Comparative FEM study about various posts used on endodontically treated teeth
Objectives. The aim of the present study was to analyze comparatively, through the finite element method (FEM), the biomechanical behavior of different types of devices used to increase the resistance of restorations on endodontically treated teeth, upon the experimental application of a force of 35...
| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Amaltea Medical Publishing House
2023-06-01
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| Series: | Romanian Journal of Stomatology |
| Subjects: | |
| Online Access: | https://rjs.com.ro/articles/2023.2/RJS_2023_2_Art-06.pdf |
| _version_ | 1797308765192585216 |
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| author | Doina Lucia Ghergic Gina Paunita Grecu Anna Maria Pangica Cherana Gioga Raluca Monica Comaneanu Claudia Florina Bogdan-Andreescu Paula Perlea Cristina Nistor Mihail Tarcolea |
| author_facet | Doina Lucia Ghergic Gina Paunita Grecu Anna Maria Pangica Cherana Gioga Raluca Monica Comaneanu Claudia Florina Bogdan-Andreescu Paula Perlea Cristina Nistor Mihail Tarcolea |
| author_sort | Doina Lucia Ghergic |
| collection | DOAJ |
| description | Objectives. The aim of the present study was to analyze comparatively, through the finite element method (FEM), the biomechanical behavior of different types of devices used to increase the resistance of restorations on endodontically treated teeth, upon the experimental application of a force of 350N. Materials and methods. We studied comparatively three types of posts, respectively: fiberglass post, cast post from Cr-Co-Mo alloy and prefabricated titanium post. Three irretrievable extracted teeth for periodontal reasons were endodontically treated and then specifically prepared for cementation of this devices. The teeth were scanned at a radio-diagnostic center, and the obtained DICOM files were processed with MIMICS and 3-matic and then subjected to finite element analysis with ANSYS. Results. From the 48 simulations carried out for the case of all-ceramic crown coverage, the use of titanium post is associated with 25 situations in which maximum or minimum values appear, the use of cast post presents 12
situations in which maximum or minimum values are developed, the use of fiberglass posts is associated with 10 simulations where maximum or minimum values occur, and in one case the deformations are equal. Regarding the use of the zirconium oxide crown, the results are comparable. Conclusions. The presence of zirconium oxide crowns generally produces less valuable stresses and deformations at the level of the components. The stress and strain values are lowest when using fiberglass posts, followed closely by cast post and far behind by titanium post. In all simulated situations, the limit values of stresses and strains are mostly recorded at the tooth root, which is susceptible to fracture in case of parafunctional forces, followed by the three devices themselves and the covering crowns. |
| first_indexed | 2024-03-08T01:16:27Z |
| format | Article |
| id | doaj.art-a630e7b8149b4103b47b6a281cfabf0e |
| institution | Directory Open Access Journal |
| issn | 1843-0805 2069-6078 |
| language | English |
| last_indexed | 2024-03-08T01:16:27Z |
| publishDate | 2023-06-01 |
| publisher | Amaltea Medical Publishing House |
| record_format | Article |
| series | Romanian Journal of Stomatology |
| spelling | doaj.art-a630e7b8149b4103b47b6a281cfabf0e2024-02-14T14:44:37ZengAmaltea Medical Publishing HouseRomanian Journal of Stomatology1843-08052069-60782023-06-0169210110810.37897/RJS.2023.2.6 Comparative FEM study about various posts used on endodontically treated teethDoina Lucia Ghergic0Gina Paunita Grecu1Anna Maria Pangica2Cherana Gioga3Raluca Monica Comaneanu4Claudia Florina Bogdan-Andreescu5Paula Perlea6Cristina Nistor7Mihail Tarcolea8Doctoral School of Dental Medicine, “Titu Maiorescu” University of Bucharest, Romania; Department of Dental Medicine Specialty Disciplines, Faculty of Dental Medicine, “Titu Maiorescu” University of Bucharest, RomaniaDoctoral School of Dental Medicine, “Titu Maiorescu” University of Bucharest, Romania Department of Dental Medicine Specialty Disciplines, Faculty of Dental Medicine, “Titu Maiorescu” University of Bucharest, RomaniaDepartment of Dental Medicine Specialty Disciplines, Faculty of Dental Medicine, “Titu Maiorescu” University of Bucharest, RomaniaDoctoral School of Dental Medicine, “Titu Maiorescu” University of Bucharest, Romania; Department of Dental Medicine Specialty Disciplines, Faculty of Dental Medicine, “Titu Maiorescu” University of Bucharest, RomaniaDepartment of Dental Medicine Specialty Disciplines, Faculty of Dental Medicine, “Titu Maiorescu” University of Bucharest, Romania “Carol Davila” University of Medicine and Pharmacy, Bucharest, Romania“Carol Davila” University of Medicine and Pharmacy, Bucharest, RomaniaBIOMAT Research Center, POLITEHNICA University of Bucharest, Romania; Doctoral School of Materials Science and Engineering, POLITEHNICA University of Bucharest, RomaniaObjectives. The aim of the present study was to analyze comparatively, through the finite element method (FEM), the biomechanical behavior of different types of devices used to increase the resistance of restorations on endodontically treated teeth, upon the experimental application of a force of 350N. Materials and methods. We studied comparatively three types of posts, respectively: fiberglass post, cast post from Cr-Co-Mo alloy and prefabricated titanium post. Three irretrievable extracted teeth for periodontal reasons were endodontically treated and then specifically prepared for cementation of this devices. The teeth were scanned at a radio-diagnostic center, and the obtained DICOM files were processed with MIMICS and 3-matic and then subjected to finite element analysis with ANSYS. Results. From the 48 simulations carried out for the case of all-ceramic crown coverage, the use of titanium post is associated with 25 situations in which maximum or minimum values appear, the use of cast post presents 12 situations in which maximum or minimum values are developed, the use of fiberglass posts is associated with 10 simulations where maximum or minimum values occur, and in one case the deformations are equal. Regarding the use of the zirconium oxide crown, the results are comparable. Conclusions. The presence of zirconium oxide crowns generally produces less valuable stresses and deformations at the level of the components. The stress and strain values are lowest when using fiberglass posts, followed closely by cast post and far behind by titanium post. In all simulated situations, the limit values of stresses and strains are mostly recorded at the tooth root, which is susceptible to fracture in case of parafunctional forces, followed by the three devices themselves and the covering crowns.https://rjs.com.ro/articles/2023.2/RJS_2023_2_Art-06.pdffemfiberglass posttitanium postcast postall ceramic crownzirconia crown |
| spellingShingle | Doina Lucia Ghergic Gina Paunita Grecu Anna Maria Pangica Cherana Gioga Raluca Monica Comaneanu Claudia Florina Bogdan-Andreescu Paula Perlea Cristina Nistor Mihail Tarcolea Comparative FEM study about various posts used on endodontically treated teeth Romanian Journal of Stomatology fem fiberglass post titanium post cast post all ceramic crown zirconia crown |
| title | Comparative FEM study about various posts used on endodontically treated teeth |
| title_full | Comparative FEM study about various posts used on endodontically treated teeth |
| title_fullStr | Comparative FEM study about various posts used on endodontically treated teeth |
| title_full_unstemmed | Comparative FEM study about various posts used on endodontically treated teeth |
| title_short | Comparative FEM study about various posts used on endodontically treated teeth |
| title_sort | comparative fem study about various posts used on endodontically treated teeth |
| topic | fem fiberglass post titanium post cast post all ceramic crown zirconia crown |
| url | https://rjs.com.ro/articles/2023.2/RJS_2023_2_Art-06.pdf |
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