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НАПРЯЖЕННО-ДЕФОРМИРОВАННОЕ СОСТОЯНИЕ В ПРОТЕЗНОЙ КОНСТРУКЦИИ НА ДЕНТАЛЬНОМ ИМПЛАНТАТЕ ПРИ ЦЕМЕНТНОЙ ФИКСАЦИИ ИСКУССТВЕННОЙ КОРОНКИ

НАПРЯЖЕННО-ДЕФОРМИРОВАННОЕ СОСТОЯНИЕ В ПРОТЕЗНОЙ КОНСТРУКЦИИ НА ДЕНТАЛЬНОМ ИМПЛАНТАТЕ ПРИ ЦЕМЕНТНОЙ ФИКСАЦИИ ИСКУССТВЕННОЙ КОРОНКИ

Abstract

Случаи расцементировки искусственных коронок на дентальных имплантатах в клинической практике возможны. Для изучения причин нарушения прочности цементной фиксации коронок целесообразно использование математического конечно-элементного анализа напряженно-деформированного состояния всех элементов протезной конструкции при функциональных нагрузках. Проведено трехмерное математическое моделирование напряженно-деформированного состояния имплантата и протезной конструкции при цементной фиксации коронки к абатменту. Изучены параметры напряженно-деформированного состояния в искусственной коронке, имплантате и фиксирующем цементе при вертикальной и наклонной функциональной нагрузках 150 Н. Выявлены оптимальные параметры напряженно-деформированного состояния при вертикальной нагрузке и деформационные изменения цемента при смещении нагрузки на 45 °. Рекомендовано оптимальное положение имплантата относительно покрывающей искусственной коронки для профилактики ее трасцементировки при функциональной нагрузке.Clinical experience shows cases of loss of cementation of artificial crowns of dental implants. To study the reasons for breaking strength of cement fixing crowns, it is appropriate to use mathematical finite element analysis of the stress-strain state of all elements of prosthetic design with functional loads. The three-dimensional mathematical modelling of the stress-strain state of the implant and prosthetic construction with cement fixing crowns to the abutment was conducted. The parameters of the stress-strain state in artificial crown, the implant, and fixing cement at vertical and inclined functional load 150 N were studied. The optimal parameters of the stress-strain state at vertical load and deformation changes in cement at offset of the load on 45 degrees. There recommended optimum position of the implant relatively covering artificial crown for the prevention of its loss of cementation under functional load.

Keywords

ДЕНТАЛЬНЫЙ ИМПЛАНТАТ,ФИКСИРУЮЩИЙ ЦЕМЕНТ,ИСКУССТВЕННАЯ КОРОНКА,МАТЕМАТИЧЕСКОЕ МОДЕЛИРОВАНИЕ,НАПРЯЖЕННО-ДЕФОРМИРОВАННОЕ СОСТОЯНИЕ,DENTAL IMPLANT FIXING CEMENT,ARTIFICIAL CROWN,MATHEMATICAL MODELLING,STRESS-STRAIN STATE

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average