Fuerza adhesiva entre el zirconio y cementos-adhesivos bioactivos y/o con MDP - con y sin previo acondicionamiento dela superficie con arenado. Fase 1
dc.contributor.advisor | Luna Ángel, Luis Eduardo | |
dc.contributor.advisor | Tamayo Muñoz, Martha Cecilia | |
dc.contributor.advisor | Rojas Benavidez, Edgar Rene | |
dc.contributor.advisor | Torres Duran, Edgar | |
dc.contributor.advisor | Díaz Báez, David Augusto | |
dc.contributor.author | Cantarero Sandres, Chris Fabiola | |
dc.contributor.author | Herrera Xiques, Valentina | |
dc.contributor.author | Martínez, Marbelys Eduvigis | |
dc.contributor.author | Porras Vargas, Cristian Andrés | |
dc.date.accessioned | 2024-08-14T01:35:38Z | |
dc.date.available | 2024-08-14T01:35:38Z | |
dc.date.issued | 2024-07-25 | |
dc.description.abstract | Antecedentes: El óxidó de zircónió es una ceramica pólicristalina, alótrópica y, dependiendó de la temperatura, presenta estructuras cristalinas muy usadas para restauraciónes esteticas en ódóntólógí a. Debidó a que carece de matriz ví trea nó es susceptible a una degradación ací dica ló cual cómprómete su adhesión durante la cementación de estas restauraciónes. Pór ló que se han própuestós diferentes prótócólós de cementación para óptimizar esta adhesión que incluyen: tratamientó de superficie cón arenadó, aplicación de i mprimadóres para zircónió y adhesivós, cementós cón móleculas funciónales especí ficas (10 -MDP) y cementós bióactivós, sin embargó, nó hay evidencia suficiente que sópórte el usó de un prótócóló estandarizadó de cementación adhesiva que den resultadós clí ni cós cónfiables. Objetivo: En esta primera fase se busca evaluar la resistencia adhesiva al zircónió translucidó de siete sistemas de cementación adhesiva sin previó acóndiciónamientó de superficie cón arenadó. Metodología: Este estudio experimental in-vitro utilizo una muestra probabilística por grupo de 21 cilindros de cementos de 3mm Æ x 1.0mm H, cementados sobre láminas de óxido de zirconio maquinado translúcido [Cercon® ht], de 15mm-L X 10mm-W X 3 mm-H. Se evaluaron 7 grupos correspondientes a 7 protocolos diferentes de adhesión constituidos por los cementos: PanaviaV5, Duo-link Universal™, Theracem® y Activa-BioACTIVE - con o sin agente adhesivo. Las láminas de zirconio fueron diseñadas en el sistema Rhinoceros 3D, se procesaron como archivo STL en el software EXOCAD, se maquinaron en la fresadora Programill PM5 y se sinterizaron en el horno Programat CS4. Las láminas fueron codificadas y asignadas aleatoriamente a los 7 grupos de estudio, se fabricaron y se cementaron 3 cilindros por lamina. Después, las láminas con los cilindros fueron almacenadas en agua destilada a temperatura ambiente por 24 horas y posteriormente fueron removidos los moldes cilíndricos de Tygon. Para la evaluación de la resistencia adhesiva, cada lámina de zirconio fue colocada en la máquina universal de prueba electromecánica, (Instron 3366®) y se aplicó una carga compresiva en la base de cada uno de los cilindros a una velocidad de 0.5 mm / min. Los resultados se reportaron en MPa. Como los datos no siguieron una distribución normal, se analizaron descriptivamente con medianas [Me] y [RIQ], y se compararon con las pruebas de Kruskal Wallis y comparaciones múltiples de Dunn. (p< 0.05). Resultados: Al comparar todos los grupos se observa que hubo diferencias significativas entre ellos (p=0.0001). Al comparar los grupos entre si se observa que la mayor resistencia adhesiva se obtuvo para el grupo Duo-link Universal™ /All-bond Universal® [Me: 50.39MPa RIQ: 34.0471.21], y fue diferente estadísticamente con respecto a C/u de los otros grupos estudiados (p< 0.001), y el cemento que reporto la menor resistencia adhesiva fue el Panavia V5 sin imprimador [Me: 12.95 MPa -RIQ: 8.78 17.89], e igualmente fue significativamente menor con respecto a todos los otros grupos de estudio(p< 0.006) excepto con el grupo ACTIVA BioACTIVE. Al analizar los Cementos Biactivos se observa que el grupo ACTIVA BioACTIVE fue el que presento la menor resistencia adhesiva [Me:18.99 MPa-RIQ:12.71-22.39] significativamente con respecto a todos los otros grupos (p< 0,035). Conclusiones: Bajó las limitaciónes de este estudió, se puede sugerir que la cementación de restauraciónes de zircónió pódrí a óbtener mejores resultadós utilizandó cementós resinósós que cón cementós bióactivós. Parece que el usó del agente adhesivó cón 10-MDP presenta mejóres resultadós de adhesión al zircónió, peró su incórpóración al cementó pódrí a nó ser relevante. | |
dc.description.abstractenglish | Background: Zirconium oxide is a polycrystalline, allotropic ceramic which depending on temperature may present crystalline structures widely used for aesthetic restorations. It lacks a vitreous matrix, therefore it is not susceptible to acidic degradation compromising its adhesion during cementation, so different protocols have been proposed such as sanded surface, primers for zirconium and adhesives, adhesives with specific molecules (10-MDP) and bioactive cements. However, there is not enough evidence supporting a standardized cementing protocol with reliable results. Objective: the objective of the present phase was to assess the adhesive resistance to ranslucent zirconium of seven cementing systems without previous surface conditioning. Methodology: Experimental, in-vitro study of 21 cylinders of 3 mm Æ x 1.0mm H cemented on machined translucent zirconium sheets [Cercon® ht] of 15mm- L X 10mm-W X 3 mm-H. Seven groups for seven different cementing protocols from PanaviaV5, Duo-link Universal™, Theracem® y Activa-BioACTIVE – with and without agent. The sheets were designed with Rhinoceros 3D, processed in EXOCAD, machined with Programill PM5 and synterised in a Programat CS4. Sheets were coded, randomly assigned to each group, produced and cemented three cylinders per sheet. These were stored in distilled water at ambient temperature for 24 hours and then the Tygon molds were removed. Each sheet was place on a universal testing machine (Instron 3366®), force at a speed of 0.5 mm / min. was applied with results reported in MPa. Data did not follow a normal distribution so it was analysed descriptely with medians [Me] and [RIQ], compared with Kruskal Wallis and Dunn. (p< 0.05) multiple comparisons. Results: There were significantly different results among them (p=0.0001). The highest resistance was from Duo-link Universal™ /All-bond Universal® [Me: 50.39MPa RIQ: 34.04-71.21], which was statistically different to the rest (p< 0.001), the cement with less resistance was Panavia V5 without primer [Me: 12.95 MPa -RIQ: 8.78 17.89] and significantly less than the rest (p<0.006) except ACTIVA BioACTIVE. This latter was observed least resistance [Me:18.99 MPa-RIQ:12.71-22.39] and well below the other groups (p<0,035). Conclusions: It may be suggested, within the limits of the study, that zirconium restoration cementations could have better results using resinous cements instead of bioactive, for the use with 10-MDP has been better but its incorporation to the cement could not be relevant. | |
dc.description.degreelevel | Especialización | spa |
dc.description.degreename | Especialista en prostodoncia | spa |
dc.description.sponsorship | Laboratorio de Biomateriales de UniCIEO | |
dc.description.sponsorship | Grupo de Investigación UNIECLO – Unidad de Epidemiologia Clínica Oral | |
dc.format.mimetype | application/pdf | |
dc.identifier.instname | instname:Universidad El Bosque | spa |
dc.identifier.reponame | reponame:Repositorio Institucional Universidad El Bosque | spa |
dc.identifier.repourl | repourl:https://repositorio.unbosque.edu.co | |
dc.identifier.uri | https://hdl.handle.net/20.500.12495/12874 | |
dc.language.iso | es | |
dc.publisher.faculty | Facultad de Odontología | spa |
dc.publisher.grantor | Universidad El Bosque | spa |
dc.publisher.program | Especialización en prostodoncia | spa |
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dc.rights | Atribución-NoComercial-CompartirIgual 4.0 Internacional | en |
dc.rights.accessrights | info:eu-repo/semantics/openAccess | |
dc.rights.accessrights | http://purl.org/coar/access_right/c_abf2 | |
dc.rights.local | Acceso abierto | spa |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-sa/4.0/ | |
dc.subject | Zirconio | |
dc.subject | Resistencia adhesiva | |
dc.subject | 10-MDP | |
dc.subject | Cementos bioactivos | |
dc.subject | Agentes de unión | |
dc.subject.keywords | Zirconium | |
dc.subject.keywords | Adhesive resistance | |
dc.subject.keywords | 10-MDP | |
dc.subject.keywords | Bioactive cements | |
dc.subject.keywords | Bonding agents | |
dc.subject.nlm | WU 500 | |
dc.title | Fuerza adhesiva entre el zirconio y cementos-adhesivos bioactivos y/o con MDP - con y sin previo acondicionamiento dela superficie con arenado. Fase 1 | |
dc.title.translated | Adhesive strength between zirconium and bioactive adhesive cements and MDP – with and without previous sanding surface. Phase 1 | |
dc.type.coar | https://purl.org/coar/resource_type/c_7a1f | |
dc.type.coarversion | https://purl.org/coar/version/c_970fb48d4fbd8a85 | |
dc.type.driver | info:eu-repo/semantics/bachelorThesis | |
dc.type.hasversion | info:eu-repo/semantics/acceptedVersion | |
dc.type.local | Tesis/Trabajo de grado - Monografía - Especialización | spa |
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