Abstract
Purpose: The purpose of this study was to investigate the possible radioactive potential of zirconium dioxide (ZrO2) dental ceramics. Such information is necessary since they became an integral part of routine prosthetic rehabilitations and devoid of scientific information about their radioactivity creates some concern in the dental community. Methods: Four different types of commercial ZrO2 ceramics, namely Lava, Cercon, ICE Zirkon, and Everest Bio ZS were investigated before and after the sintering process. Sintering temperatures were applied according to each manufacturer’s instructions. The compositions of the presintered and sintered specimens were analyzed using x-Ray Fluorescence Spectrometer (XRF). Concentrations of the elements and compounds were also measured by this method. Determination of radioactivity continued with Gamma-spectrometry measurements and Gross alpha/Beta analyses. Results: The activity of gamma and Gross alpha/beta was below minimum detection limits (MDL) for presintered and sintered ZrO2. The MDLs of gross alpha/beta counting system were 0.02 Bq/g and 0.01 Bq/g for alpha and beta radioactivity, respectively. The sintering process played only a minor role in the composition of the compounds. Conclusions: Radioactivity of the ZrO2 ceramics studied showed negligible radionuclide activity that can be considered lower than many hazardous radioactive appliances in our environment.
J Appl Biomater Funct Mater 2014; 12(1): 35 - 40
Article Type: ORIGINAL RESEARCH ARTICLE
DOI:10.5301/JABFM.2012.9341
Authors
Andac Barkin Bavbek, Mutlu Özcan, Gürcan Eskitascioglu
Article History
- • Accepted on 02/05/2012
- • Available online on 31/07/2012
- • Published online on 12/06/2014
This article is available as full text PDF.
Authors
- Bavbek, Andac Barkin
[PubMed]
[Google Scholar]
Department of Prosthodontics, Faculty of Dentistry, Yüzüncü Yil University, Van - Turkey
- Özcan, Mutlu
[PubMed]
[Google Scholar]
Dental Materials Unit, Center for Dental and Oral Medicine, Clinic for Fixed and Removable Prosthodontics and Dental Materials Science, University of Zürich, Zürich - Switzerland
- Eskitascioglu, Gürcan
[PubMed]
[Google Scholar]
Department of Prosthodontics, Faculty of Dentistry, Yüzüncü Yil University, Van - Turkey
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