Comparative Analysis of the Fracture Resistance of a Polymeric Material for 3D Printing and a Milled Polymethylmethacrylate Material as Interim Material for Fixed Partial Dentures: New Material Updated
The aim of this study was to evaluate and compare the fracture resistance of a temporary three-unit fixed dental prosthesis (FDP) made of a new polymeric material obtained by an additive technique (3DPP) using a computer-aided design and manufacturing (CAD/CAM) system, comparing the prosthesis to th...
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MDPI AG
2023-10-01
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author | Cristian Abad-Coronel Johanna Córdova Andrea Merchán Jaime Larriva Ariana Bravo Bryam Bernal Cesar A. Paltán Jorge I. Fajardo |
author_facet | Cristian Abad-Coronel Johanna Córdova Andrea Merchán Jaime Larriva Ariana Bravo Bryam Bernal Cesar A. Paltán Jorge I. Fajardo |
author_sort | Cristian Abad-Coronel |
collection | DOAJ |
description | The aim of this study was to evaluate and compare the fracture resistance of a temporary three-unit fixed dental prosthesis (FDP) made of a new polymeric material obtained by an additive technique (3DPP) using a computer-aided design and manufacturing (CAD/CAM) system, comparing the prosthesis to the respective outcomes of temporary polymethylmethacrylate (PMMA) FDPs obtained by a subtractive technique (milling). Methods: Three-unit FDPs were 3D printed using a polymeric material (<i>n</i> = 20) or milled using polymethylmethacrylate (<i>n</i> = 20). After thermocycling at 5000 cycles at extreme temperatures of 5 °C and 55 °C in distilled water, each specimen was subjected to a compression test on a universal testing machine at a rate of 0.5 mm/min until failure occurred, recording the value in newtons (N). Results: There were statistically significant differences (<i>p</i>-value < 0.005) between the PMMA material (2104.7 N; SD = 178.97 N) and 3DPP (1000.8 N; SD = 196.4 N). Conclusions: The fracture resistance of the PDFs manufactured from milled PMMA showed higher values for fracture resistance. However, the resistance of the 3DPP showed acceptable values under mechanical load; this notable advance in the resistance of printed materials consolidates them as an important alternative to use in interim indirect restorations. |
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spelling | doaj.art-cd5cdce9cc42434c8f920b29f5a779f42023-11-19T16:12:05ZengMDPI AGDesigns2411-96602023-10-017511810.3390/designs7050118Comparative Analysis of the Fracture Resistance of a Polymeric Material for 3D Printing and a Milled Polymethylmethacrylate Material as Interim Material for Fixed Partial Dentures: New Material UpdatedCristian Abad-Coronel0Johanna Córdova1Andrea Merchán2Jaime Larriva3Ariana Bravo4Bryam Bernal5Cesar A. Paltán6Jorge I. Fajardo7Research Group in Digital Dentistry and CAD/CAM Materials, Faculty of Dentistry, Universidad de Cuenca, Cuenca 010107, EcuadorResearch Group in Digital Dentistry and CAD/CAM Materials, Faculty of Dentistry, Universidad de Cuenca, Cuenca 010107, EcuadorResearch Group in Digital Dentistry and CAD/CAM Materials, Faculty of Dentistry, Universidad de Cuenca, Cuenca 010107, EcuadorResearch Group in Digital Dentistry and CAD/CAM Materials, Faculty of Dentistry, Universidad de Cuenca, Cuenca 010107, EcuadorFaculty of Dentistry, Universidad de Cuenca, Cuenca 010107, EcuadorFaculty of Dentistry, Universidad de Cuenca, Cuenca 010107, EcuadorMechanical Enginnering New Materials and Transformation Processes Research Group (GiMaT), Universidad Politécnica Salesiana, Cuenca 170517, EcuadorMechanical Enginnering New Materials and Transformation Processes Research Group (GiMaT), Universidad Politécnica Salesiana, Cuenca 170517, EcuadorThe aim of this study was to evaluate and compare the fracture resistance of a temporary three-unit fixed dental prosthesis (FDP) made of a new polymeric material obtained by an additive technique (3DPP) using a computer-aided design and manufacturing (CAD/CAM) system, comparing the prosthesis to the respective outcomes of temporary polymethylmethacrylate (PMMA) FDPs obtained by a subtractive technique (milling). Methods: Three-unit FDPs were 3D printed using a polymeric material (<i>n</i> = 20) or milled using polymethylmethacrylate (<i>n</i> = 20). After thermocycling at 5000 cycles at extreme temperatures of 5 °C and 55 °C in distilled water, each specimen was subjected to a compression test on a universal testing machine at a rate of 0.5 mm/min until failure occurred, recording the value in newtons (N). Results: There were statistically significant differences (<i>p</i>-value < 0.005) between the PMMA material (2104.7 N; SD = 178.97 N) and 3DPP (1000.8 N; SD = 196.4 N). Conclusions: The fracture resistance of the PDFs manufactured from milled PMMA showed higher values for fracture resistance. However, the resistance of the 3DPP showed acceptable values under mechanical load; this notable advance in the resistance of printed materials consolidates them as an important alternative to use in interim indirect restorations.https://www.mdpi.com/2411-9660/7/5/118PMMAprinted materialsCAD/CAM materialsfracture resistanceinterim restorations |
spellingShingle | Cristian Abad-Coronel Johanna Córdova Andrea Merchán Jaime Larriva Ariana Bravo Bryam Bernal Cesar A. Paltán Jorge I. Fajardo Comparative Analysis of the Fracture Resistance of a Polymeric Material for 3D Printing and a Milled Polymethylmethacrylate Material as Interim Material for Fixed Partial Dentures: New Material Updated Designs PMMA printed materials CAD/CAM materials fracture resistance interim restorations |
title | Comparative Analysis of the Fracture Resistance of a Polymeric Material for 3D Printing and a Milled Polymethylmethacrylate Material as Interim Material for Fixed Partial Dentures: New Material Updated |
title_full | Comparative Analysis of the Fracture Resistance of a Polymeric Material for 3D Printing and a Milled Polymethylmethacrylate Material as Interim Material for Fixed Partial Dentures: New Material Updated |
title_fullStr | Comparative Analysis of the Fracture Resistance of a Polymeric Material for 3D Printing and a Milled Polymethylmethacrylate Material as Interim Material for Fixed Partial Dentures: New Material Updated |
title_full_unstemmed | Comparative Analysis of the Fracture Resistance of a Polymeric Material for 3D Printing and a Milled Polymethylmethacrylate Material as Interim Material for Fixed Partial Dentures: New Material Updated |
title_short | Comparative Analysis of the Fracture Resistance of a Polymeric Material for 3D Printing and a Milled Polymethylmethacrylate Material as Interim Material for Fixed Partial Dentures: New Material Updated |
title_sort | comparative analysis of the fracture resistance of a polymeric material for 3d printing and a milled polymethylmethacrylate material as interim material for fixed partial dentures new material updated |
topic | PMMA printed materials CAD/CAM materials fracture resistance interim restorations |
url | https://www.mdpi.com/2411-9660/7/5/118 |
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