Finite element simulation of fixed dental prostheses made from PMMA —Part I: Experimental investigation under quasi-static loading and chewing velocities
Source abstract
Abstract
Material properties are of high clinical relevance, even though in vitro laboratory setups may differ from clinical conditions. Therefore, the aim of the present study was to investigate the fracture behavior of three-unit bridge restoration (Telio CAD) with different test velocities (1.0 mm/min International Organization for Standardization (ISO) standard speed/ 130 mm/s mean chewing velocity) and to provide crucial validation experiments for the upcoming Part 2 of our study, in which FEA on such temporary restorations will be conducted. Local strains were detected using digital image correlation (DIC). The material exhibited significantly different responses at different test velocities, and the forces at fracture were found to be much smaller at chewing velocity (130 mm/s) than in the quasi-static test. Overall, the results of the present study show that characteristics pertaining to material behavior can change significantly with increasing chewing velocity, and that fracture forces decrease with increasing test velocity.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Dental materials and restorations · Dental Implant Techniques and Outcomes · Endodontics and Root Canal Treatments
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Prosthodontics, Dental Clinic, Justus-Liebig-University
Institute of Mechanics and Materials, Technische Hochschule Mittelhessen
References (41)
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