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Evaluating amalgam separators using an international standard.

Hanu Batchu¹, Duane Rakowski, P L Fan

¹Division of Science, American Dental Association, Chicago, USA.

Journal of the American Dental Association (1939)

|June 29, 2006

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Dental amalgam separators and filtration devices effectively capture mercury, exceeding the ISO 11,143 standard. These technologies significantly reduce mercury discharge from dental offices, protecting the environment.

Area of Science:

Environmental Science
Materials Science
Dental Materials

Background:

Dental amalgam restorations generate particles, with some escaping capture and entering wastewater.
Environmental regulations drive interest in amalgam separators to reduce mercury discharge from dental offices.

Purpose of the Study:

To evaluate the amalgam removal efficiency of commercially available amalgam separators and filtration devices.
To assess compliance with International Organization for Standardization (ISO) Standard 11,143.

Main Methods:

Laboratory testing of 13 amalgam separators and 2 filtration devices.
Evaluation based on ISO Standard 11,143 for amalgam separators.

Main Results:

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All tested devices exceeded the ISO 11,143 requirement of 95% amalgam removal efficiency.

Statistically significant differences in efficiency were observed among devices.

Separator efficiency was consistent regardless of whether they were empty or full.

Conclusions:

Amalgam separators and filtration devices achieve high mercury removal rates, exceeding 97.05% efficiency.
These devices are effective in mitigating mercury pollution from dental practices.