Effect of electromagnetic fields and antioxidants on the trace element content of rat teeth

Abstract

The purpose of this study was to examine the possible effect of extremely low-frequency electromagnetic fields (ELF-EMFs), from a high-voltage source, on rat teeth in terms of changes in trace elements (TEs) and the effect of antioxidants (melatonin [MLT] and Ganoderma lucidum [GL]) in counteracting these effects. We used adult male Wistar albino rats with a mean weight of 250–300 g and divided the rats into eight groups. The groups were subjected to an ELF-EMF that was applied with a high-voltage line for 8 hours/day for 26 days (Groups I, II, and III) or 52 days (Groups V, VI, and VII). Groups IV and VIII were the 26- and 52-day control/sham groups, respectively. Groups II and VI were treated with GL, and Groups III and VII were treated with MLT. MLT and GL were administered daily based on the weight of the animals and appropriate standards. At the end of the study, the rats were euthanized, and their anterior teeth were extracted. The teeth were preserved in pure water before evaluating the major TEs. At the end of the study, TE concentrations (in mg/kg) were assessed in the control and test groups. Compared with Group V, statistically significant differences in the concentrations of zinc (Zn) and strontium (Sr) were found for Group VII (ELF-EMF + MLT) (P<0.05). Therefore, ELF-EMF exposure can change the content of certain TEs in teeth and, after administering MLT and GL, the values of some of the TEs return to normal.

Effect of electromagnetic field on whole blood, biochemical and hormone level in human

“…13 Dogan and colleagues emphasized that electrical and magnetic fields generated by high voltage in the laboratory environment cause changes in trace element concentrations of rats. 14 Chater and colleagues investigated the effect of static magnetic field on pregnant rats. Chater and colleagues investigated the effect of static magnetic field on pregnant rats.…”

Changes in the serum of individuals exposed to extremely low frequency electromagnetic fields for a long time

“…6 Dogan and colleagues reported that the 2.48 micromagnetic field exposures on rats in the laboratory environment could alter the trace element content balance in the rat teeth, which could create a toxic effect on human health. 7 Touitou and colleagues reported that long-term (1-20 years) 50 Hz and 0.3 mT larger magnetic field exposures on males may cause changes in some blood parameters. 8 With the increase in mobile phones, there is also an increase in exposure to electromagnetic radiation.…”

The effect of antioxidants against electromagnetic field on enamel microhardness in rats

“…There is a growing concern about the detrimental biological impacts of EMFs on human health (2). While the magnetic fields with high frequency influence the superficial tissues, it is reported that magnetic fields with lower frequency have detrimental effects on deeper tissues (18).…”