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International Frequently Asked Questions

Should I perform an in-line treatment with a shock product before installing the DentaPure® cartridge?

“Shocking” is not required before the first use of the DentaPure® cartridge. However, if DUWLs have not been treated, or inconsistently treated, it is suggested to treat waterlines using an approved in-line product prior to the installation

What are the recommended standards for dental unit water quality?

The U.S. EPA (Environmental Protection Agency) standard for safe drinking water is ≤500 CFU/mL. This standard has been adopted by the CDC (Centers for Disease Control) and accepted by the ADA (American Dental Association) and OSAP (Organization for Safety & Asepsis Procedures). DentaPure® cartridges have been registered by the U.S. EPA to ensure that your practice will meet or exceed water quality have a maximum of 200 CFU/mL

Which DentaPure® Cartridge is right for my unit?

Independent reservoir (bottle) units: DPI40B (60 days, or 40L of water if usage records are kept) or DPI365B/DPC365B (365 days, or 240L of water is usage records are kept). Quickly and easily selfinstalled.

Municipal or well (direct feed) units: DPI365M/DPC365M (365 days, or 240L of water if usage records are kept). Crosstex recommends installation by a service technician from your preferred dealer.

Does the DentaPure® cartridge remove biofilm?

DentaPure® cartridges do not claim to remove biofilm. The U.S. EPA (Environmental Protection Agency) standard for safe drinking water is ≤500 CFU/mL. When used according to labeling, DentaPure cartridges ensure that your practice’s dental unit water meets or exceeds water quality having a maximum of 200 CFU/mL. If CFU counts are above 500 CFU/mL prior to DentaPure cartridge installation, Crosstex recommends using an approved in-line shock product. Once the DentaPure cartridge is installed, no monitoring or shocking protocol is required for 365 days, or 240L of water if usage records are kept.

How do I know if I need to treat my waterlines?

Even new waterlines begin to grow bacteria within a few days of use. According to research, any waterline that has not been maintained and routinely treated will have a high chance of being above the 500 CFU/mL limit set by the U.S. EPA (Environmental Protection Agency) for potable drinking water. See Barbeau J., Tanguay R., Faucher E., Avezard, C., Trudel L., Co^te L. and Pre’vost A.P. 1996. Multiparametric Analysis of Waterline Contamination in Dental Units. Amer Soc for Microbiology. 62,11:3954–3959 and

An outside lab that performs mail-in CFU testing can determine the level of colony forming units (CFU) in your waterlines.

We just installed the DentaPure® cartridge. Why is our water discolored/Why does it have an odor?

Once installed, the DentaPure® cartridge will start treating the water to deliver water quality having a maximum of 200 CFU/mL. The bacteria being flushed from the lines can have a noticeable color/odor if the unit has not been treated or inconsistently treated and has a large build-up of bacteria or biofilm in the lines. Flushing two liters of water through the dental unit waterlines can alleviate this; the color and odor should dissipate. Multiple two-liter flushes may be necessary.

Will my patients notice an iodine taste?

Most patients cannot detect the low level of iodine (2 – 6ppm).

What about my patients with iodine allergies?

DentaPure® cartridges use elemental iodine (I2). No allergy-causing proteins are attached to the iodine. People are not allergic to iodine, they are allergic to the protein sometimes attached to it. Please refer to this study: Schabelman E1, Witting M. The relationship of radiocontrast, iodine, and seafood allergies: a medical myth exposed, J Emerg Med. 2010 Nov;39(5):701-7. doi: 10.1016/j.jemermed.2009.10.014. Epub 2010 Jan 4.

How can I be certain the DentaPure® cartridge is working? Do I need to test it?

DentaPure® cartridges have been registered by the U.S. EPA (Environmental Protection Agency) to ensure that your practice will meet or exceed water quality have a maximum of 200 CFU/mL for 365 days, or 240L of water if usage records are kept. Costly and time intensive testing is not required to ensure that the DentaPure cartridge is working. However, it is recommended to check the iodine level at 11 months, or as you approach 240L of water to ensure that the iodine output has not fallen below 0.5ppm – particularly if you have a very busy practice.

Will the DentaPure® cartridge corrode or etch metal parts in my dental unit?

No. Studies show there is no effect on the setting of dentin bonding agents due to the use of the DentaPure® cartridge. http://dentapure.com/wp-content/themes/dentapure/library/pdf/Iodine-bonding-by-Ragu.pdf

What about water heaters and cup fillers on my dental unit?

In accordance with CDC (Centers for Disease Control) guidelines, Crosstex strongly recommends the removal of in-line water heaters. Heated water will promote the growth of bacteria and the buildup of biological film in the waterline leading to the DentaPure cartridge.
www.osap.org/?page=Issues_DUWL_3

Cup fillers should be re-routed to a water source not being treated by the DentaPure® cartridge. This prevents premature depletion of the iodine in the cartridge.

Is there any independent testing information available on the DentaPure® cartridge?

Yes. The ADA (American Dental Association), The Dental Advisor, and the United States Air Force have tested the DentaPure® cartridge.

How do I dispose of the DentaPure® cartridge?

Undamaged DentaPure® cartridges are not considered hazardous and may be wrapped in newspaper and disposed of in your regular trash. In the remote event that the cylinder or cartridge is broken and the iodinated pellets are exposed, use extreme caution. Please Refer to the DentaPure cartridge International Instruction for Use for instructions on handling a broken cartridge with exposed pellets.

Who installs DentaPure® cartridge on the units?

The DPI40B and DPI365B/DPC365B are easily self-installed within a few minutes. We recommend installation by a service technician from your preferred dealer for the municipal DPI365M/DPC365M cartridge.

Do I still have to clean my bottle if I use the DentaPure® cartridge?

Yes, the DentaPure® cartridge only treats water that passes through the cartridge. It is important to empty and rinse the bottle nightly, and begin the morning with a fresh bottle of water. Please refer to the DentaPure cartridge International Instructions for Use. Stagnant water can lead to bacterial growth.
www.osap.org/?page=Issues_DUWL_1

Do I need to buy a special bottle to use the DentaPure® cartridge?

No. DentaPure® cartridges work with all existing bottles, including the two-liter quick disconnect style.

Where can I purchase DentaPure® cartridges?

DentaPure® cartridges are available through most distributors/dental supply dealers.

U.S. customers, please refer to the U.S. FAQ’s available here.

All claims made based on use with potable water.

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