Importance of Using Dental Amalgam Separator
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| Dental Amalgam Separator |
Dental
amalgam is a common material used for filling cavities and restoring missing or
broken teeth. However, amalgam also contains mercury which can cause harm to
the environment if released through dental office wastewater. This is why it is
important for all dental offices to use an amalgam separator.
What is an Amalgam Separator?
An amalgam separator is a device that is installed in a dental office's vacuum
system to capture and retain amalgam filling material and solid mercury waste
before it goes down the drain. Separators use various filtration technologies
such as screens, centrifugal forces or filtration media to remove amalgam
particles from the dental office wastewater.
There are different types of Dental
Amalgam Separators available including vacuum filters, filtration units
and single-use traps. Vacuum filters continuously remove amalgam from mixed
dental wastewater and collect them for proper disposal. Filtration units have
tanks that collect wastewater and use filters to remove amalgam waste.
Single-use traps are disposable containers placed in vacuum lines that capture
amalgam before it reaches the sewer.
Importance of Mercury Control
Mercury is a hazardous material that can harm the environment as well as human
health even in small amounts. According to the EPA, dental offices are the
largest source of mercury discharge going into publicly owned treatment works.
When released in water bodies, mercury can accumulate in sediments and magnify
up the food chain. It can damage the kidneys and the nervous, digestive and
immune systems of fish and wildlife populations.
Mercury poses special risks to children and fetuses as it easily passes through
the placenta and spreads throughout the body. Exposure has been linked to
impaired neurological and behavioral development in infants and children.
Amalgam separators help protect the community by reducing the amount of mercury
released through dental office wastewater. Offices that do not separate amalgam
waste contribute greatly to overall mercury pollution in the environment.
Compliance with Regulations
Many states and municipalities now have laws that require dental practices to
install, maintain and monitor amalgam separators. For example, the EPA
established the Dental Office Category Rule under the Clean Water Act in 2017
which requires all dental dischargers that place or remove amalgam to install
amalgam separators.
Dental offices that do not comply are at risk of penalties, fines and
enforcement actions. Proper record keeping also needs to be maintained to show
proof of amalgam separator installation and documentation of solids collection
and proper management. Regular maintenance and replacement of separators as per
manufacturers guidelines also needs to be followed to remain compliant with
regulations.
Cost Benefits of Amalgam Separators
While there is an initial investment and cost involved in purchasing,
installing and maintaining an amalgam separator, it proves beneficial in the
long run:
- Reduced Cost of Mercury Disposal: Separators reduce the amount of amalgam
waste that needs proper disposal, lowering associated handling and compliance
costs.
- Avoid Fines and Penalties: Non-compliance with regulations can result in
significant fines and penalties. Separators help remain compliant to avoid
these additional costs.
- Protect Sewer Infrastructure: Separators reduce the risk of clogs and damage
to sewer systems from excessive amalgam that may require expensive repairs if
not removed.
- Improved Worker Safety: Amalgam separators provide a safer work environment
by limiting employee exposure to mercury vapors during waste collection,
storage and transport.
With estimated payback periods ranging between 1-3 years for most dental
practices, the upfront separator investment is easily offset by long term
savings and avoidance of othercosts. It proves a smart choice both environmentally
and financially.
Choosing the Right Separator
When purchasing an amalgam separator, dentists should choose a model that is
approved by the ADA and compliant with federal, state and local regulations for
mercury discharge. Some factors to consider include:
- Vacuum suction capacity based on office size and number of chairs
- Easy maintenance and replacement of collection container
- ISO 11143 compliance certification
- Manufacturer warranty and customer support
- Cost of replacement filters or canisters
- Durability and longevity of the unit
Consulting the separator manufacturer directly can help identify the most
suitable unit based on an office's specific needs. Proper installation by a
licensed professional also ensures optimal performance.
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Amalgam Separator

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