Bi-yao Xu

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This paper aims to investigate if the dental restoration of nickel-chromium based alloy (Ni-Cr) leads to the enhanced excretions of Ni and Cr in urine. Seven hundred and ninety-five patients in a dental hospital had single or multiple Ni-Cr alloy restoration recently and 198 controls were recruited to collect information on dental restoration by(More)
OBJECTIVE To investigate the immunological function parameters in patients undergoing dental restoration of nickel-chromium (Ni-Cr). METHODS Seven hundred and ninety-five Ni-Cr alloy consumers as exposure group, together with 198 controls, were surveyed by the questionnaire and the biological examination of immunological function. RESULTS After(More)
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