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Arbeitsmedizin Sozialmedizin Umweltmedizin

Arbeitsmed.Sozialmed.Umweltmed.

2002/

37

8

388

393

0944-6052

Unknown(0)

Aim of the study: The aim of the study was to investigate whether the lead concentration in teeth is influenced by the lead content of the material of drinking water pipes. Collective and method: The lead contents of 235 permanent teeth extracted from 190 inhabitants of Leipzig aged 16-93 years, some of whom had lived in houses with water pipes containing lead from birth, were determined with a graphite furnace atomic absorption spectrometer. Results: The lead levels in tooth roots were in the range from 0.5 to 31.1 μg/g dry weight (median 7.0 μg/g). Significant differences were found in the lead concentrations in teeth between people living in houses with water pipes containing lead and those in houses without. Furthermore, the lead content depends on the age of the patient. The tooth lead of younger adults (aged 16-40 years) without additional lead exposure was in the range from 0.5 to 4.6 μg/g dry weight (median 2.2 μg/g), the range for the tooth lead of older dental patients (aged 61-93 years) was found to be from 6.6 to 6.8 μg/g dry weight (median 6.7 μg/g). In the case of patients living in houses with water pipes containing lead, the median lead concentrations in teeth were 7.2 μg/g for younger adults and 14.5 μg/g for older adults. Conclusions: Both previous occupational exposure to lead and non-occupational exposure can be detected in teeth many years after the end of exposure.

drinking water, lead, adolescent, adult, aged, article, atomic absorption spectrometry, environmental exposure, heavy metal poisoning, household, human, lead poisoning, major clinical study, tooth extraction, water contamination

Bleigehalt in zähnen als marker einer umweltbedingten bleibelastung

Embase

Embase

Kuchenbecker,D., Schaffernicht,H., Raddatz,M.

Kuchenbecker, D., Inst. fur Arbeitsmed./Sozialmedizin, Universität Leipzig, 04107 Leipzig, Germany

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2002