12/7/2023 0 Comments Piezo ultrasonic scaler cavitron1 Periodontology, Clinical Trials Group, Bristol Dental School, University of Bristol, Lower Maudlin Street, Bristol, BS1 2LY, UK.Solutions can help to break down the obstruction to more easily remove it. If not, use high pressure air to blow the obstruction out. If you can access the entire line, using an object to free the line (like a wire) is usually a good option. Removing the obstruction from an ultrasonic scaler is really the same as removing the obstruction from any other line. Connecting the unit directly to a self-contained water system is the easiest method of accomplishing this, but you can also use a simple syringe to introduce a solution into the line, flushing the line as you would flush the socket of a freshly extracted tooth. You can attempt to flush the unit with a water line cleaner too. carries several replacement solenoids for specific models of Cavitron™ brand scalers) or you will need to send it in for servicing. If this doesn’t remove the obstruction, you may need to replace the solenoid (American Dental Accessories, Inc. An air flush of this nature can take some time, so let the air run for several minutes. Make sure to disconnect the water line from the back of the unit. Before applying air, turn the unit on and step on the foot control to open up the solenoid, so the air (and debris) has somewhere to go. Again, work from the end backwards as debris usually works its way in from the opposite direction. no water comes out of the handle with no tip installed), you can still try blowing out the line. This ultrasonic scaler tip has a water port underneath and is where a clog is possible. An endodontic file or barbed broach can also be used to mechanically clean the tip. Be sure to wear safety glasses whenever attempting to blow out debris. Blowing air backwards through the tip (you can use our etcher adapter or an air/water syringe) will free up anything in the lines. You can attempt to clean the water passage of the tip with a handpiece cleaning wire or similar small stiff wire. Do you get water out of the handle without a tip in place? Does the water flow for a long time uninterrupted? If so, the clog is in the tip. To find out, remove the tip and run the unit. Once you’ve determined you have a clog, how do you proceed?įirst, determine if the clog is in the scaler tip or in the unit. The obstruction prevents good flow, so the water flow rapidly drops off to near nothing. Typically, flow is restricted (but not completely blocked), so pressure builds up when the unit is not in use and you get good flow at first. It’s rare for lines to get completely blocked. The latter is the most common behavior of a clogged line. A normal flow that starts off fine and then trickles off to nothing.We see and hear of more clogs in ultrasonic scalers than any other device.Īs discussed back in PT #18, one of two behaviors will typically be exhibited if you have a clog: We went over the importance of ultrasonic scaler maintenance a few years ago, and even further back in Practice Tips #18 we covered waterline clogs: how to recognize if you have one and what to do about it. Using a self-contained water system gives you better control of water quality and helps you treat the lines to inhibit biofilm growth in accordance with ADA guidelines (see Practice Tips #55 and #56).īiofilm build-up is still a very common cause of clogs in dental unit water lines. Ultrasonic scalers have very small water lines and generate a tremendous amount of heat, making them ideal breeding grounds for biofilm. This month, we’re going to focus on one of the most commonly clogged devices, the ultrasonic scaler (Cavitron™). the correct treatment and filtration), clogs can still occur in your water lines. Even with proper protocols in place (i.e.
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