Polietereterketon ve İndirekt Kompozit Rezin Kalınlığının, Endokronla Restore Edilmiş Maksiller Premolar Dişteki Stres Dağılımına Etkisi: 3 Boyutlu Sonlu Elemanlar Analizi

Year 2020, Volume: 4 Issue: 3, 298 - 305, 31.12.2020

Merve Köseoğlu Fatma Furuncuoğlu

https://doi.org/10.34084/bshr.825726

Cited By: 3

Abstract

Amaç: Mevcut çalışmanın amacı, polietereterketon alt yapı ve indirekt kompozit rezin üst yapı materyallerinin kalınlıklarının, endodontik tedavisi yapılmış ve endokronla restore edilmiş maksiller premolar dişlerdeki stres dağılımına etkisinin incelenmesidir.
Yöntem: Çalışmada kontrol grubu olarak, sağlam maksiller premolar diş kullanılmıştır. Tüm gruplarda endokron materyali olarak polietereterketon alt yapı materyali ve indirekt kompozit rezin vener materyali kullanılmıştır. Çalışma gruplarında, endokronun okluzal kalınlığı 3 mm olarak sabitlenmiştir. Polyetheretherketone ve indirek kompozit rezin vener materyalinin kalınlığı; 1, 1,5 ve 2 mm olarak belirlenmiştir. 200 N büyüklüğünde vertikal ve oblik kuvvet altında, maksiller premolar dişteki stres dağılımı analiz edilmiştir.
Bulgular: Tüm gruplarda, Von Mises stres dağılımlarının aynı olduğu görülmüştür. Ayrıca, mine ve dentindeki von Mises stres değerleri, tüm endokron gruplarında aynı ve sağlam dişten daha yüksek bulunmuştur. Restoratif materyaldeki en düşük von Mises stres değerleri, 2 mm polietereterketon alt yapı ve 1 mm indirek kompozit vener materyalinden oluşan çalışma grubunda görülmüştür.
Sonuç: Polietereterketon ve indirek kompozit materyallerinin kalınlıkları, mine ve dentindeki von Mises stres dağılımları ve stres değerlerini etkilememiştir.

Keywords

Sonlu Elemanlar Analizi, Dental Restorasyonlar, Endodonti, Protetik Diş Tedavisi

Thanks

Çalışmayı maddi olarak destekleyen kişi/kuruluş yoktur ve yazarların herhangi bir çıkar dayalı ilişkisi yoktur

Effect of Polyetheretherketone and Indirect Composite Resin Thickness On Stress Distribution in Maxillary Premolar Teeth Restored with Endocrown: A 3D Finite Element Analysis

Abstract

Objective: The objective of this study was to evaluate the influence of polyetheretherketone substructure and indirect composite resin veneering material thicknesses on stress distribution in endodontically treated maxillary premolar teeth restored with endocrowns.
Methods: A sound maxillary premolar teeth was used as control group. Polyetheretherketone substructure and indirect composite resin veneering materials were used as endocrown materials in all study groups. The occlusal thicknesses of the endocrowns were fixed at 3 mm in study groups. Thicknesses of polyetheretherketone and indirect composite resin veneering material were determined as; 1, 1.5 and 2 mm. Stress distributions of maxillary premolar teeth under 200 N vertical and oblique loads were analyzed.
Results: Von Mises stress distributions were same in study groups. Von Mises stress values in enamel and dentin were same in all study groups and they were higher than sound teeth. The lowest Von Mises in restorative material were found in a study group with 2 mm PEEK substructure and 1 mm indirect composite resin veneering material thickness.
Conclusion: Difference in polyetheretherketone and indirect composite resin veneering materials’ thickness didn’t affect von Mises stress values and distributions in enamel, dentin.

Keywords

Finite Element Analysis, Dental Restorations, Endodontics, Prosthodontics

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