Soft Lithography and Minimally Human Invasive Technique for Rapid Screening of Oral Biofilm Formation on New Microfabricated Dental Material Surfaces

Introduction. Microfabrication offers opportunities to study surface concepts focused to reduce bacterial adhesion on implants using human minimally invasive rapid screening (hMIRS). Wide information is available about cell/biomaterial interactions using eukaryotic and prokaryotic cells on surfaces...

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Main Authors: Marta Alvarez-Escobar, Sidónio C. Freitas, Derek Hansford, Fernando J. Monteiro, Alejandro Pelaez-Vargas
Format: Article
Language:English
Published: Wiley 2018-01-01
Series:International Journal of Dentistry
Online Access:http://dx.doi.org/10.1155/2018/4219625
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author Marta Alvarez-Escobar
Sidónio C. Freitas
Derek Hansford
Fernando J. Monteiro
Alejandro Pelaez-Vargas
author_facet Marta Alvarez-Escobar
Sidónio C. Freitas
Derek Hansford
Fernando J. Monteiro
Alejandro Pelaez-Vargas
author_sort Marta Alvarez-Escobar
collection DOAJ
description Introduction. Microfabrication offers opportunities to study surface concepts focused to reduce bacterial adhesion on implants using human minimally invasive rapid screening (hMIRS). Wide information is available about cell/biomaterial interactions using eukaryotic and prokaryotic cells on surfaces of dental materials with different topographies, but studies using human being are still limited. Objective. To evaluate a synergy of microfabrication and hMIRS to study the bacterial adhesion on micropatterned surfaces for dental materials. Materials and Methods. Micropatterned and flat surfaces on biomedical PDMS disks were produced by soft lithography. The hMIRS approach was used to evaluate the total oral bacterial adhesion on PDMS surfaces placed in the oral cavity of five volunteers (the study was approved by the University Ethical Committee). After 24 h, the disks were analyzed using MTT assay and light microscopy. Results. In the present pilot study, microwell structures were microfabricated on the PDMS surface via soft lithography with a spacing of 5 µm. Overall, bacterial adhesion did not significantly differ between the flat and micropatterned surfaces. However, individual analysis of two subjects showed greater bacterial adhesion on the micropatterned surfaces than on the flat surfaces. Significance. Microfabrication and hMIRS might be implemented to study the cell/biomaterial interactions for dental materials.
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series International Journal of Dentistry
spelling doaj-art-ab79f5fce3ab4683a7ff4bab95d77d9c2025-02-03T05:54:21ZengWileyInternational Journal of Dentistry1687-87281687-87362018-01-01201810.1155/2018/42196254219625Soft Lithography and Minimally Human Invasive Technique for Rapid Screening of Oral Biofilm Formation on New Microfabricated Dental Material SurfacesMarta Alvarez-Escobar0Sidónio C. Freitas1Derek Hansford2Fernando J. Monteiro3Alejandro Pelaez-Vargas4Faculty of Dentistry, Universidad Cooperativa de Colombia, Medellín, ColombiaFaculty of Dentistry, Universidad Cooperativa de Colombia, Medellín, ColombiaDepartment of Biomedical Engineering, The Ohio State University, Columbus, OH 43210, USAInstituto de Investigação e Inovação em Saúde (i3S), Instituto de Engenharia Biomédica (INEB) and DMME, Faculdade de Engenharia, Universidade do Porto (FEUP), Porto, PortugalFaculty of Dentistry, Universidad Cooperativa de Colombia, Medellín, ColombiaIntroduction. Microfabrication offers opportunities to study surface concepts focused to reduce bacterial adhesion on implants using human minimally invasive rapid screening (hMIRS). Wide information is available about cell/biomaterial interactions using eukaryotic and prokaryotic cells on surfaces of dental materials with different topographies, but studies using human being are still limited. Objective. To evaluate a synergy of microfabrication and hMIRS to study the bacterial adhesion on micropatterned surfaces for dental materials. Materials and Methods. Micropatterned and flat surfaces on biomedical PDMS disks were produced by soft lithography. The hMIRS approach was used to evaluate the total oral bacterial adhesion on PDMS surfaces placed in the oral cavity of five volunteers (the study was approved by the University Ethical Committee). After 24 h, the disks were analyzed using MTT assay and light microscopy. Results. In the present pilot study, microwell structures were microfabricated on the PDMS surface via soft lithography with a spacing of 5 µm. Overall, bacterial adhesion did not significantly differ between the flat and micropatterned surfaces. However, individual analysis of two subjects showed greater bacterial adhesion on the micropatterned surfaces than on the flat surfaces. Significance. Microfabrication and hMIRS might be implemented to study the cell/biomaterial interactions for dental materials.http://dx.doi.org/10.1155/2018/4219625
spellingShingle Marta Alvarez-Escobar
Sidónio C. Freitas
Derek Hansford
Fernando J. Monteiro
Alejandro Pelaez-Vargas
Soft Lithography and Minimally Human Invasive Technique for Rapid Screening of Oral Biofilm Formation on New Microfabricated Dental Material Surfaces
International Journal of Dentistry
title Soft Lithography and Minimally Human Invasive Technique for Rapid Screening of Oral Biofilm Formation on New Microfabricated Dental Material Surfaces
title_full Soft Lithography and Minimally Human Invasive Technique for Rapid Screening of Oral Biofilm Formation on New Microfabricated Dental Material Surfaces
title_fullStr Soft Lithography and Minimally Human Invasive Technique for Rapid Screening of Oral Biofilm Formation on New Microfabricated Dental Material Surfaces
title_full_unstemmed Soft Lithography and Minimally Human Invasive Technique for Rapid Screening of Oral Biofilm Formation on New Microfabricated Dental Material Surfaces
title_short Soft Lithography and Minimally Human Invasive Technique for Rapid Screening of Oral Biofilm Formation on New Microfabricated Dental Material Surfaces
title_sort soft lithography and minimally human invasive technique for rapid screening of oral biofilm formation on new microfabricated dental material surfaces
url http://dx.doi.org/10.1155/2018/4219625
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