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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of Dentistry</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Dentistry</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский стоматологический журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1728-2802</issn><issn publication-format="electronic">2413-2934</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">626642</article-id><article-id pub-id-type="doi">10.17816/dent626642</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Experimental and Theoretical Investigations</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Экспериментально-теоретические исследования</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Use of mixed saliva in the diagnosis of recurrent herpetic stomatitis in patients with dental problems: An interventional single-center, prospective, randomized, uncontrolled study</article-title><trans-title-group xml:lang="ru"><trans-title>Использование смешанной слюны в диагностике рецидивирующего герпетического стоматита у стоматологических пациентов: интервенционное одноцентровое, проспективное, выборочное, неконтролируемое исследование</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1989-5460</contrib-id><contrib-id contrib-id-type="spin">3133-9430</contrib-id><name-alternatives><name xml:lang="en"><surname>Osipova</surname><given-names>Vera A.</given-names></name><name xml:lang="ru"><surname>Осипова</surname><given-names>Вера Анатольевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine), Associate Professor</p></bio><bio xml:lang="ru"><p>канд. мед. наук, доцент</p></bio><email>veraosipova@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0009-6231-4914</contrib-id><contrib-id contrib-id-type="spin">6076-2793</contrib-id><name-alternatives><name xml:lang="en"><surname>Grishin</surname><given-names>Vladimir V.</given-names></name><name xml:lang="ru"><surname>Гришин</surname><given-names>Владимир Васильевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Dr. Sci. (Chemistry), Associate Professor</p></bio><bio xml:lang="ru"><p>канд. хим. наук, доцент</p></bio><email>wgrishin54@mail.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="spin">5847-4495</contrib-id><name-alternatives><name xml:lang="en"><surname>Vladimirova</surname><given-names>Lyudmila  G.</given-names></name><name xml:lang="ru"><surname>Владимирова</surname><given-names>Людмила Георгиевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Dr. Sci. (Chemistry)</p></bio><bio xml:lang="ru"><p>канд. хим. наук</p></bio><email>vlg9@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2477-3676</contrib-id><contrib-id contrib-id-type="spin">7935-6019</contrib-id><name-alternatives><name xml:lang="en"><surname>Ivanovsky</surname><given-names>Vladislav  А.</given-names></name><name xml:lang="ru"><surname>Ивановский</surname><given-names>Владислав Андреевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ivanovskiy.1995@bk.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Pavlov First St. Petersburg State Medical University</institution></aff><aff><institution xml:lang="ru">Первый Санкт-Петербургский государственный медицинский университет им. акад. И.П. Павлова</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">St. Petersburg State Chemical and Pharmaceutical University</institution></aff><aff><institution xml:lang="ru">Санкт-Петербургский государственный химико-фармацевтический университет</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2024-06-28" publication-format="electronic"><day>28</day><month>06</month><year>2024</year></pub-date><pub-date date-type="pub" iso-8601-date="2024-08-09" publication-format="electronic"><day>09</day><month>08</month><year>2024</year></pub-date><volume>28</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>233</fpage><lpage>242</lpage><history><date date-type="received" iso-8601-date="2024-02-08"><day>08</day><month>02</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-03-14"><day>14</day><month>03</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Эко-Вектор</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-Вектор</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2027-08-09"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc-nd/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://rjdentistry.com/1728-2802/article/view/626642">https://rjdentistry.com/1728-2802/article/view/626642</self-uri><abstract xml:lang="en"><p><bold>BACKGROUND:<italic> </italic></bold>Recurrent herpetic stomatitis, also known as oral herpes, is one of the most common viral diseases of the oral cavity. Currently, saliva is widely used in innovative diagnostic methods. However, there are only limited data supporting the diagnostic value of salivary biomarkers in herpes infections.</p> <p><bold>AIM:</bold><italic> </italic>To establish the informative value of using the wedge-shaped dehydration method and the express method for determining salivary amylase activity in patients with recurrent herpetic stomatitis.</p> <p><bold>MATERIALS AND METHODS:</bold><italic> </italic>Diagnosis of recurrent herpes stomatitis was carried out based on the results of a clinical examination and confirmed using molecular genetic (PCR with real-time detection) and serological studies (ELISA — VectoHSV-IgG test system). For non-invasive diagnosis of recurrent herpetic stomatitis, we used crystallography methods — wedge-shaped dehydration of oral fluid and an express method for determining salivary amylase activity. The study included 26 patients with HHS in the acute stage (frequency of exacerbations of 4 or more per year) and 14 patients in the control group with no history of episodes of herpetic stomatitis.</p> <p><bold>RESULTS:<italic> </italic></bold>The results of crystallography of mixed saliva and determination of salivary amylase activity in patients diagnosed with recurrent herpes before and after treatment are presented. Specific changes in facies in the protein zone were established during wedge-shaped dehydration during the exacerbation period and an increase in salivary amylase activity in patients with recurrent herpetic stomatitis in the acute stage.</p> <p><bold>CONCLUSION:<italic> </italic></bold>To confirm the diagnosis of recurrent herpetic stomatitis at a dental appointment, a non-invasive method of wedge-shaped dehydration using samples of mixed saliva is recommended, and to determine the effectiveness of treatment, along with clinical indicators, the most informative is a rapid test based on a study of the level of amylase in mixed saliva.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Обоснование.</bold> Рецидивирующий герпетический стоматит (РГС), также известный как оральный герпес, является одним из наиболее распространённых вирусных заболеваний полости рта. В настоящее время слюна широко используется в инновационных методах диагностики. Однако имеются лишь ограниченные данные, подтверждающие диагностическую ценность биомаркёров слюны при герпесных инфекциях.</p> <p><bold>Цель исследования </bold>— установить информативность использования метода клиновидной дегидратации и экспресс-метода определения активности амилазы слюны у пациентов с РГС.</p> <p><bold>Материалы и методы.</bold> Диагностику РГС проводили по результатам клинического осмотра и подтверждали с использованием молекулярно-генетических и серологических исследований. Для неинвазивной диагностики РГС нами применялись методы кристаллографии — клиновидная дегидратация смешанной слюны и экспресс-метод определения активности α-амилазы слюны. В исследование были включены 26 пациентов с РГС в стадии обострения (частота обострений 4 и более в год) и 14 пациентов контрольной группы, не имеющие эпизодов герпетического стоматита в анамнезе.</p> <p><bold>Результаты. </bold>Представлены результаты кристаллографии смешанной слюны и определения активности α-амилазы у пациентов с диагностированным рецидивирующим герпесом до и после лечения. Установлены специфические изменения фаций в белковой зоне при клиновидной дегидратации в период обострения и повышение активности α-амилазы слюны у пациентов с РГС в стадии обострения.</p> <p><bold>Заключение.</bold> Для подтверждения диагноза РГС на стоматологическом приёме рекомендован неинвазивный метод клиновидной дегидратации по образцам смешанной слюны, а для определения эффективности лечения, наряду с клиническими показателями, наиболее информативен экспресс-тест, основанный на исследовании уровня α-амилазы в смешанной слюне.</p></trans-abstract><kwd-group xml:lang="en"><kwd>recurrent herpetic stomatitis</kwd><kwd>wedge-shaped dehydration</kwd><kwd>amylase</kwd><kwd>mixed saliva</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>рецидивирующий герпетический стоматит</kwd><kwd>клиновидная дегидратация</kwd><kwd>амилаза</kwd><kwd>смешанная слюна</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">James C, Harfouche M, Welton NJ, et al. 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