Uranium concentrations of porcelain teeth were determined using the fission track method. The uranium contents of each brand range 0.33-10 ppm, 0.69-81 ppm, 2.5-14 ppm, and 11-205 ppm, respectively. In addition, corresponding dose equivalents to the oral mucosa were calculated.
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Sairenji et al. (1980) studied this question.
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