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Vpliv polikloriranih bifenilov na razvojne okvare sklenineJan, JanjaPolychlorinated biophenyls (PCBs) are ubiquitous environmental pollutants and are current constituents of the human body. Serious contamination with PCBSs occurred in Bela krajina (Slovenia). So far ... no data is available on the effects of long-term exposure to PCBs on developmental defects of enamel. The aim of this study was to evaluate the effects of long-term exposure to PCBs ondevelopmnetal defects in dental enamel. 202 8-14 year-old children who were pre- and post-natally exposed to PCBs in the contaminated region of Bela Krajina, Slovenia, were studied. 202 controls from Bršljin were matched for age and sex. Risk assessment was based on the concentrations of toxic PCB congeners in tissues and diet (expressed in total toxic equivalents of 2,3,7,8-TCDD), and the duration of exposure. The prevalence of developmental defects of enamel was assessed using the FDI Index. The data were analysed using the SPSS 6.0 statistical software package. PCB levels in different samples were analysed by high resolution gas chromatography (HRGC). Developmental defects of enamel in permanent teeth were found in 71.3% of exposed children, compared to 49.5% in the control group. The enamel was abnormal in 21.9% of the permanent index teeth of exposed children and in 12.7% of the control children. The difference was statistically significant hi2 = 84.2; p <- 0.001), mostly on account of demarcated opacities and hypoplasia. The extent of the defects was also greater in the exposed group (hi2 = 61.3; p <= 0.000). No significant correlations were found between PCB-exposure and developmental defects in deciduous teeth.(Abstract truncated at 2000 characters)Vrsta gradiva - specialistično deloZaložništvo in izdelava - Ljubljana : [J. Jan], 1998Jezik - slovenskiCOBISS.SI-ID - 9591001
Avtor
Jan, Janja
Drugi avtorji
Vrbič, Vitomir, 1935-
Teme
Polychlorinated biphenyls |
Analysis |
Adverse effects |
Occupational exposure |
Dental enamel |
Abnormalities |
Child |
Dentin |
Chemistry |
Chromatography, high pressure liquid |
Food contamination
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Jan, Janja | 15470 |
Vrbič, Vitomir, 1935- | 00432 |
Vir: Osebne bibliografije
in: SICRIS
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