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Maintenance

- Replacing the Bacteriological Filter

- Replacing the Dust Filter

- Insert Door Seal

- Back Page Reset

- Waterline Maintenance Quick Start Guide

- Weekly Waterline Asepsis Procedure for
- Self-Contained Water System for non ICX Use

 

 

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Waterline Maintenance - Quick Start Guide

 

A-dec’s recommendation for waterline maintenance is based on the daily use of the A-dec ICX water treatment tablet. ICX is specially formulated to help prevent contamination and maintain clean dental unit waterlines.

 

Before using A-dec ICX for the first time, test your water quality. If results indicate bacterial counts higher than your water quality goals, proceed to Waterline Preparation, otherwise begin daily use. Recommendations for dental unit water quality have been published by the American Dental Assoc (ADA) not to exceed 200 cfu / ml and the Centre for Disease Control (CDC) not to exceed 500 cfu / ml. Australian Drinking Water Standards specify a maximum of 100 cfu / ml.

 

Waterline Preparation

If test results indicate the your dental unit water does not meet your water quality goals.

Prepare the dental unit water system for ICX by following the Weekly Waterline Asepsis Procedure on the reverse side of this page.

Then proceed with daily use of ICX to maintain dental unit waterline quality.

 

Daily use of ICX

 

Step

Action

1

Before refilling bottle, empty any
remaining water left in the bottle

2

Drop tablet into empty bottle
(To prevent contamination,
avoid touching the tablet.)

3

Fill bottle with water, and
connect to dental unit.

4

Wait 60 seconds for tablet
to fully dissolve.

 

 

Text Box:

 

Monitoring Water Quality

Based on CDC recommendations,* test or monitor water bacterial counts weekly (or at other appropriate intervals based on established results). If results do not meet your water quality goals, repeat steps outlined for preparing your water lines. Monitoring can be accomplished using in-office monitoring kits (e.g. Millipore HPC Sampler). If these are not practical, another option is to use a commercial water testing service.

(*ref.: “Recommended Infection Control Practices for Dentistry 2003,” CDC)

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Weekly Waterline Asepsis Procedure for
Self-Contained Water System for non ICX Use

  • We recommend a disinfectant solution of one part household bleach (5.25% sodium hypochlorite) plus nine parts treatment water. This 1:10 (one-in-ten) solution
    should be used in all bottle and waterline asepsis.
  • For the following procedures, fill a treatment bottle with approximately 600 ml (about 20 oz) of the 1:10 disinfectant solution. Simply mix 60 ml (about 2 oz) bleach with 540 ml (about 18 oz) treatment water. Make certain to prepare fresh solution for each clinic week.

Text Box: Caution When using a chemical such as sodium hypochlorite which can stain or bleach tile, carpeting, or upholstery; take the necessary precautions to prevent spills and dripping. While flushing the system, hold the syringe and handpiece tubings over a sink, basin or bucket.

 

  • Bottle Disinfection: To disinfect an A-dec water bottle pour about half a cup of the 1:10 solution into the bottle, cap and shake for about five seconds, then allow it to stand for 10 minutes. Shake the bottle again. Empty the bottle and rinse twice with treatment water.

Text Box: Caution Plastic water bottles cannot withstand heat sterilization. Attempting to do so will destroy the bottle and may damage your sterilizer. The A-dec self-contained water system was not designed to deliver sterile water from handpieces and syringes.

  • Weekly Procedures: The following procedures should be performed at least once a week, preferably at the beginning of each clinic week, before the first patient:
    • Make sure the handpieces have been removed from the tubings before
      purging the system.
    • Make certain the unit has been purged with air (see Daily Procedures).
    • Fill and flush with disinfectant:
      • Make sure the unit is off. Remove the empty water bottle and set it aside for disinfection (see para 3).
      • Add approximately 600 ml (about 20 oz) of the 1:10 disinfectant solution to a disinfected bottle. This will be referred to as the disinfectant bottle.
        Install the bottle.
      • Hold handpiece tubings and syringe over a basin or bucket.
        Turn the unit on, wait a few moments, then operate the unit flush valve,
        syringe and foot control until a steady stream of disinfectant solution begins flowing through the tubings (about 15–20 seconds).
    • Allow disinfectant to remain in the unit for at least 10 minutes
      (never more than 20 minutes).
    • Purge the unit with air:
      • Install an empty disinfectant bottle to the unit. Hold the handpiece tubings
        and syringe over a basin or bucket. Turn the unit on, wait a few moments,
        then operate the unit flush valve, syringe, and foot control until the
        disinfectant solution is purged from the system.
      • Turn off the unit.
    • Fill with treatment water:
      • Make sure the unit is off. Remove the empty disinfectant bottle.
        Then install a disinfected bottle filled with treatment water.
      • Hold handpiece tubings and syringe over a basin or bucket.
        Turn the unit on, wait a few moments, then operate the unit flush valve,
        syringe, and foot control until a steady stream of treatment water begins
        flowing through the tubings (about 20–30 seconds).
        Your dental unit is now ready for use.
  • Procedure For Infrequently Used Dental Units Care Instructions: In some applications, dental units may have long periods of downtime between use. For units that will not be operated for longer than one week, we recommend the above flushing and disinfecting procedure immediately before and after each lengthy downtime period.

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