Russian Journal of DentistryRussian Journal of DentistryРоссийский стоматологический журнал1728-28022413-2934Eco-Vector5505010.17816/1728-2802-2020-24-4-206-210Experimental and Theoretical InvestigationsЭкспериментально-теоретические исследованияResearch ArticleEfficiency of cleaning dental structural polymer materials and their resistance to biofoulingЭффективность очистки стоматологических конструкционных полимерных материалов и их устойчивость к биообрастаниюKhafizovaF. A.ХафизоваФ. А.
Russian Federation
khafizovirek@mail.ruMirgazizovR. M.МиргазизовР. М.
Russian Federation
khafizovirek@mail.ruKhafizovI. R.ХафизовИ. Р.
Russian Federation
khafizovirek@mail.ruUlyanovY. A.УльяновЮ. А.
Russian Federation
khafizovirek@mail.ruKazan (Volga) Federal UniversityФГАОУ ВО Казанский (Приволжский) федеральный университет150820202442062101412202014122020Copyright ©; 2020, Eco-VectorCopyright ©; 2020, ООО "Эко-Вектор"2020Eco-VectorООО "Эко-Вектор"https://rjdentistry.com/1728-2802/article/view/55050

Aim. The formation of biofilms, involving microorganisms from the oral cavity, on the surface of various structural dental materials was investigated. Flexistron Plus, Dentalos Plus, and PEEK are used in dental orthopedic practice for prosthetics.

Materials and methods. The difference in quantity depends on the structure and type of plastics, as well as on their mechanical cleaning. All the plastic samples were obtained using atomic force microscopy, which made it possible to detect differences in the microstructure and microrelief of all the types of plastics and to demonstrate bacterial growth on plastics before and after the mechanical cleaning of their surfaces with a toothbrush.

Conclusion. The revealed facts of increased microbial contamination after the mechanical treatment of the surface of polymer materials suggest the need for additional lining with harder materials or the creation of new composites based on these polymers with high hygienic adequacy.

Введение. Исследовано образование биопленок микроорганизмами ротовой полости на поверхности различных конструкционных стоматологических материалов. Проводилось заселение бактериями ротовой полости стерильных образцов базисных пластмасс Flexistrong Plus, Dentalos Plus, PEEK, используемых в стоматологической ортопедической практике при протезировании.

Материал и методы. Выявлена разница в количестве колониеобразующих единиц бактерий по методике Drop plate в зависимости от структуры и типа пластмасс, а также от их механической очистки.

Результаты. Также образцы пластмасс были изучены с помощью атомно-силовой микроскопии, которая позволила обнаружить различия в микроструктуре и микрорельефе всех видов пластмасс и продемонстрировать рост бактерий на пластмассах до и после механической очистки их поверхностей зубной щеткой.

Заключение. Выявленные факты усиления микробного загрязнения после механической обработки поверхности полимерных материалов требуют дополнительной их облицовки более твердыми материалами или создания на основе этих полимеров новых композитов с высокой гигиенической адекватностью.

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