>lower incisor dentin</kwd><kwd>biomineral</kwd><kwd>ultrastructure</kwd><kwd>mexidol</kwd><kwd>thiotriazoline</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">Walczak-Nowicka ŁJ, Herbet M. Sodium Benzoate—Harmfulness and Potential Use in Therapies for Disorders Related to the Nervous System: A Review. Nutrients. 2022; 14(7): 1497. doi: 10.3390/nu14071497</mixed-citation><mixed-citation xml:lang="en">Walczak-Nowicka ŁJ, Herbet M. Sodium Benzoate—Harmfulness and Potential Use in Therapies for Disorders Related to the Nervous System: A Review. 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