Determination of the compressive modulus of elasticity of periodontal ligament derived from human first premolars.

ABSTRACT:

Purpose

There are two commonly cited modulus of elasticity of the human periodontal ligament (E_PDL), i.e., 6.89 ✕ 10^-5 GPa (E1) and 6.89 ✕ 10^-2 GPa (E2), which are exactly 1000-fold different from each other. This study aims to clarify the ambiguity of the two E_PDL used for simulations and determine a more accurate E_PDL value of human first premolars using experimental and simulation approaches.

Methods

Numerical simulations using finite element analysis were performed to analyze PDL deformation under an average Asian occlusal force. To confirm the results, simple and multi-component, true-scale 3D models of a human first premolar were used in the simulations. Finally, a compression test using a universal testing machine

SUBMITTER: Limjeerajarus N 

PROVIDER: S-EPMC10018569 | biostudies-literature | 2023 Mar

REPOSITORIES: biostudies-literature