Finite Element Comparative Analysis of Von Mises Stress Levels in Unilateral Removable Partial Denture with and without Distal Implant
The aim of this paper is to compare von Mises stress levels and displacements between two possible designs of a class II Kennedy unilateral removable partial denture. Finite element analysis was used to compare two unilateral class II Kennedy removable partial dentures replacing a mandibular second...
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MDPI AG
2022-05-01
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| Online Access: | https://www.mdpi.com/2076-3417/12/10/5116 |
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| author | Oana Cella Andrei Livia Alice Tănăsescu Ioana Daniela Tărlungeanu Magdalena Natalia Dina Mircea Horia Tierean |
| author_facet | Oana Cella Andrei Livia Alice Tănăsescu Ioana Daniela Tărlungeanu Magdalena Natalia Dina Mircea Horia Tierean |
| author_sort | Oana Cella Andrei |
| collection | DOAJ |
| description | The aim of this paper is to compare von Mises stress levels and displacements between two possible designs of a class II Kennedy unilateral removable partial denture. Finite element analysis was used to compare two unilateral class II Kennedy removable partial dentures replacing a mandibular second premolar, and first and second molars and with the same design, except a distal implant. The 3D model was created for a mandibular RPD with three artificial teeth and double ball attachment on the abutment teeth and a horizontal ball attachment for the implant, using Autodesk Inventor 2022 software. On the saddle, significant differences appear only when force is applied on the second molar. Association with implant increases von Mises stresses on the acrylic saddle, where displacements values are similar, and decreases von Mises stresses on the muco-osseous support, where displacements values are also similar. Regarding metal reinforcement of the denture, von Mises stress values are greater for forces applied on the second premolar in the implant situation, and smaller for forces applied on the first and second molars. Association with implant decreases von Mises stresses on the metal reinforcement of the denture only if the force is applied distally, on the two molars; in this case, the metal reinforcement is more stressed above the mesial double ball attachment, where displacements values are similar. Regarding the artificial teeth, adding a distal implant does not significantly influence the stress and displacements values, except on the second premolar where the von Mises stresses values are greater, where displacements values are similar. Although an association with an implant increases the risk of fracture for the denture, the results demonstrate that in the posterior area of the edentulous space, the denture exerts less pressure on the mucosa and subjacent bone, protecting the area against resorption. |
| first_indexed | 2024-03-10T03:23:28Z |
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| language | English |
| last_indexed | 2024-03-10T03:23:28Z |
| publishDate | 2022-05-01 |
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| record_format | Article |
| series | Applied Sciences |
| spelling | doaj.art-7d3547c02dc54177b45ab9ceaa007f5e2023-11-23T09:57:56ZengMDPI AGApplied Sciences2076-34172022-05-011210511610.3390/app12105116Finite Element Comparative Analysis of Von Mises Stress Levels in Unilateral Removable Partial Denture with and without Distal ImplantOana Cella Andrei0Livia Alice Tănăsescu1Ioana Daniela Tărlungeanu2Magdalena Natalia Dina3Mircea Horia Tierean4Department of Removable Prosthodontics, Faculty of Dentistry, University of Medicine and Pharmacy “Carol Davila” Bucharest, 37 Dionisie Lupu Street, 020021 Bucharest, RomaniaDepartment of Removable Prosthodontics, Faculty of Dentistry, University of Medicine and Pharmacy “Carol Davila” Bucharest, 37 Dionisie Lupu Street, 020021 Bucharest, RomaniaDepartment of Removable Prosthodontics, Faculty of Dentistry, University of Medicine and Pharmacy “Carol Davila” Bucharest, 37 Dionisie Lupu Street, 020021 Bucharest, RomaniaDepartment of Dental Techniques, Faculty of Midwifery and Nursing, University of Medicine and Pharmacy “Carol Davila” Bucharest, 37 Dionisie Lupu Street, 020021 Bucharest, RomaniaMaterials Engineering and Welding Department, Transilvania University of Brasov, 29 Eroilor Blvd., 500036 Brasov, RomaniaThe aim of this paper is to compare von Mises stress levels and displacements between two possible designs of a class II Kennedy unilateral removable partial denture. Finite element analysis was used to compare two unilateral class II Kennedy removable partial dentures replacing a mandibular second premolar, and first and second molars and with the same design, except a distal implant. The 3D model was created for a mandibular RPD with three artificial teeth and double ball attachment on the abutment teeth and a horizontal ball attachment for the implant, using Autodesk Inventor 2022 software. On the saddle, significant differences appear only when force is applied on the second molar. Association with implant increases von Mises stresses on the acrylic saddle, where displacements values are similar, and decreases von Mises stresses on the muco-osseous support, where displacements values are also similar. Regarding metal reinforcement of the denture, von Mises stress values are greater for forces applied on the second premolar in the implant situation, and smaller for forces applied on the first and second molars. Association with implant decreases von Mises stresses on the metal reinforcement of the denture only if the force is applied distally, on the two molars; in this case, the metal reinforcement is more stressed above the mesial double ball attachment, where displacements values are similar. Regarding the artificial teeth, adding a distal implant does not significantly influence the stress and displacements values, except on the second premolar where the von Mises stresses values are greater, where displacements values are similar. Although an association with an implant increases the risk of fracture for the denture, the results demonstrate that in the posterior area of the edentulous space, the denture exerts less pressure on the mucosa and subjacent bone, protecting the area against resorption.https://www.mdpi.com/2076-3417/12/10/5116unilateral removable partial denturedental implantfinite element analysis |
| spellingShingle | Oana Cella Andrei Livia Alice Tănăsescu Ioana Daniela Tărlungeanu Magdalena Natalia Dina Mircea Horia Tierean Finite Element Comparative Analysis of Von Mises Stress Levels in Unilateral Removable Partial Denture with and without Distal Implant Applied Sciences unilateral removable partial denture dental implant finite element analysis |
| title | Finite Element Comparative Analysis of Von Mises Stress Levels in Unilateral Removable Partial Denture with and without Distal Implant |
| title_full | Finite Element Comparative Analysis of Von Mises Stress Levels in Unilateral Removable Partial Denture with and without Distal Implant |
| title_fullStr | Finite Element Comparative Analysis of Von Mises Stress Levels in Unilateral Removable Partial Denture with and without Distal Implant |
| title_full_unstemmed | Finite Element Comparative Analysis of Von Mises Stress Levels in Unilateral Removable Partial Denture with and without Distal Implant |
| title_short | Finite Element Comparative Analysis of Von Mises Stress Levels in Unilateral Removable Partial Denture with and without Distal Implant |
| title_sort | finite element comparative analysis of von mises stress levels in unilateral removable partial denture with and without distal implant |
| topic | unilateral removable partial denture dental implant finite element analysis |
| url | https://www.mdpi.com/2076-3417/12/10/5116 |
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