Applied Information Aspects of Medicine (Prikladnye informacionnye aspekty mediciny)Applied Information Aspects of Medicine (Prikladnye informacionnye aspekty mediciny)2070-9277Voronezh State Medical University named after N.N. Burdenko - The State Budgetary Institution of Higher Professional Education «Voronezh State Medical University named after N.N. Burdenko» of the Ministry of Public Health of the Russian1016910.18499/2070-9277-2024-27-4-44-48CLINICAL ANALYSIS OF COMPLICATIONS AFTER TREATMENT OF CHRONIC PERIODONTITISRozhkovaElena Nikolaevna<p>PhD, Assistant of the Department of Therapeutic Dentistry</p>ojkova_en@mail.ruPostnikovMichael Aleksandrovich<p>MD, Professor, Head of the Department of Therapeutic Dentistry</p>postnikovortho@yandex.ruSushchenkoAndrey Valerievich<p>Professor, Head of the Department of Therapeutic Dentistry</p>avs270270@mail.ruIppolitovYuri Alexeyevich<p>MD, Professor, Head of the Department of Pediatric Dentistry with Orthodontics</p>dsvgma@mail.ruKudryashovDmitry Nikolaevich<p>Assistant of the Department of Therapeutic Dentistry</p>d.n.kudryashov@samsmu.ruKorchaginaMilana Sergeevna<p>Assistant of the Department of Therapeutic Dentistry</p>m.s.korchagina@samsmu.ruFancy onesMaria Sergeevna<p>stomatological clinic doctor</p>marinavrazhnykh@mail.ruNikonovDmitry Viktorovich<p>Candidate of Medical Sciences, Chief Physician</p>din1704@yandex.ruFomichevIgor Valentinovich<p>PhD, consultant</p>glavniy_stomatolog@mail.ruBurdenko VSMU of the Ministry of Health of the Russian FederationFGBOU HE SamSMU of the Ministry of Health of RussiaФГБОУ ВО ВГМУ им. Н.Н. Бурденко Минздрава РоссииGAU "Yeletskaya Joint Venture"25122024274444826122024Copyright © 2024, Applied Information Aspects of Medicine (Prikladnye informacionnye aspekty mediciny)2024<p>The issues related to the treatment of apical periodontitis of single-root and multi-root teeth, burdened by the absence of apical constriction, periradicular destruction of bone tissue and internal root resorption, have been studied. The aim of the work was to find the causes leading to complications after endodontic dental treatment with apical periodontitis.</p> <p>Materials and methods. Clinical studies of 63 patients with aggravated chronic periodontitis after root canal obturation were conducted using external examination, intraoral examination, assessment of the periodontal condition (percussion, degree of tooth mobility) and cone-beam computed tomography. When evaluating the images of the apical part of the tooth roots, the absence of apical constriction of the tooth canals or destruction of apical constriction was revealed.</p> <p>The authors concluded that gutta-percha serves as a good framework for bacterial colonization. Endotoxins and bacteria that have penetrated into the periapical site entail inflammatory processes that contribute to extensive demineralization of the spongy bone and the cortical layer, which leads to the further development of periradicular destruction of bone tissue. It is necessary to develop new methods of obturation of the root canals of teeth, burdened by the absence of apical constriction, periradicular destruction of bone tissue and resorption.</p>complicated apical chronic periodontitis, root canal obturation, gutta-percha.осложнённый апикальный хронический периодонтит, обтурациякорневых каналов, гуттаперча.1.1. Глинкин В.В., Чайковская И.В. Микроструктура и краевое прилегание эндогерметиков, используемых при лечении зубов с разрушенной апикальной констрикцией. Клиническая стоматология. 2022;25(3):13–18. https://doi.org/10.37988/1811-153X_2022_3_132.2. Роудз Дж. С. Повторное эндодонтическое лечение: Консервативные и хирургические методы / Джон С. Роуз ; Пер. с англ. - М.: МЕДпресс-информ, 2009. - 216с. ISBN 5-98322-460-33.3. Розенбаум А.Ю., Тлустенко В.П., Волова Л.Т., Зотов В.М., Романова Т.В. Способ лечения хронического гранулематозного периодонтита. Патент России 2562101 C1. Заявл. 13.10.2014; Опубл. 10.09.2015.4.4. Корчагина М.С. Постников М.А., Ткач Т. М., Магсумова О.А., Салдаева А.С., Корчагин П. В. Способ профилактики осложнений при лечении корневых каналов зубов. Патент России 2775197 C1. Заявл. 16.07.2021; Опубл. 28.06.2022.5.5. Чалая Т.А., Ульянов А.Н. Осложнения при выведении гуттаперчи за пределы верхушки корня. Инновации в науке. 2017;6(67): 32–33.6.6. Kuremoto K., Noiri Y., Ishimoto T., Yoneda N., Yamamoto R., Maezono H., Nakano T., Hayashi M., Ebisu S. Promotion of endodontic lesions in rats by a novel extraradicular biofilm model using obturation materials. Appl. Environ Microbiol. 2014 Jul;80(13):3804-10. https://doi.org/ 10.1128/AEM.00421-14