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Mercury accumulation in human tissues from restored dental amalgam

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Abstract

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°¢°¢ 10.5¡¾7.0§¶/ l, 25.4¡¾23.0§¶/ l, ´¢¿¡¼­´Â °¢°¢ 10.2¡¾10.0§¶/g¡¤creatinine/ l, 16.7¡¾
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¼­´Â °¢°¢ 67.1¡¾16.0§¶/ l, 72.7¡¾15.0§¶/ l, À̾úÀ¸¸ç µÎ¹ß¿¡¼­´Â °¢°¢ 3.04¡¾1.11§·/ l ,3.29¡¾
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ÀÌ ÀûÇ÷±¸, Ç÷Àå, Ÿ¾×, ´¢ ¼ø¼­·Î ´¢Áß ¼öÀº³óµµ°¡ °¡Àå ³·°Ô ³ªÅ¸³µ´Ù(F=21.653, p<0.001).
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(r=0.5404, p<0.05), ÀûÇ÷±¸Áß ¼÷Àº ³óµµ (r=0.5269, p<0.05) ±×¸®°í µÎ¹ßÁß ¼öÀº³óµµ
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ÀåÁß ¼öÀº³óµµ (r=0.1163, p>0.05)¿Í´Â À¯ÀÇÇÑ »ó°ü°ü°è°¡ Á¸ÀçÇÏÁö ¾Ê¾Ò´Ù.
´¢Áß ¼öÀº³óµµ¸¦ g¡¤creatinineÀ¸·Î º¸Á¤ÇßÀ» ¶§ ´ëÁ¶±º¿¡¼­ 10.2¡¾10.0§¶/g¡¤creatinine/ l,
¾Æ¸»°¨ ÃæÀüµÈ ±º¿¡¼­ 16.7¡¾16.0§¶/g¡¤creatinine/ l À̾úÀ¸¸ç »ê¼úÆò±ÕÀ¸·Î °è»êÇÏ¿´À»¶§´Â
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¿ëÇßÀ» ¶§³ª g¡¤creatinineÀ¸·Î º¸Á¤ÇßÀ» ¶§³ª ÀüüÀûÀÎ °á°ú´Â ´Þ¶óÁüÀÌ ¾ø¾ú´Ù.
#ÃÊ·Ï#
The purpose of the present study was to evaluate mercury levels in human tissues
released after amalgam restoration.
The saliva, urine, plasma, erythrocytes, and hair samples were collected from 37
subjects with amalgam restorations and 28 subjects without dental amalgam in their oral
cavities. The total area of amalgam restorations were measured on the duplicated stone
models. All the body samples were melted with acid digestion method and mercury
contents in those tissues were measured with atomic vapour accessory and atomic
absorption spectrophotometer. Creatinine in the urine was determined using the
creatinine kit and U-V spectrophotometer.
The salivary and urinary mercury contents of the subjects with amalgam restoration
were significant higher than those of the controls. The hair mercury content was
highest in controls and erythrocytes, plasma, saliva, urine in descending order (F=21.653,
p <0.001). The hair mercury content was highest in subjects with amalgam restorations
and erythrocytes, plasma , saliva, urine in descending order (F=28.848, p <0.001). There
was a significant correlationship between the hair mercury content and the salivary
mercury content in the subjects with amalgam restoration (r=0.4036, p <0.01) but there
was no correlationship except this. There was significant correlation between amount of
amalgam and salivary mercury content(r=0.3404, p <0.05) erythrocytes mercury content
(r=0.3269, p <0.05) and hair mercury content. There was no difference in results
between adjusted by a gram of creatinine excretion per liter of urine and unadjusted
one.
We found the mercury levels in saliva and urine were higher in subjects with
amalgam restoration than subjects without dental amalgam and total released mercury
depends on the total surface area of restorated amalgam filling in the mouth. Hair
mercury content was the highest among aye kinds of body samples. We guess that
highly toxic level of mercury can not be released from restorated amalgam body, but all
dental personnel that has amalgam restoration in their mouth should be taught about a
accelerated effect of the potential hazard of dental amalgam in their mouth and mercury
exposure in the dental environment. The author also suggest that a nation-wide
guidelines for hygienic use of mercury in dentistry should be developed and
disseminated to all dental personnel in Korea.

Å°¿öµå

´¢; ¸ð¹ß; ¼öÀºÃàÀû; ¾Æ¸»°¨; ÀûÇ÷±¸; Ÿ¾×; Ç÷Àå; Mercury; Dental Amalgam; Saliva; Urine; Plasma; Erythrocyes; Hair;

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