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Amalgam fillings may increase levels of mercury in the body
17.10.2016 | News americas

Amalgam fillings may increase levels of mercury in the body

by Dental Time

Many discussions have been made concerning mercury and its influence on human body. It was unclear how dental fillings are connected with mercury level in organism. However, recent research has proved that there is an interconnection between numbers of amalgam fillings and mercury level.

It was the first study that has proved that people with multiple dental fillings demonstrate significantly increased mercury level in their blood as compared to people who did not have dental surface restorations. About 15.000 patients took part in this research. According to the results, all patients who have more than eight fillings demonstrate about 150 percent more mercury in their blood than those with none.

During the next step of this research, scientists have found a significant increase in methylmercury, the most toxic form of mercury, associated with dental fillings.

According to Dr. Xiaozhong Yu, co-author and Assistant Professor of Environmental Health Science at the College of Public Health at University of Georgia, mercury exposure from dental fillings was a hot topic. Unfortunately, previous studies had lack of analyzing data. The researcher also adds that with this study there is a chance to provide the most accurate level of exposure, which will form the scientific basis to make future risk assessment.

The American Dental Association (ADA) responded to this study with press statement that clarified the Association’s position as to dental amalgam, which remained unchanged. In addition, this study used data of two different types of dental materials: composite and dental amalgam made of combination of metals including copper, tin, silver and mercury. The ADA also said that since the study included the results of two filling materials, its findings may be prone to over-interpretation.

The ADA considers dental amalgam fillings safe for adults, but their use in pregnant women and children under the age of 6 is not recommended.

According to Dr. Xiaozhong Yu, co-author and Assistant Professor of Environmental Health Science at the University of Georgia’s College of Public Health, mercury exposure from dental fillings was a hot topic. But unfortunately previous studies had lack of analizing data. The researcher also add that with this study there is a chance to provide the most accurate levels of exposure, which will form the scientific basis to make future risk assessment,

The American Dental Association (ADA) responced to this study with press statement that clarified the association’s position on dental amalgam remains unchanged. In addition, this study used data of two different types of dental materials: compositeand dental amalgam, made from a combination of metals including, copper, tin, silver and mercury. The ADA also said since the study includes the results of two filling materials, the study’s findings may be prone to over-interpretation.
The ADA considers dental amalgam fillings safe for adults, but  its use in pregnant women and children under the age of 6 is not recomended.

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