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CC BY 4.0 · European Journal of General Dentistry 2024; 13(01): 041-050
DOI: 10.1055/s-0043-1777862
Original Article

Biomechanical Analysis of Mandibular Premolar Restored with Different Custom Post Core

Alma Gavranović-Glamoč 
1   Department of Prosthodontics with Dental Implantology, Faculty of Dentistry with Dental Clinical Center, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
,
Selma Jakupović 
2   Department of Restorative Dentistry with Endodontics, Faculty of Dentistry with Dental Clinical Center, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
,
Edin Cerjaković 
3   Department of Production Engineering, Faculty of Mechanical Engineering, University of Tuzla, Tuzla, Bosnia and Herzegovina
,
Alan Topčić 
3   Department of Production Engineering, Faculty of Mechanical Engineering, University of Tuzla, Tuzla, Bosnia and Herzegovina
,
Emir Berhamović 
1   Department of Prosthodontics with Dental Implantology, Faculty of Dentistry with Dental Clinical Center, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
,
Lejla Kazazić 
1   Department of Prosthodontics with Dental Implantology, Faculty of Dentistry with Dental Clinical Center, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
,
Sanela Strujić-Porović 
1   Department of Prosthodontics with Dental Implantology, Faculty of Dentistry with Dental Clinical Center, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
,
Adnan Šehić 
4   Department of Radiological Technology, Faculty of Health Studies, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
,
Elmedin Bajrić 
5   Department of Preventive Dentistry and Pedodontics, Faculty of Dentistry with Dental Clinical Center, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
› Author Affiliations
Funding Information No funding was received for this article.
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Abstract

Objective This study investigated biomechanical behavior of custom post core made of six different materials on the tooth with and without the ferrule under different occlusal load.

Materials and Methods Three-dimensional models of mandibular first premolar, with and without ferrule, reconstructed from micro-computed tomography image are restored with different custom post core and zirconia crowns. By using the finite element analysis, von Mises stress shown in MPa was measured under simulated axial and oblique load of 200 [N]. To compare the stress distribution, six different custom post core materials were chosen: zirconia, Ni-Cr alloy, gold alloy, glass fiber-polyether ether ketone, polyether ether ketone, and carbon fiber-polyether ether ketone.

Results Custom post cores with a higher modulus of elasticity showed higher measured stress in the posts, but less stress in dentin. Measured stress in custom post core under oblique loading was approximately three times higher compared with axial loading. Stress in custom post core and in dentin under both types of loads was slightly higher in teeth without ferrule effect.

Conclusion The use of custom cast post cores made of different alloys is recommended in restoration of endodontically treated teeth, with extensive loss of tooth structure especially in teeth without ferrule effect.

Keywords

endodontically treated teeth - custom post core - finite element analysis

Authors' Contributions

All authors have equally contributed to the concept and design of the study, analysis, and interpretation of the data, literature search, and writing the manuscript. All authors have revised the manuscript critically for important intellectual content, and all authors have read and agreed to the published version of the manuscript.




Publication History

Article published online:
21 February 2024

© 2024. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. (https://creativecommons.org/licenses/by/4.0/)

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