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  Citation Number 3
 Views 13
 Downloands 2
Dinamik Yükleme Yapılan Kısa İmplantlarda Kron/İmplant Oranının Stres Dağılımına Etkisinin İncelenmesi
2019
Journal:  
Selcuk Dental Journal
Author:  
Abstract:

Amaç: Bu çalışmanın amacı farklı kron/implant oranına sahip kısa implantlar üzerine uygulanan statik ve dinamik yüklerin implantı çevreleyen kemik doku ve implantta meydana getirdiği stresin sonlu elemanlar stres analiz yöntemiyle incelenmesidir.  Gereç ve Yöntemler: Çalışmada, 4.1 mm çapında ve üç farklı uzunlukta (6 mm, 8 mm ve 10 mm) toplam 3 adet dental implant seçilmiştir. Bu üç implantın üzerine kron/implant oranı 1/1, 1.5/1 ve 2/1 olacak şekilde üçer adet alt birinci molar metal destekli seramik kron bilgisayar ortamında tasarlanmış ve implant destekli kronlar yine bilgisayar ortamında mandibula modeline yerleştirilerek toplam 9 adet çalışma modeli elde edilmiştir. Elde edilen bu modellere, vertikal ve oblik fonksiyonel kuvvetler uygulanarak, kortikal ve spongioz kemikte oluşan maksimum ve minimum asal stres değerlerine, implantta oluşan Von Mises stres değerlerine, implantlarda meydana gelen yorulma değerlerine kron/implant oranının etkisi üç boyutlu sonlu elemanlar stres analiz yöntemiyle incelenmiştir. Bulgular: Aynı miktarda kuvvet uygulanmasına rağmen, oblik yükleme yapılan modellerde dik yükleme yapılan modellere oranla implant sistemini oluşturan parçalarda ve kemik dokuda stres seviyelerinde belirgin bir artış olmuştur. Tüm modellerde, kron/implant oranındaki artış implant sistemini oluşturan parçalarda ve kemik dokuda stres seviyelerinde belirgin bir artışa neden olmuştur. Sonuçlar: Bu çalışmanın limitleri dahilinde elde edilen sayısal değerler, kron/implant oranının yük transfer mekanizmalarını ve implantların klinik başarı sürelerini etkilediğini göstermiştir. Mandibular molar bölgede tek diş eksikliklerinde uygulanacak implant tedavisinde 1/1 kron/implant oranının diğer oranlara göre daha iyi sonuçlar verdiği tespit edilmiştir. Kron/implant oranındaki artış stres miktarlarının artmasına ve implantların klinik başarı sürelerinin kısalmasına neden olmuştur. Anahtar Kelimeler: Dinamik yükleme, kısa implant, kron/implant oranı, sonlu eleman stres analizi

Keywords:

Review of the impact of the crown/implant rate on the distribution of stress in short implants
2019
Author:  
Abstract:

Purpose: The purpose of this study is to study the stress of static and dynamic loads applied to short implants with different crown/implant ratio in the bone tissue surrounding the implant and the ultimate elements of the stress in the implant by the method of stress analysis.  Tools and Methods: In the study, a diameter of 4.1 mm and three different lengths (6 mm, 8 mm and 10 mm) were selected a total of 3 dental implants. On these three implants the crown/implant ratio will be 1/1, 1.5/1 and 2/1 and the three sub-first molar metal-backed ceramic crowns are designed in the computer environment and the implant-backed crowns are again placed in the mandibula model in the computer environment and a total of 9 work models are obtained. These models are obtained, using vertical and shaped functional forces, to the maximum and minimum original stress values formed in the cortical and spongiotic bones, to the Von Mises stress values formed in the implants, to the fatigue values occurring in the implants, the effect of the crown/implant ratio has been studied by the three-dimensional final elements stress analysis method. Discoveries: Despite the same amount of force applied, a significant increase in the stress levels in the parts that form the implant system and bone tissue compared to the models that were loaded on the shape. In all models, an increase in the crown/implant ratio has led to a significant increase in the stress levels in the parts that make up the implant system and in the bone tissue. Results: The numerical values obtained within the limits of this study showed that the crown/implant ratio affects the cargo transfer mechanisms and the clinical success periods of the implants. In the treatment of single tooth deficiencies in the mandibular molar area, 1/1 crone/implant ratio has been found to have better results than other ratio. The increase in the crown/implant ratio has led to increased stress levels and shortened the clinical success periods of the implants. Keywords: Dynamic load, short implant, crown/implant ratio, final element stress analysis

Keywords:

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Selcuk Dental Journal

Field :   Sağlık Bilimleri

Journal Type :   Ulusal

Metrics
Article : 699
Cite : 255
2023 Impact : 0.03
Selcuk Dental Journal