vsgiuВестник Сибирского государственного индустриального университетаBulletin of the Siberian State Industrial University2304 - 44972307-1710Федеральное государственное бюджетное образовательное учреждение высшего образования "Сибирский государственный индустриальный университет"vsgiu-213Research ArticleСтатьиВЛИЯНИЕ БИОИНЕРТНЫХ ЭЛЕКТРОВЗРЫВНЫХ ПОКРЫТИЙ НА РАСПРЕДЕЛЕНИЕ НАПРЯЖЕНИЙ НА ГРАНИЦЕ РАЗДЕЛА ИМПЛАНТАТ – КОСТЬTHE EFFECT OF BIOINERT ELECTROEXPLOSIVE COATINGS ON STRESS DISTRIBUTION NEAR THE DENTAL IMPLANT – BONE INTERFACEhttps://orcid.org/0000-0002-8168-8809ФиляковАртем ДмитриевичFilyakovArtem D.

научный сотрудник

Research scientist

filyakov.1999@mail.ruhttps://orcid.org/0000-0002-6880-2849РомановДенис АнатольевичRomanovDenis A.

д.т.н., доцент, старший научный сотрудник

Dr. Sci. (Eng.), Associate Professor, Senior Researcher

romanov_da@physics.sibsiu.ruhttps://orcid.org/0000-0002-3795-0726БудовскихЕвгений АлександровичBudovskikhEvgeny A.

д.т.н., доцент, старший научный сотрудник

Dr. Sci. (Eng.), Associate Professor, Senior Researcher

budovskikh@mail.ruСибирский государственный индустриальный университет Russian FederationСибирский государственный индустриальный университет Russian FederationSiberian State Industrial UniversityRussian FederationСибирский государственный индустриальный университет Russian FederationSiberian State Industrial UniversityRussian Federation202218062025014355Copyright © Филяков А.Д., Романов Д.А., Будовских Е.А., 20252025Филяков А.Д., Романов Д.А., Будовских Е.А.Filyakov A., Romanov D., Budovskikh E.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://vestnik.sibsiu.ru/jour/article/view/213

Помимо агрессивной внутренней среды организма человека на долговечность имплантата влияет адаптивная перестройка костной ткани, при которой концентрация напряжения локализуется внутри объема имплантата возле границы с костной тканью. Это приводит к расшатыванию и выходу имплантата из строя несмотря на то, что, фактически, поверхностный слой имплантата остается неповрежденным. Существуют свидетельства, что покрытия с низким модулем Юнга способствуют изменению распределения нагрузок между имплантатом и прилегающей костной тканью, снижая тем самым эффект адаптивной перестройки. В настоящее время интенсивно развивается метод электровзрывного напыления покрытий различных систем, в том числе и биоинертных покрытий систем Ti – Zr и Ti – Nb, обладающих низким модулем Юнга. Для оценки влияния биоинертных покрытий системы Ti – Zr и Ti – Nb на распределение напряжений в программе COMSOL Multiphysics® версии 5.5 была разработана двумерная модель. В настоящей работе впервые проведено компьютерное моделирование напряженно-деформированного состояния костной ткани, расположенной возле имплантата с нанесенным на его поверхность электровзрывным покрытием системы Ti – Zr или Ti – Nb. В результате моделирования установлено, что напряжения распространяются более равномерно по сравнению со случаем без покрытия. Среди исследуемых покрытий наибольший эффект удалось достичь при моделировании системы с промежуточным слоем, выполненным из биоинертного покрытия системы Ti – Zr.. Несмотря на простоту изученных моделей, можно с большой уверенностью судить о пригодности применения электровзрывных биоинертных покрытий в имплантатах.

In addition to the aggressive internal environment of the human body, the durability of the implant is affected by the adaptive restructuring of the bone tissue, in which the stress concentration is localized inside the implant volume near the border with the bone tissue. This leads to loosening and failure of the implant, despite the fact that, in fact, the surface layer of the implant remains intact. There is evidence that coatings with a low Young’s modulus contribute to a change in the distribution of loads between the implant and adjacent bone tissue, thereby reducing the effect of adaptive restructuring. At present, the method of electroexplosive spraying of coatings of various systems, including bioinert coatings of Ti – Zr and Ti – Nb systems with a low Young’s modulus, is being intensively developed. A 2D model was developed to evaluate the effect of bioinert Ti – Zr and Ti – Nb coatings on stress distribution in COMSOL Multiphysics® version 5.5. In the present work, for the first time, computer simulation of the stress-strain state of bone tissue located near an implant with an electroexplosive coating of the Ti – Zr or Ti – Nb system applied to its surface was carried out. As a result of the simulation, it was found that the stresses propagate more evenly compared to the case without a coating. Among the coatings under study, the greatest effect was achieved when modeling a system with an intermediate layer made of a bioinert coating of the Ti – Zr system. Despite the simplicity of the studied models, it is possible to judge with great confidence the suitability of using electroexplosive bioinert coatings in implants.

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The authors declare that there are no conflicts of interest present.