Comparative Evaluation of Stress Distribution and Deformation in Class II Cavities Restored With Two Different Biomimetic Restorative Materials: A Three-Dimensional Finite Element Analysis

被引：1

作者：

Bansal, Parul ^{[1
]}

Seth, Tanya ^{[1
]}

Kumar, Mohit ^{[2
]}

Bhatt, Megna ^{[1
]}

Arora, Pulkit ^{[1
]}

Gupta, Iti ^{[1
]}

Chaudhary, Swati ^{[1
]}

Akkanapally, Sravyanjali ^{[1
]}

Arora, Ankusha ^{[1
]}

Singh, Shefali ^{[1
]}

机构：

[1] Shree Bankey Bihari Dent Coll & Res Ctr, Dept Conservat Dent & Endodont, Ghaziabad, India

[2] Kalyan Singh Govt Med Coll, Dept Dent, Bulandshahr, India

来源：

CUREUS JOURNAL OF MEDICAL SCIENCE | 2024年 / 16卷 / 09期

关键词：

von-mises stress; total deformation; stress distribution; finite element analysis; everx posterior; biomimetic restorative material; activa bioactive;

D O I：

10.7759/cureus.69179

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

Aim This study aims to comparatively evaluate the stress distribution and deformation in class II cavities restored with EverX posterior and Activa (TM) Bioactive restorative material using three-dimensional finite element analysis. Methods On a mandibular first molar tooth model, features of a class II mesio-occlusal cavity were designed. Following the application of EverX Posterior and Activa (TM) Bioactive, the model was subjected to a 600 N static occlusal load. Three-dimensional finite element analysis was used to analyze the distribution of occlusal stresses among the remaining components and restorative materials. von Mises and maximum principal stresses were evaluated and compared. Results von Mises and maximum principal stresses of Activa (TM) Bioactive components were higher compared to the control group and EverX Posterior model. Activa (TM) Bioactive restorations had absorbed more stresses within the material rather than distributing it to enamel and dentin than EverX Posterior material. Also, deformation was extremely high in the Activa (TM) Bioactive model, which may be because of less stiffness of the material. Conclusion EverX posterior has a higher capacity to bear stresses in stress-bearing areas than Activa (TM) Bioactive Restorative.

引用

页数：10

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