Effect of Ferrule Design on Stress Distribution of Maxillary Incisor Rehabilitated with Ceramic Crown and PEEK Post–Core Material: A 3D Finite Element Analysis
Endodontic-treated teeth with massive degrees of coronal tissue loss usually require rehabilitation with post-retained unitary crowns. This study aimed to evaluate the effect of ferrule design on the stress distribution of maxillary incisors rehabilitated with zirconia crowns using finite element an...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-11-01
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| Series: | Ceramics |
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| Online Access: | https://www.mdpi.com/2571-6131/6/4/137 |
| _version_ | 1797381624400183296 |
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| author | Laura H. J. Alberto Zhaoxu Zhang Yuanyuan Duan |
| author_facet | Laura H. J. Alberto Zhaoxu Zhang Yuanyuan Duan |
| author_sort | Laura H. J. Alberto |
| collection | DOAJ |
| description | Endodontic-treated teeth with massive degrees of coronal tissue loss usually require rehabilitation with post-retained unitary crowns. This study aimed to evaluate the effect of ferrule design on the stress distribution of maxillary incisors rehabilitated with zirconia crowns using finite element analysis. Six three-dimensional models were generated according to the presence and location of ferrule (No Ferrule, Buccal Ferrule, Lingual Ferrule, Buccolingual Ferrule, and Full Ferrule). The post–core materials tested were Nickel–chromium (NiCr) and Polyetheretherketone (PEEK). A static load of 100 N at a 45-degree angle on the Lingual surface, in a region 2 mm below the incisive ridge, was applied. Von Mises stresses and contour plots of all of the models were collected and analyzed. A lower and more uniform stress distribution was observed in the Full Ferrule model compared with the remaining models. A reduction of 72% in the von Mises peak stresses was observed in the root when comparing the Full Ferrule and No Ferrule models, both with PEEK post–core material. In conclusion, the presence of an incomplete ferrule is beneficial to the stress distribution in restored post-retained crowns. The use of PEEK for post–core structures reduces the stress concentration on the posts, reducing the predisposition to irreparable root fracture. |
| first_indexed | 2024-03-08T20:55:06Z |
| format | Article |
| id | doaj.art-d02bef001d4a48b784e4651e8c5d3ecc |
| institution | Directory Open Access Journal |
| issn | 2571-6131 |
| language | English |
| last_indexed | 2024-03-08T20:55:06Z |
| publishDate | 2023-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Ceramics |
| spelling | doaj.art-d02bef001d4a48b784e4651e8c5d3ecc2023-12-22T13:59:53ZengMDPI AGCeramics2571-61312023-11-01642256226810.3390/ceramics6040137Effect of Ferrule Design on Stress Distribution of Maxillary Incisor Rehabilitated with Ceramic Crown and PEEK Post–Core Material: A 3D Finite Element AnalysisLaura H. J. Alberto0Zhaoxu Zhang1Yuanyuan Duan2Department of Biomedical Materials Science, University of Mississippi Medical Center, Jackson, MS 39216, USADepartment of Biomedical Materials Science, University of Mississippi Medical Center, Jackson, MS 39216, USADepartment of Biomedical Materials Science, University of Mississippi Medical Center, Jackson, MS 39216, USAEndodontic-treated teeth with massive degrees of coronal tissue loss usually require rehabilitation with post-retained unitary crowns. This study aimed to evaluate the effect of ferrule design on the stress distribution of maxillary incisors rehabilitated with zirconia crowns using finite element analysis. Six three-dimensional models were generated according to the presence and location of ferrule (No Ferrule, Buccal Ferrule, Lingual Ferrule, Buccolingual Ferrule, and Full Ferrule). The post–core materials tested were Nickel–chromium (NiCr) and Polyetheretherketone (PEEK). A static load of 100 N at a 45-degree angle on the Lingual surface, in a region 2 mm below the incisive ridge, was applied. Von Mises stresses and contour plots of all of the models were collected and analyzed. A lower and more uniform stress distribution was observed in the Full Ferrule model compared with the remaining models. A reduction of 72% in the von Mises peak stresses was observed in the root when comparing the Full Ferrule and No Ferrule models, both with PEEK post–core material. In conclusion, the presence of an incomplete ferrule is beneficial to the stress distribution in restored post-retained crowns. The use of PEEK for post–core structures reduces the stress concentration on the posts, reducing the predisposition to irreparable root fracture.https://www.mdpi.com/2571-6131/6/4/137finite element analysisceramic crownPolyetheretherketonePEEKferrule designincomplete ferrule |
| spellingShingle | Laura H. J. Alberto Zhaoxu Zhang Yuanyuan Duan Effect of Ferrule Design on Stress Distribution of Maxillary Incisor Rehabilitated with Ceramic Crown and PEEK Post–Core Material: A 3D Finite Element Analysis Ceramics finite element analysis ceramic crown Polyetheretherketone PEEK ferrule design incomplete ferrule |
| title | Effect of Ferrule Design on Stress Distribution of Maxillary Incisor Rehabilitated with Ceramic Crown and PEEK Post–Core Material: A 3D Finite Element Analysis |
| title_full | Effect of Ferrule Design on Stress Distribution of Maxillary Incisor Rehabilitated with Ceramic Crown and PEEK Post–Core Material: A 3D Finite Element Analysis |
| title_fullStr | Effect of Ferrule Design on Stress Distribution of Maxillary Incisor Rehabilitated with Ceramic Crown and PEEK Post–Core Material: A 3D Finite Element Analysis |
| title_full_unstemmed | Effect of Ferrule Design on Stress Distribution of Maxillary Incisor Rehabilitated with Ceramic Crown and PEEK Post–Core Material: A 3D Finite Element Analysis |
| title_short | Effect of Ferrule Design on Stress Distribution of Maxillary Incisor Rehabilitated with Ceramic Crown and PEEK Post–Core Material: A 3D Finite Element Analysis |
| title_sort | effect of ferrule design on stress distribution of maxillary incisor rehabilitated with ceramic crown and peek post core material a 3d finite element analysis |
| topic | finite element analysis ceramic crown Polyetheretherketone PEEK ferrule design incomplete ferrule |
| url | https://www.mdpi.com/2571-6131/6/4/137 |
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