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  • Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi
  • Volume:28 Issue:4
  • EVALUATION OF STRESS DISTRIBUTION OF DIFFERENT RESTORATIVE MATERIALS IN CLASS V CAVITIES

EVALUATION OF STRESS DISTRIBUTION OF DIFFERENT RESTORATIVE MATERIALS IN CLASS V CAVITIES

Authors : Mehmet Sami GÜLER
Pages : 518-523
Doi:10.17567/ataunidfd.473897
View : 50 | Download : 13
Publication Date : 2018-10-14
Article Type : Research Paper
Abstract :Aim: The aim of present study was to assess the stress distribution of different restorative materials applied in a Class V cavity by finite element analysis. Material and Methods: A 3D tooth model of a maxillary molar tooth was created for present study. The cavity was created in the computer model. Study groups were created according to four different restorative materials (Group I: a hybrid resin-based composite, Group II: a flowable resin composite, Group III: a compomer, and Group IV: resin-modified glass ionomer cement). The von Mises stress distribution was evaluated loading of 400 N. Results: It was detected that the highest stress in Group II (301.21 MPa).   However, it was observed that the lowest stress in Group I (235.74 MPa). Conclusion: Within the limitations of our study, the lowest stress distribution for Class V cavity was obtained in the hybrid composite resin. Keywords: Finite element analysis, restorative materials, stress distribution SINIF V KAVİTELERDE FARKLI RESTORATİF MATERYALLERİN STRES DAĞILIMININ DEĞERLENDİRİLMESİ ÖZ Amaç: Bu çalışmanın amacı sonlu elemanlar analizi ile Sınıf V kavitede uygulanan farklı restoratif materyallerin stres dağılımını değerlendirmektir. Gereç ve Yöntem: Çalışma için bir maksiller sol birinci molar dişin üç boyutlu diş modeli oluşturuldu. Kavite bilgisayar ortamında hazırlandı. Dört farklı restoratif materyale göre çalışma grupları (Grup I: hibrid kompozit rezin, Grup II: akıcı kompozit rezin, Grup III: kompomer ve Grup IV: rezin modifiye cam iyonomer siman) oluşturuldu. 400 N’luk yük uygulanarak Von Mises stres dağılımı değerlendirildi. Bulgular: En yüksek stres Grup II’de (301,21 MPa) tespit edidi. Bununla birlikte, en düşük stres Grup I’de (235,74 MPa) gözlendi.   Sonuç: Çalışmamızın sınırları dahilinde, Sınıf V kaviteler için en düşük stres dağılımı hibrit kompozit rezinde elde edilmiştir. Anahtar Kelimeler: Sonlu elemanlar analizi, restoratif materyaller, stres dağılımı
Keywords : Finite element analysis, restorative materials

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