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http://dspace.ucuenca.edu.ec/handle/123456789/43497
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DC Field | Value | Language |
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dc.contributor.advisor | Abad Coronel, Cristian Gustavo | - |
dc.contributor.author | Córdova Díaz, Johanna Mireya | - |
dc.contributor.author | Merchán Cabrera, Andrea Isabel | - |
dc.date.accessioned | 2023-12-12T16:31:30Z | - |
dc.date.available | 2023-12-12T16:31:30Z | - |
dc.date.issued | 2023-12-12 | - |
dc.identifier.uri | http://dspace.ucuenca.edu.ec/handle/123456789/43497 | - |
dc.description | El objetivo de este estudio fue evaluar y comparar la resistencia a la fractura de una prótesis dental fija (FDP) temporal de tres unidades hecha de un nuevo material polimérico obtenido mediante una técnica aditiva (3DPP) utilizando el diseño y fabricación asistida por computadora (CAD/CAM), comparando con los resultados respectivos de las PDF temporales de polimetilmetacrilato (PMMA) obtenidas mediante una técnica sustractiva (fresado). Métodos: PDF de tres unidades se imprimieron en 3D usando un material polimérico (n = 20) o se fresaron usando polimetilmetacrilato (n = 20). Luego de un termociclado de 5000 ciclos a temperaturas extremas de 5 ◦C y 55 ◦C en agua destilada, cada probeta fue sometida a una prueba de compresión en una máquina de ensayo universal a razón de 0,5 mm/min hasta que se produjo la falla, registrándose el valor en newtons (N). Resultados: Hubo diferencias estadísticamente significativas (valor p < 0,005) entre el material PMMA (2104,7 N; DE = 178,97 N) y 3DPP (1000,8 N; DE = 196,4 N). Conclusiones: La resistencia a la fractura de las PDF fabricadas a partir de PMMA fresado mostraron valores más altos de resistencia a la fractura. Sin embargo, la resistencia del 3DPP mostró valores aceptables bajo carga mecánica; este notable avance en la resistencia de los materiales impresos los consolida como una importante alternativa para su uso en restauraciones provisionales indirectas. | en_US |
dc.description.abstract | Abstract: 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 (n = 20) or milled using polymethylmethacrylate (n = 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 (p-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. | en_US |
dc.description.uri | 0000-0002-5326-681X | en_US |
dc.format | application/pdf | en_US |
dc.format.extent | 27 paginas | en_US |
dc.language.iso | spa | en_US |
dc.publisher | Universidad de Cuenca | en_US |
dc.relation.ispartof | ODONOD;006 | - |
dc.rights | Attribution-NonCommercial-NoDerivatives 4.0 Internacional | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | * |
dc.subject | Prótesis dental | en_US |
dc.subject | Materiales dentales | en_US |
dc.subject | Restauración dental | en_US |
dc.subject.other | CIUC::Medicina::Odontología::Cirugía Oral | en_US |
dc.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 | en_US |
dc.title.alternative | 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 | en_US |
dcterms.description | Especialista en Operatoria Dental y Estética | en_US |
dcterms.spatial | Cuenca, Ecuador | en_US |
dc.rights.accessRights | openAccess | en_US |
Appears in Collections: | Tesis Especializaciones |
Files in This Item:
File | Description | Size | Format | |
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Trabajo-de-Titulación.pdf | Versión presentada (texto completo) | 3.43 MB | Adobe PDF | View/Open |
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