| About this Abstract |
| Meeting |
2023 TMS Annual Meeting & Exhibition
|
| Symposium
|
Biological Materials Science
|
| Presentation Title |
Notched 3D Printed Replica Teeth for In Vitro Characterization of Dental Cracks with Quantitative Percussion Diagnostics |
| Author(s) |
Jie Shen, Haocheng Yang, Cherilyn G. Sheets, James C. Earthman |
| On-Site Speaker (Planned) |
Jie Shen |
| Abstract Scope |
Quantitative percussion diagnostics (QPD) has been developed to detect cracks in teeth and dental restorations. Controlled studies of QPD characterization of cracked human teeth are difficult to perform in vivo. The goal of the present research was to establish a methodology for using 3D printed replica teeth to accurately simulate this characterization in vitro. We found that fatigue cracks in replica teeth can be produced by building in a notch at a desired location in the tooth followed by fatigue loading to form a short but sharp crack that extends from the notch tip. Replica teeth containing such a simulated fatigue crack were tested using QPD and the results were found to be consistent with QPD data for cracked natural teeth. Finite element analysis was also used to confirm that a short fatigue crack combined with the notch is a reasonably good approximation of a fatigue crack in a tooth. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Biomaterials, Modeling and Simulation, Additive Manufacturing |