Retrospective dosimetry using OSL of tooth enamel and dental repair materials irradiated under wet and dry conditions.
Geber, Therese LU ; Bernhardsson, Christian LU
; Mattsson, Sören
LU
and Rääf, Christopher
LU
(2012)
In Radiation and Environmental Biophysics
51(4).
p.443-449
- Abstract
- Following a radiological or nuclear emergency event, there is a need for quick and reliable dose estimations of potentially exposed people. In situations where dosimeters are not readily available, the dose estimations must be carried out using alternative methods. In the present study, the optically stimulated luminescence (OSL) properties of tooth enamel and different dental repair materials have been examined. Specimens of the materials were exposed to gamma and beta radiation in different types of liquid environments to mimic the actual irradiation situation in the mouth. Measurements were taken using a Risø TL/OSL reader, and irradiations were made using a (90)Sr/(90)Y source and a linear accelerator (6 MV photons). Results show that... (More)
- Following a radiological or nuclear emergency event, there is a need for quick and reliable dose estimations of potentially exposed people. In situations where dosimeters are not readily available, the dose estimations must be carried out using alternative methods. In the present study, the optically stimulated luminescence (OSL) properties of tooth enamel and different dental repair materials have been examined. Specimens of the materials were exposed to gamma and beta radiation in different types of liquid environments to mimic the actual irradiation situation in the mouth. Measurements were taken using a Risø TL/OSL reader, and irradiations were made using a (90)Sr/(90)Y source and a linear accelerator (6 MV photons). Results show that the OSL signal from tooth enamel decreases substantially when the enamel is kept in a wet environment. Thus, tooth enamel is not reliable for retrospective dose assessment without further studies of the phenomenon. Dental repair materials, on the other hand, do not exhibit the same effect when exposed to liquids. In addition, dose-response and fading measurements of the dental repair materials show promising results, making these materials highly interesting for retrospective dosimetry. The minimum detectable dose for the dental repair materials has been estimated to be 20-185 mGy. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/3123998
- author
- Geber, Therese
LU
; Bernhardsson, Christian
LU
; Mattsson, Sören
LU
and Rääf, Christopher
LU
- organization
- publishing date
- 2012
- type
- Contribution to journal
- publication status
- published
- subject
- in
- Radiation and Environmental Biophysics
- volume
- 51
- issue
- 4
- pages
- 443 - 449
- publisher
- Springer
- external identifiers
-
- wos:000310227800008
- pmid:22972601
- scopus:84867883624
- pmid:22972601
- ISSN
- 1432-2099
- DOI
- 10.1007/s00411-012-0434-9
- language
- English
- LU publication?
- yes
- id
- 275ffe7a-39da-4369-88a1-4d00ee6dff8d (old id 3123998)
- alternative location
- http://www.ncbi.nlm.nih.gov/pubmed/22972601?dopt=Abstract
- date added to LUP
- 2016-04-04 09:40:45
- date last changed
- 2022-02-13 18:31:00
@article{275ffe7a-39da-4369-88a1-4d00ee6dff8d,
abstract = {{Following a radiological or nuclear emergency event, there is a need for quick and reliable dose estimations of potentially exposed people. In situations where dosimeters are not readily available, the dose estimations must be carried out using alternative methods. In the present study, the optically stimulated luminescence (OSL) properties of tooth enamel and different dental repair materials have been examined. Specimens of the materials were exposed to gamma and beta radiation in different types of liquid environments to mimic the actual irradiation situation in the mouth. Measurements were taken using a Risø TL/OSL reader, and irradiations were made using a (90)Sr/(90)Y source and a linear accelerator (6 MV photons). Results show that the OSL signal from tooth enamel decreases substantially when the enamel is kept in a wet environment. Thus, tooth enamel is not reliable for retrospective dose assessment without further studies of the phenomenon. Dental repair materials, on the other hand, do not exhibit the same effect when exposed to liquids. In addition, dose-response and fading measurements of the dental repair materials show promising results, making these materials highly interesting for retrospective dosimetry. The minimum detectable dose for the dental repair materials has been estimated to be 20-185 mGy.}},
author = {{Geber, Therese and Bernhardsson, Christian and Mattsson, Sören and Rääf, Christopher}},
issn = {{1432-2099}},
language = {{eng}},
number = {{4}},
pages = {{443--449}},
publisher = {{Springer}},
series = {{Radiation and Environmental Biophysics}},
title = {{Retrospective dosimetry using OSL of tooth enamel and dental repair materials irradiated under wet and dry conditions.}},
url = {{http://dx.doi.org/10.1007/s00411-012-0434-9}},
doi = {{10.1007/s00411-012-0434-9}},
volume = {{51}},
year = {{2012}},
}