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Tytuł pozycji:

Use of tungsten sheet as an alternative for reducing the radiation dose behind the digital imaging plate during intra-oral radiography.

Tytuł :
Use of tungsten sheet as an alternative for reducing the radiation dose behind the digital imaging plate during intra-oral radiography.
Autorzy :
Nagasaka T; 1 Department of Oral and Maxillofacial Radiology, Aichi-Gakuin University School of Dentistry , Nagoya , Japan.
Izumi M; 2 Department of Dentmaxillofacial Diagnosis and Treatment , Kanagawa Dental University , Yokosuka , Japan.
Gotoh K; 3 Division of Radiological Technology, Dental Hospital, Aichi-Gakuin University , Nagoya , Japan.
Kuwada T; 3 Division of Radiological Technology, Dental Hospital, Aichi-Gakuin University , Nagoya , Japan.
Kise Y; 1 Department of Oral and Maxillofacial Radiology, Aichi-Gakuin University School of Dentistry , Nagoya , Japan.
Katsumata A; 4 Department of Oral Radiology, Asahi University School of Dentistry , Hozumi , Japan.
Ariji E; 1 Department of Oral and Maxillofacial Radiology, Aichi-Gakuin University School of Dentistry , Nagoya , Japan.
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Źródło :
Dento maxillo facial radiology [Dentomaxillofac Radiol] 2018 Jul 20, pp. 20180161. Date of Electronic Publication: 2018 Jul 20.
Publication Model :
Ahead of Print
Typ publikacji :
Journal Article
Język :
English
Imprint Name(s) :
Publication: 2003- : London : British Institute of Radiology
Original Publication: Erlangen, Germany : University Press Erlangen
References :
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Dentomaxillofac Radiol. 1992 Feb;21(1):21-5. (PMID: 1397446)
Dentomaxillofac Radiol. 2004 Jan;33(1):1-5. (PMID: 15140814)
J Can Dent Assoc. 2005 Jan;71(1):35-8. (PMID: 15649339)
Health Phys. 1992 Jun;62(6):546-52. (PMID: 1628986)
Med Phys. 2009 Dec;36(12):5586-94. (PMID: 20095271)
Dentomaxillofac Radiol. 2015;44(8):20150065. (PMID: 26084474)
J Appl Clin Med Phys. 2017 May;18(3):215-220. (PMID: 28422397)
Oral Surg Oral Med Oral Pathol. 1986 Jul;62(1):107-9. (PMID: 3460001)
Br Dent J. 1972 Oct 3;133(7):300-4. (PMID: 4509449)
Br Dent J. 1972 Oct 17;133(8):343-6. (PMID: 4510027)
Dentomaxillofac Radiol. 1993 Nov;22(4):179-82. (PMID: 8181643)
Entry Date(s) :
Date Created: 20180721 Latest Revision: 20200225
Update Code :
20210210
PubMed Central ID :
PMC6398911
DOI :
10.1259/dmfr.20180161
PMID :
30028195
Czasopismo naukowe
Objectives: To verify the use of tungsten sheet as an alternative to lead foil for reducing the radiation dose behind storage phosphor plates (SPPs).
Methods: At six sites (incisor, canine, and molar sites in both the maxilla and mandible) in a head phantom, radiation doses were initially measured behind conventional film packets containing two films and a lead foil. At the same sites, radiation doses were also measured behind packets containing only SPPs. Thereafter, the same dose measurements were performed with shielding materials (lead foil or tungsten sheet) within the packets. These doses were defined as behind doses.
Results: There were no differences in the mean behind doses between the conventional film packets and the SPP packets without shielding materials for any of the six sites examined. The behind doses were reduced by both lead foil and tungsten sheet, with significant differences in all sites when compared with no shielding. Lead foil reduced the behind dose of the SPP packet to 37.6% on average, while tungsten sheet reduced the behind dose to less than 20% in all of the sites examined, with an average of 14.7%.
Conclusions: Tungsten sheet appeared to be effective as an alternative shielding material, sufficiently reducing the doses behind the SPP packets to less than 20% when compared with sheetless packets in all of the six sites examined.

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