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Development of customized mandible prosthesis produced by additive manufacturing and functionalized for local drug delivery

Grant number: 20/05612-8
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): November 01, 2020
Field of knowledge:Engineering - Biomedical Engineering - Bioengineering
Principal researcher:Rubens Maciel Filho
Grantee:Guilherme Arthur Longhitano
Home Institution: Faculdade de Engenharia Química (FEQ). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated research grant:15/20630-4 - Biorefinery development integrated to a bioethanol sugar cane plant with zero CO2 emission: routes to convert renewable resources to bio-products and bio-electricity, AP.TEM
Associated scholarship(s):21/06516-5 - Surface functionalization and characterization of porous Ti-6Al-4V alloy made by additive manufacturing for mandible prosthesis, BE.EP.PD


The additive manufacturing technique, when based on medical imaging techniques, can produce physical biomodels and customized implants. The technique can also produce complex structures, such as cellular structures, using metallic biomaterials, such as a Ti-6Al-4V alloy, as raw material. Therefore, better conformity of bone and implant stiffness is achieved, bypassing the bone resorption (stress shielding) process and promoting faster and longer lasting adaptation. The Ti-6Al-4V alloy may also have its surface modified by the anodizing technique. As a result, functionalizations by improving corrosion resistance, incorporation of beneficial ions and drug incorporation for in situ delivery become possible. The combination of these techniques results in reduced surgery risks, faster patient recovery, longer implant durability, better aesthetic and ergonomic results and, above all, improvement in patient's quality of life.This project aims to produce a Ti-6Al-4V mandible implant with functionalized cellular structure. Thus, Ti-6Al-4V samples with cellular structures will be produced by metals additive manufacturing technique. These samples will be functionalized by electrochemical anodization technique, growing nanostructured oxide surfaces doped with fluorine ions. A second functionalization will also be performed by doping these nanostructures with drugs for in situ delivering. Finally, a mandible implant will be designed, produced and functionalized.This project is linked to National Institute of Science and Technology of Biofabrication presented under the INCT - MCTI/CNPq/CAPES/FAPs nº 16/2014 call, to FAPESP research project 2015/20630-4 and to FAPESP-FAPERGS 2019/15441-9. Furthermore, this project is in collaboration with Information Technology Center Renato Archer. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
LONGHITANO, GUILHERME ARTHUR; CONDE, ANA; ARENAS, MARIA ANGELES; JARDINI, ANDRE LUIZ; DE CARVALHO ZAVAGLIA, CECILIA AMELIA; MACIEL FILHO, RUBENS; JOSE DE DAMBORENEA, JUAN. Corrosion resistance improvement of additive manufactured scaffolds by anodizing. Electrochimica Acta, v. 366, JAN 10 2021. Web of Science Citations: 0.

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