Lead concentration in permanent teeth of the population of Erfurt and its surroundings
Manuwald, O.; Mey, W.; Herzog, V.; Kluge, C.; Reuscher, G.
Zentralblatt für Hygiene und Umweltmedizin 192(1): 76-93
1991
ISSN/ISBN: 0934-8859 PMID: 1953934 Document Number: 372443
In this study 1616 permanent teeth were collected from 1466 stomatological patients, which are living in Erfurt and surroundings. The lead levels were investigated by flame-AAS. Comparisons were need with following parameters: sex, age, living area, vitality of teeth, smoking, caries and filling of teeth. Mean lead level from investigated teeth was 13.2 microgram Pb/g tooth by mean patients-age of 38 years. The results showed that there have not been significant differences between sex and investigated areas of Erfurt and surroundings. Low influence on lead levels in teeth were found in groups when were investigated following parameters: vitality, smoking, caries, filling of teeth. High influence on tooth lead level was connected with the age of patient that is time of exposition. We found as raising factor on 3% tooth lead level per year. It was also found that incisors pick up more lead than molars and premolars, and molars more than premolars. These differences would be depend of food and respiratory air. The general result of this investigations about the consequence of tooth lead levels by the inhabitants of Erfurt point out that there is no danger of chronic lead intoxication by adults.