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DIGITAL RADIOGRAPHIC EVALUATION OF OPTICAL DENSITY OF PORCELAINS USED FOR FABRICATION OF INLAY/ONLAY PROSTHESIS
The purpose of this article was to compare the mean value of optical density of four porcelains commonly used for fabrication of inlay/onlay prostheses using direct digital radiograph. The sample consisted of 20 2-mm thick porcelain specimens (measured by digital pachymeter): Empress (Ivoclair), Sim...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Faculdade de Odontologia de Bauru da Universidade de São Paulo
2006
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4327165/ https://www.ncbi.nlm.nih.gov/pubmed/19089024 http://dx.doi.org/10.1590/S1678-77572006000100004 |
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author | CASTILHO, Julio Cezar de Melo TAKESHITA, Wilton Mitsunari dos SANTOS, Luis Roque de Araújo de MORAES, Luiz Cesar MEDICI, Edmundo de MORAES, Mari Eli Leonelli |
author_facet | CASTILHO, Julio Cezar de Melo TAKESHITA, Wilton Mitsunari dos SANTOS, Luis Roque de Araújo de MORAES, Luiz Cesar MEDICI, Edmundo de MORAES, Mari Eli Leonelli |
author_sort | CASTILHO, Julio Cezar de Melo |
collection | PubMed |
description | The purpose of this article was to compare the mean value of optical density of four porcelains commonly used for fabrication of inlay/onlay prostheses using direct digital radiograph. The sample consisted of 20 2-mm thick porcelain specimens (measured by digital pachymeter): Empress (Ivoclair), Simbios (Degussa), Vita Omega 900 and Vitadur Alpha (Vita Zahnfabrik). The values of optical density of the specimens were expressed in millimeters aluminum equivalent (mm eq Al). The samples were X-rayed using two charge coupled devices (CCD) - RVG (Trophy) - Visualix (Gendex) and a phosphor plate system – Digora (Soredex). The optical density reading was performed with Image Tool 1.28 in a total of 110 measurements. Statistical analysis showed that there were statistically significant differences in all materials studied (p < 0.05) regardless of the radiographic system used. The highest optical density value was found for Omega 900 (1.8988 mmeqAl – Visualix – Gendex) and the lowest for Vitadur Alpha (0.8647 – Visualix – Gendex). Thus, the material presenting the highest degree of optical density was Omega 900, Empress and Simbios presented intermediate optical density values, Vitadur Alpha presented the lowest value, and the optical density of porcelains was not influenced by the digital radiography systems. |
format | Online Article Text |
id | pubmed-4327165 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2006 |
publisher | Faculdade de Odontologia de Bauru da Universidade de São Paulo |
record_format | MEDLINE/PubMed |
spelling | pubmed-43271652015-04-24 DIGITAL RADIOGRAPHIC EVALUATION OF OPTICAL DENSITY OF PORCELAINS USED FOR FABRICATION OF INLAY/ONLAY PROSTHESIS CASTILHO, Julio Cezar de Melo TAKESHITA, Wilton Mitsunari dos SANTOS, Luis Roque de Araújo de MORAES, Luiz Cesar MEDICI, Edmundo de MORAES, Mari Eli Leonelli J Appl Oral Sci Original Article The purpose of this article was to compare the mean value of optical density of four porcelains commonly used for fabrication of inlay/onlay prostheses using direct digital radiograph. The sample consisted of 20 2-mm thick porcelain specimens (measured by digital pachymeter): Empress (Ivoclair), Simbios (Degussa), Vita Omega 900 and Vitadur Alpha (Vita Zahnfabrik). The values of optical density of the specimens were expressed in millimeters aluminum equivalent (mm eq Al). The samples were X-rayed using two charge coupled devices (CCD) - RVG (Trophy) - Visualix (Gendex) and a phosphor plate system – Digora (Soredex). The optical density reading was performed with Image Tool 1.28 in a total of 110 measurements. Statistical analysis showed that there were statistically significant differences in all materials studied (p < 0.05) regardless of the radiographic system used. The highest optical density value was found for Omega 900 (1.8988 mmeqAl – Visualix – Gendex) and the lowest for Vitadur Alpha (0.8647 – Visualix – Gendex). Thus, the material presenting the highest degree of optical density was Omega 900, Empress and Simbios presented intermediate optical density values, Vitadur Alpha presented the lowest value, and the optical density of porcelains was not influenced by the digital radiography systems. Faculdade de Odontologia de Bauru da Universidade de São Paulo 2006-02 /pmc/articles/PMC4327165/ /pubmed/19089024 http://dx.doi.org/10.1590/S1678-77572006000100004 Text en http://creativecommons.org/licenses/by-nc/3.0/ This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Original Article CASTILHO, Julio Cezar de Melo TAKESHITA, Wilton Mitsunari dos SANTOS, Luis Roque de Araújo de MORAES, Luiz Cesar MEDICI, Edmundo de MORAES, Mari Eli Leonelli DIGITAL RADIOGRAPHIC EVALUATION OF OPTICAL DENSITY OF PORCELAINS USED FOR FABRICATION OF INLAY/ONLAY PROSTHESIS |
title | DIGITAL RADIOGRAPHIC EVALUATION OF OPTICAL DENSITY OF PORCELAINS USED FOR FABRICATION OF INLAY/ONLAY PROSTHESIS |
title_full | DIGITAL RADIOGRAPHIC EVALUATION OF OPTICAL DENSITY OF PORCELAINS USED FOR FABRICATION OF INLAY/ONLAY PROSTHESIS |
title_fullStr | DIGITAL RADIOGRAPHIC EVALUATION OF OPTICAL DENSITY OF PORCELAINS USED FOR FABRICATION OF INLAY/ONLAY PROSTHESIS |
title_full_unstemmed | DIGITAL RADIOGRAPHIC EVALUATION OF OPTICAL DENSITY OF PORCELAINS USED FOR FABRICATION OF INLAY/ONLAY PROSTHESIS |
title_short | DIGITAL RADIOGRAPHIC EVALUATION OF OPTICAL DENSITY OF PORCELAINS USED FOR FABRICATION OF INLAY/ONLAY PROSTHESIS |
title_sort | digital radiographic evaluation of optical density of porcelains used for fabrication of inlay/onlay prosthesis |
topic | Original Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4327165/ https://www.ncbi.nlm.nih.gov/pubmed/19089024 http://dx.doi.org/10.1590/S1678-77572006000100004 |
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