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dc.rights.licenseAtribución-NoComercial 4.0 Internacional
dc.contributor.advisorCortés Rodríguez, Carlos Julio
dc.contributor.advisorSarmiento Delgado, Martha Lucía
dc.contributor.advisorSarmiento
dc.contributor.authorRoberto Vargas, Eliana Marcela
dc.date.accessioned2024-07-02T17:41:28Z
dc.date.available2024-07-02T17:41:28Z
dc.date.issued2023
dc.identifier.urihttps://repositorio.unal.edu.co/handle/unal/86342
dc.descriptionilustraciones (principalmente a color), diagramas, fotografías
dc.description.abstractGrandes empresas internacionales como MIS se dedican al diseño y manufactura de componentes protésicos con procesos estandarizados y controles de calidad. En Colombia existen centros de torneado que fabrican tornillos de fijación que aseguran ajustarse adecuadamente a los implantes originales, sin embargo, no existen evaluaciones ni estándares para ser certificados como contratipos. El objetivo de este estudio es evaluar la calidad de ajuste de tornillos de fijación obtenidos por CAD/CAM de dos centros de torneado nacionales sobre implantes dentales y análogo originales. Para esto se hace la caracterización de 5 parámetros macrogeométricos y 12 parámetros de rugosidad con Alicona InfiniteFocus G5 para 9 tornillos de fijación, 2 implantes y un análogo, análisis de tolerancias dimensionales bajo ISO 965-1. El análisis estadístico bajo prueba T para dos muestras asumiendo varianzas desiguales (α=0.05); y finalmente un ensamble tornillo-implante para percibir el ajuste y generar la propuesta de características de manufactura para los centros de torneado CNC. El análisis de tolerancia y la prueba T indican que tornillos CT2 presentan menor compatibilidad con los tornillos MIS, excediendo el ángulo y longitud roscada de los implantes y análogo. Se observan diferencias significativas de parámetros de rugosidad de amplitud, geometría y funcionalidad de ambos CT2 y CT1 frente a originales, considerándose no aptos para usarse como contratipos. Para implantes y análogo se aceptan las características macrogeométricas gracias al fenómeno de deformación elástica, el análisis de rugosidad indica que el implante 2 presenta la superficie menos uniforme siendo considerado el más susceptible a retener fluidos. Ensamble inicial sin indicios de micromovimientos o desajustes (Texto tomado de la fuente).
dc.description.abstractLarge international companies such as MIS are dedicated to the design and manufacture of prosthetic components with standardized processes and quality controls. In Colombia there are turning centers that manufacture fixation screws that ensure adequate adjustment to the original implants; however, there are no evaluations or standards to be certified as countertypes. The objective of this study is to evaluate the adjustment quality of fixation screws obtained by CAD/CAM from two national turning centers on original dental implants and analogues. For this purpose, the characterization of 5 macrogeometric parameters and 12 roughness parameters with Alicona InfiniteFocus G5 for 9 fixation screws, 2 implants and an analog, analysis of dimensional tolerances under ISO 965-1. Statistical analysis under T-test for two samples assuming unequal variances (α=0.05); and finally a screw-implant assembly to perceive the fit and generate the proposed manufacturing characteristics for the CNC turning centers. Tolerance analysis and T-test indicate that CT2 screws present lower compatibility with MIS screws, exceeding the angle and threaded length of implants and analog. Significant differences of amplitude roughness parameters, geometry and functionality of both CT2 and CT1 against originals are observed, considering them not suitable to be used as countertypes. For implants and analogues the macrogeometric characteristics are accepted thanks to the elastic deformation phenomenon, the roughness analysis indicates that implant 2 presents the less uniform surface being considered the most susceptible to retain fluids. Initial assembly without signs of micromovement or misalignment (Texto tomado de la fuente).
dc.format.extentxvi, 20-123 páginas
dc.format.mimetypeapplication/pdf
dc.language.isospa
dc.publisherUniversidad Nacional de Colombia
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subject.ddc620 - Ingeniería y operaciones afines::629 - Otras ramas de la ingeniería
dc.subject.ddc680 - Manufactura para usos específicos::681 - Instrumentos de precisión y otros dispositivos
dc.subject.ddc610 - Medicina y salud::617 - Cirugía, medicina regional, odontología, oftalmología, otología, audiología
dc.titleInfluencia de la rugosidad superficial y la macrogeometría sobre la calidad del ajuste entre tornillo de fijación e implante en prótesis implanto-soportadas
dc.typeTrabajo de grado - Maestría
dc.type.driverinfo:eu-repo/semantics/masterThesis
dc.type.versioninfo:eu-repo/semantics/publishedVersion
dc.publisher.programBogotá - Ingeniería - Maestría en Ingeniería - Materiales y Procesos
dc.contributor.researchgroupGrupo de Investigación en Biomecánica
dc.description.degreelevelMaestría
dc.description.degreenameMagíster en Ingeniería - Materiales y Procesos
dc.description.researchareaImplantes dentales
dc.identifier.instnameUniversidad Nacional de Colombia
dc.identifier.reponameRepositorio Institucional Universidad Nacional de Colombia
dc.identifier.repourlhttps://repositorio.unal.edu.co/
dc.publisher.facultyFacultad de Ingeniería
dc.publisher.placeBogotá, Colombia
dc.publisher.branchUniversidad Nacional de Colombia - Sede Bogotá
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dc.rights.accessrightsinfo:eu-repo/semantics/openAccess
dc.subject.lembPrótesis dental
dc.subject.lembProsthodontics
dc.subject.lembImplantes dentarios
dc.subject.lembImplant dentures
dc.subject.lembMateriales dentales
dc.subject.lembDental materials
dc.subject.lembCalidad de los productos
dc.subject.lembQuality of products
dc.subject.proposalRugosidad
dc.subject.proposalTolerancia dimensional
dc.subject.proposalTornillos de fijación
dc.subject.proposalImplantes dentales
dc.subject.proposalCalidad de ajuste
dc.subject.proposalMacrogeometría
dc.subject.proposalElongación
dc.subject.proposalRoughness
dc.subject.proposalDimensional tolerance
dc.subject.proposalRetaining screws
dc.subject.proposalImplants
dc.subject.proposalFit quality
dc.subject.proposalMacrogeometry
dc.subject.proposalElongation
dc.title.translatedInfluence of surface roughness and macrogeometry on the quality of the fit between retaining screw and implant in implant-supported prostheses
dc.type.coarhttp://purl.org/coar/resource_type/c_bdcc
dc.type.coarversionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.contentText
dc.type.redcolhttp://purl.org/redcol/resource_type/TM
oaire.accessrightshttp://purl.org/coar/access_right/c_abf2
dcterms.audience.professionaldevelopmentBibliotecarios
dcterms.audience.professionaldevelopmentEstudiantes
dcterms.audience.professionaldevelopmentInvestigadores
dcterms.audience.professionaldevelopmentMaestros
dcterms.audience.professionaldevelopmentProveedores de ayuda financiera para estudiantes
dcterms.audience.professionaldevelopmentPúblico general
dc.description.curricularareaIngeniería Mecánica y Mecatrónica.Sede Bogotá
dc.subject.umlsTornillo de fijación
dc.subject.umlsLocking screw


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Atribución-NoComercial 4.0 InternacionalEsta obra está bajo licencia internacional Creative Commons Reconocimiento-NoComercial 4.0.Este documento ha sido depositado por parte de el(los) autor(es) bajo la siguiente constancia de depósito