Biomechanical Analysis of Two Prototypes for a Zirconia-Oxide Trans-Endodontic Implant; an In-silico Study
Keywords:
Prototype, Zirconia, Trans-endodontic implant, Biomechanical.Abstract
INTRODUCTION: Trans-Endodontic Implants (TEI) are artificial extensions securely anchored through a tooth apex to healthy tissues. Recently, materials such as Titanium (Ti), Nickel-Titanium (Ni-Ti) alloys, Chromium-Cobalt (Cr-Co), and Chromium-Cobalt-Molybdenum (Cr-Co-Mo) have been employed; however, their use has been limited due to corrosion or poor technique and case selection. Recently, Zirconium Oxide (ZrO2) has been utilized due to its mechanical and aesthetic properties; computer-aided design (CAD) software allows the design of complex 3D structures and analysis of their behavior. OBJECTIVE: To design and produce two zirconium TEI models for future application as a restorative material in the oral cavity. METHODOLOGY: A 3D model of the TEI was created using SOLIDWORKS software, considering the implant measurements, which will be determined by the average length of incisors established in the literature; for the diameter the last rotary instrument used previously in root canal treatment was considered. RESULTS: The biomechanical characteristics of the thread were established, considering those that favor the osseointegration process. The results showed that the implant demonstrated adequate biomechanical characteristics. CONCLUSIONS: The designed implant showed promising biomechanical properties, making it a potential alternative for the treatment of anterior teeth with apical segment fractures or extremely short roots. This design could provide a viable solution for restoring teeth with compromised roots.
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