Titanium Diffusion in Shinbone of Rats with Osseointegrated Implants
Fil: Grenón, Miriam Silvina . Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra de Periodoncia A; Argentina.
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2023
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| Acceso en línea: | http://hdl.handle.net/11086/548240 |
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I10-R141-11086-5482402024-07-02T18:28:12Z Titanium Diffusion in Shinbone of Rats with Osseointegrated Implants Grenón, Miriam Silvina Robledo, José Ibáñez, Juan Carlos Sánchez, Héctor Jorge Titanio Implantes dentales Fil: Grenón, Miriam Silvina . Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra de Periodoncia A; Argentina. Fil: Robledo, José. Universidad Nacional de Córdoba. Facultad de Matemática, Astronomía y Física; Argentina. Fil: Robledo, José. Consejo Nacional de Investigaciones y Técnicas. Instituto de Física Enrique Gaviola; Argentina. Fil: Ibáñez, Juan Carlos. Universidad Católica de Córdoba. Facultad de Ciencias de la Salud. Cátedra de Periodontología; Argentina. Fil: Sánchez, Héctor Jorge. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales; Argentina. Fil: Sánchez, Héctor Jorge. Consejo Nacional de Investigaciones y Técnicas. Instituto de Física Enrique Gaviola; Argentina. Dental implants are composed of commercially pure Ti (which is actually an alloy of titanium, and minor or trace components such as aluminum and vanadium). When the implant is inserted, its surface undergoes a number of chemical and mechanical processes, releasing particles of titanium to the medium. The metabolism of free ions of titanium is uncertain; the up-taking processes in the body are not well known, nor their toxic dose. In addition, physical properties of newly formed bone, such as diffusivity and activation energy, are scarce and rarely studied. In this study, we analyzed the diffusion of titanium in the titanium-implanted shinbones of six adult male Wistar rats by spatially resolved micro x-ray Fluorescence. The measurements were carried out at the micro-fluorescence station of the X-Ray Fluorescence (XRF) beamline of the Brazilian synchrotron facility LNLS (from Portuguese ?Laboratorio Nacional de Luz Sincrotron?). For each sample, XRF spectra were taken by linear scanning in area near the new bone formed around the Ti implant. The scanning line show a clear effect of titanium diffusion while calcium intensity presents a different behavior. Moreover, a clear correlation among the different structures of bones is observed in the Ti and Ca intensities. Diffusion coefficients for titanium diffusion in the shinbones were successfully obtained by studying the intensity ratio Ti / Ca in spectra measured. A similar diffusion is observed in rats having the implant for a month than in rats having the implant for three months. As expected, the diffusion coefficient is larger for the group of rats that had the implant for a shorter time. The results obtained in these measurements may allow determining quantitatively the parameters of diffusion rates and other physical properties of new bone. Fil: Grenón, Miriam Silvina . Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra de Periodoncia A; Argentina. Fil: Robledo, José. Universidad Nacional de Córdoba. Facultad de Matemática, Astronomía y Física; Argentina. Fil: Robledo, José. Consejo Nacional de Investigaciones y Técnicas. Instituto de Física Enrique Gaviola; Argentina. Fil: Ibáñez, Juan Carlos. Universidad Católica de Córdoba. Facultad de Ciencias de la Salud. Cátedra de Periodontología; Argentina. Fil: Sánchez, Héctor Jorge. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales; Argentina. Fil: Sánchez, Héctor Jorge. Consejo Nacional de Investigaciones y Técnicas. Instituto de Física Enrique Gaviola; Argentina. Odontología, Medicina y Cirugía Oral 2023-07-25T16:05:26Z 2023-07-25T16:05:26Z 2016 conferenceObject http://hdl.handle.net/11086/548240 eng Attribution-NonCommercial-ShareAlike 4.0 International http://creativecommons.org/licenses/by-nc-sa/4.0/ Impreso |
| institution |
Universidad Nacional de Córdoba |
| institution_str |
I-10 |
| repository_str |
R-141 |
| collection |
Repositorio Digital Universitario (UNC) |
| language |
Inglés |
| topic |
Titanio Implantes dentales |
| spellingShingle |
Titanio Implantes dentales Grenón, Miriam Silvina Robledo, José Ibáñez, Juan Carlos Sánchez, Héctor Jorge Titanium Diffusion in Shinbone of Rats with Osseointegrated Implants |
| topic_facet |
Titanio Implantes dentales |
| description |
Fil: Grenón, Miriam Silvina . Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra de Periodoncia A; Argentina. |
| format |
conferenceObject |
| author |
Grenón, Miriam Silvina Robledo, José Ibáñez, Juan Carlos Sánchez, Héctor Jorge |
| author_facet |
Grenón, Miriam Silvina Robledo, José Ibáñez, Juan Carlos Sánchez, Héctor Jorge |
| author_sort |
Grenón, Miriam Silvina |
| title |
Titanium Diffusion in Shinbone of Rats with Osseointegrated Implants |
| title_short |
Titanium Diffusion in Shinbone of Rats with Osseointegrated Implants |
| title_full |
Titanium Diffusion in Shinbone of Rats with Osseointegrated Implants |
| title_fullStr |
Titanium Diffusion in Shinbone of Rats with Osseointegrated Implants |
| title_full_unstemmed |
Titanium Diffusion in Shinbone of Rats with Osseointegrated Implants |
| title_sort |
titanium diffusion in shinbone of rats with osseointegrated implants |
| publishDate |
2023 |
| url |
http://hdl.handle.net/11086/548240 |
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