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Effect of extremely low frequency magnetic field on enamel microhardness in rats
 

Type:  Articles

Pubblication date:  12/2011

Authors:  B. Kargul*, I. Yavuz**, M.Z. Akdag***, A. Durhan*

Language:  English

Institution:  *Marmara University, Dental School, Department of Paediatric Dentistry, Istanbul Turkey. **Dicle University, Dental School, Department of Paediatric Dentistry, Diyarbakir, Turkey. ***Dicle University, Medicine School, Department of Biophysics, Diyarbakir, Turkey

Publication:  European Journal of Paediatic Dentistry

Publisher:  Ariesdue Srl

Keywords:  Magnetic field; Enamel; Microhardness.

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Email:   bkargul@marmara.edu.tr


Title:  Effect of extremely low frequency magnetic field on enamel microhardness in rats

Abstract:  Aim The potential effects on human health of extremely low frequency magnetic field (ELF-MF) are of considerable concern. In the present study, it was investigated the effect of long term ELF-MF exposure on microhardness of rat teeth. Materials and methods Thirty male Sprague-Dawley rats were divided into three groups. The first and second experimental groups (n=10) were exposed to 100 T and 500 T ELF-MF during 10 months, 2 hours a day respectively. For the control group, nothing was applied to the rats and they completed their life cycle in the cage during the study period. After ELF-MF exposure, microhardness of enamel surface was determined for each group. Results The decrease in microhardness in the second experimental group was found to be statistically significant compared to the control group (P<0.05). However, no statistical difference was found between the first and second experimental groups (P>0.05). Conclusion From the results it can be concluded that 500 T level of magnetic field strengths may have a certain negative effect on enamel mineralisation. Further investigations are necessary to analyse the effect of ELF-MF on teeth.

 
 
 
 
 
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