Luminescence characteristics of dental ceramics for retrospective dosimetry: A preliminary study

I. K. Bailiff, V. Correcher, A. Delgado, Y. Gøksu, S. Hübner, Y. S. Horowitz, L. Oster

Research output: Contribution to journalArticlepeer-review

38 Scopus citations


Ceramic materials that are widely employed in dental prosthetics and repairs exhibit luminescent properties. Because of their use in the body, these materials are potentially of interest in situations where retrospective dosimetry for individuals is required but where monitoring was not planned. The luminescent properties of dental ceramics obtained from Germany, Spain and the UK were examined. Linear dose-response characteristics were obtained in the range < 100 mGy to 10 Gy using thermoluminescence (TL), optically stimulated luminescence (OSL) and infrared-stimulated luminescence (IRSL) measurement techniques. Measurements of time-resolved luminescence were also performed to examine the nature of the luminescence recombination under visible (470 nm) and IR (855 nm) stimulation. The results obtained by TL and optically stimulated techniques suggest that there may be deeper traps than previously observed in certain types of dental ceramic. Such traps may be less susceptible to optical and athermal fading than was reported in earlier studies.

Original languageEnglish
Pages (from-to)519-524
Number of pages6
JournalRadiation Protection Dosimetry
Issue number1-4
StatePublished - 1 Jan 2002

ASJC Scopus subject areas

  • Radiation
  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging
  • Public Health, Environmental and Occupational Health


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