Effect of Aging on Crack Propagation Trajectory in Dentin: Numerical Analysis

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Zoljanahi Oskui Iman

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Paper Information

Journal: IRANIAN JOURNAL OF BIOMEDICAL ENGINEERING Year:2018 | Volume:12 | Issue:1 Page(s): 75-84

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Information Journal Paper

Title

Effect of Aging on Crack Propagation Trajectory in Dentin: Numerical Analysis

Author(s)

Zoljanahi Oskui Iman | Issue Writer Certificate

Keywords

Dental MicrostructureQ1

AgingQ1

Linear Elastic Fracture MechanicsQ1

Finite Element MethodQ3

Abstract

With the increase in lifespan there are many concerns related to ability of the hard tissues such as teeth to meet the physical demands over an extended period of function. The dentin has a special microstructural feature that governs its mechanical behavior, e. g., fracture mechanics: cylindrical tubules that are called dentin tubules. These tubules are gradually occluded in the elderly. The present study is aimed to investigate the effects of microstructure and its Aging-related changes of the considered fiber-reinforced composite dentin on the fracture behavior and crack propagation trajectory, utilizing Linear Elastic Fracture Mechanics and Finite Element Method. Obtained results indicate that the crack propagation path depends on geometrical microstructure of the dentin as well as respective mechanical properties and arrangement of dentin tubules. Also our results delineate that occlusion of dentinal tubule due to the Aging plays a significant role at crack propagation trajectory and behaves as a barrier to crack growth.

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APA: Copy

Zoljanahi Oskui, Iman. (2018). Effect of Aging on Crack Propagation Trajectory in Dentin: Numerical Analysis. IRANIAN JOURNAL OF BIOMEDICAL ENGINEERING, 12(1 ), 75-84. SID. https://sid.ir/paper/81711/en

Vancouver: Copy

Zoljanahi Oskui Iman. Effect of Aging on Crack Propagation Trajectory in Dentin: Numerical Analysis. IRANIAN JOURNAL OF BIOMEDICAL ENGINEERING[Internet]. 2018;12(1 ):75-84. Available from: https://sid.ir/paper/81711/en

IEEE: Copy

Iman Zoljanahi Oskui, “Effect of Aging on Crack Propagation Trajectory in Dentin: Numerical Analysis,” IRANIAN JOURNAL OF BIOMEDICAL ENGINEERING, vol. 12, no. 1 , pp. 75–84, 2018, [Online]. Available: https://sid.ir/paper/81711/en

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