Effect of Zirconium Oxide and Zinc Oxide Nanoparticles on Physicochemical Properties and Antibiofilm Activity of a Calcium Silicate-Based Material
The aim of the present study was to evaluate the antibiofilm activity against Enterococcus faecalis, compressive strength. and radiopacity of Portland cement (PC) added to zirconium oxide (ZrO2), as radiopacifier, with or without nanoparticulated zinc oxide (ZnO). The following experimental material...
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| Format: | Article |
| Language: | English |
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Wiley
2014-01-01
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| Series: | The Scientific World Journal |
| Online Access: | http://dx.doi.org/10.1155/2014/975213 |
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| author | Juliane Maria Guerreiro-Tanomaru Adinael Trindade-Junior Bernardo Cesar Costa Guilherme Ferreira da Silva Leonardo Drullis Cifali Maria Inês Basso Bernardi Mario Tanomaru-Filho |
| author_facet | Juliane Maria Guerreiro-Tanomaru Adinael Trindade-Junior Bernardo Cesar Costa Guilherme Ferreira da Silva Leonardo Drullis Cifali Maria Inês Basso Bernardi Mario Tanomaru-Filho |
| author_sort | Juliane Maria Guerreiro-Tanomaru |
| collection | DOAJ |
| description | The aim of the present study was to evaluate the antibiofilm activity against Enterococcus faecalis, compressive strength. and radiopacity of Portland cement (PC) added to zirconium oxide (ZrO2), as radiopacifier, with or without nanoparticulated zinc oxide (ZnO). The following experimental materials were evaluated: PC, PC + ZrO2, PC + ZrO2 + ZnO (5%), and PC + ZrO2 + ZnO (10%). Antibiofilm activity was analyzed by using direct contact test (DCT) on Enterococcus faecalis biofilm, for 5 h or 15 h. The analysis was conducted by using the number of colony-forming units (CFU/mL). The compressive strength was performed in a mechanical testing machine. For the radiopacity tests, the specimens were radiographed together with an aluminium stepwedge. The results were submitted to ANOVA and Tukey tests, with level of significance at 5%. The results showed that all materials presented similar antibiofilm activity (P>0.05). The addition of nanoparticulated ZnO decreased the compressive strength of PC. All materials presented higher radiopacity than pure PC. It can be concluded that the addition of ZrO2 and ZnO does not interfere with the antibiofilm activity and provides radiopacity to Portland cement. However, the presence of ZnO (5% or 10%) significantly decreased the compressive strength of the materials. |
| format | Article |
| id | doaj-art-ec00a2f1c71045ed8e63d22436b628a1 |
| institution | Kabale University |
| issn | 2356-6140 1537-744X |
| language | English |
| publishDate | 2014-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | The Scientific World Journal |
| spelling | doaj-art-ec00a2f1c71045ed8e63d22436b628a12025-02-03T01:01:10ZengWileyThe Scientific World Journal2356-61401537-744X2014-01-01201410.1155/2014/975213975213Effect of Zirconium Oxide and Zinc Oxide Nanoparticles on Physicochemical Properties and Antibiofilm Activity of a Calcium Silicate-Based MaterialJuliane Maria Guerreiro-Tanomaru0Adinael Trindade-Junior1Bernardo Cesar Costa2Guilherme Ferreira da Silva3Leonardo Drullis Cifali4Maria Inês Basso Bernardi5Mario Tanomaru-Filho6Department of Restorative Dentistry, Araraquara Dental School, São Paulo State University (UNESP), Rua Humaitá 1680, P.O. Box 331, 14.801-903 Araraquara, SP, BrazilDepartment of Restorative Dentistry, Araraquara Dental School, São Paulo State University (UNESP), Rua Humaitá 1680, P.O. Box 331, 14.801-903 Araraquara, SP, BrazilDepartment of Restorative Dentistry, Araraquara Dental School, São Paulo State University (UNESP), Rua Humaitá 1680, P.O. Box 331, 14.801-903 Araraquara, SP, BrazilDepartment of Restorative Dentistry, Araraquara Dental School, São Paulo State University (UNESP), Rua Humaitá 1680, P.O. Box 331, 14.801-903 Araraquara, SP, BrazilDepartment of Restorative Dentistry, Araraquara Dental School, São Paulo State University (UNESP), Rua Humaitá 1680, P.O. Box 331, 14.801-903 Araraquara, SP, BrazilInstitute of Physics, University of São Paulo (USP), Avenida Trabalhador São-Carlense 400, 13566-590 São Carlos, SP, BrazilDepartment of Restorative Dentistry, Araraquara Dental School, São Paulo State University (UNESP), Rua Humaitá 1680, P.O. Box 331, 14.801-903 Araraquara, SP, BrazilThe aim of the present study was to evaluate the antibiofilm activity against Enterococcus faecalis, compressive strength. and radiopacity of Portland cement (PC) added to zirconium oxide (ZrO2), as radiopacifier, with or without nanoparticulated zinc oxide (ZnO). The following experimental materials were evaluated: PC, PC + ZrO2, PC + ZrO2 + ZnO (5%), and PC + ZrO2 + ZnO (10%). Antibiofilm activity was analyzed by using direct contact test (DCT) on Enterococcus faecalis biofilm, for 5 h or 15 h. The analysis was conducted by using the number of colony-forming units (CFU/mL). The compressive strength was performed in a mechanical testing machine. For the radiopacity tests, the specimens were radiographed together with an aluminium stepwedge. The results were submitted to ANOVA and Tukey tests, with level of significance at 5%. The results showed that all materials presented similar antibiofilm activity (P>0.05). The addition of nanoparticulated ZnO decreased the compressive strength of PC. All materials presented higher radiopacity than pure PC. It can be concluded that the addition of ZrO2 and ZnO does not interfere with the antibiofilm activity and provides radiopacity to Portland cement. However, the presence of ZnO (5% or 10%) significantly decreased the compressive strength of the materials.http://dx.doi.org/10.1155/2014/975213 |
| spellingShingle | Juliane Maria Guerreiro-Tanomaru Adinael Trindade-Junior Bernardo Cesar Costa Guilherme Ferreira da Silva Leonardo Drullis Cifali Maria Inês Basso Bernardi Mario Tanomaru-Filho Effect of Zirconium Oxide and Zinc Oxide Nanoparticles on Physicochemical Properties and Antibiofilm Activity of a Calcium Silicate-Based Material The Scientific World Journal |
| title | Effect of Zirconium Oxide and Zinc Oxide Nanoparticles on Physicochemical Properties and Antibiofilm Activity of a Calcium Silicate-Based Material |
| title_full | Effect of Zirconium Oxide and Zinc Oxide Nanoparticles on Physicochemical Properties and Antibiofilm Activity of a Calcium Silicate-Based Material |
| title_fullStr | Effect of Zirconium Oxide and Zinc Oxide Nanoparticles on Physicochemical Properties and Antibiofilm Activity of a Calcium Silicate-Based Material |
| title_full_unstemmed | Effect of Zirconium Oxide and Zinc Oxide Nanoparticles on Physicochemical Properties and Antibiofilm Activity of a Calcium Silicate-Based Material |
| title_short | Effect of Zirconium Oxide and Zinc Oxide Nanoparticles on Physicochemical Properties and Antibiofilm Activity of a Calcium Silicate-Based Material |
| title_sort | effect of zirconium oxide and zinc oxide nanoparticles on physicochemical properties and antibiofilm activity of a calcium silicate based material |
| url | http://dx.doi.org/10.1155/2014/975213 |
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