In previous Practice Tips #3 we discuss the basics of dental units and the required operating unit pressure (80 psi air, 40 psi water). After a few technical calls from dentists, we thought it would be a good topic to revisit. Contact online >>
In previous Practice Tips #3 we discuss the basics of dental units and the required operating unit pressure (80 psi air, 40 psi water). After a few technical calls from dentists, we thought it would be a good topic to revisit.
As discussed before, insufficient air pressure can lead to a myriad of problems. In most systems, not enough air prevents handpiece function. Air flows through the handpiece holder, which pushes down on a diaphragm to keep the handpiece from running when in the holder. *See below for a holder or go to our holders and bars for more variety. For this system to work, the main air pressure needs to be higher than your drive air, so that it keeps the drive air from forcing its way through the system. This is another reason your main pressure needs to be higher (typically 80 psi).
If you have a cuspidor, use the air pressure to activate the water to rinse the bowl and fill the cup. For systems with a timer, the bowl rinse or cup filler run for a time and then automatically shut off. An air reservoir typically provides the timing. When activated (via a pilot valve - #10-10), air flows into the reservoir which gradually drains as it flows into a block to turn the water on. Once the reservoir empties of air, the pressure releases on the water valve and the water then shuts off. The timer adjustment simply controls how long it takes for the air to empty from the reservoir.
Since water is denser than air, air pressure needs to be at least twice your water pressure. This guarantees the air to activate and work more efficiently. Otherwise, the greater density of water can allow it to "force" its way through the lines.
Your foot control, also, operates under standard regulated line pressure. The foot control is the first point at which your drive air pressure is stepped down. By having a solid 80 psi inlet pressure, you have plenty of range to control the outlet pressure. If the pressure came in at only 40 psi, you''d have difficulty getting a full 40 psi to your handpiece.
Your foot control may also have air operated accessories, such as a water on/off toggle. You need ample air pressure at this toggle for the same reason as you need high air pressure inside the unit. Of course, you can''t have 80 psi in the operatories unless you have enough pressure coming out of your compressor. It should be set to cycle at 90-100 psi (to support the inevitable loss of pressure as it travels).
The regulators (#05-54) in the operatories can only step the air pressure down, so you need to be sure the pressure coming into the room is in excess of 80 psi. Adequate air pressure is the first step in keeping your units running well.
We can''t tell you how many calls we get that could be quickly diagnosed in-house had the doctor simply checked the gauges first. If experiencing a lack of air pressure in your delivery unit, check your gauges when experiencing issues with any dental unit component. Please give us a call at 800-331-7993 with any questions.
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Good usage habits can prolong the lifespan of dental handpiece, and also can bring professional treatment and comfort to patients.
Some dentists who use China dental handpiece with more than the specified air pressure in order to speed up the treatment process, which leads to faster wear on bearings of the dental high-speed handpiece.What’s more, the supported cage of the bearing will be damaged due to excessive load, resulting in a shortened life span of the entire dental handpiece and even medical injuries.
These are the most common failures of dental handpieces caused by the use of excessive air pressure.
So is it possible to use lower air pressure? Let’s see what will happen when using higher and lower air pressure?
When we use too high air pressure, the great load will make the bearing of dental high speed turbine wear out extremely fast. The life span is greatly reduced.
Dental handpieces will rotate weakly, increasing the load of torque and damaging the bearings!
Good usage habits can prolong the lifespan of China dental handpiece, and also can bring professional treatment and comfort to patients. We recommend that dentists use the correct air pressure and speed range as follows.
Different brands of dental handpieces like NSK dental handpiece, KAVO dental handpiece and SIRONA dental handpiece, they have different air pressure requirements, and only use within the manufacturer’s specified air pressure range will ensure the best performance of the dental handpiece.
If there is no special air pressure meter to measure, we can generally counting the loss of dental chair piping, the air pressure on the dental chair table is set to about 0.28Mpa, do not pursue high torque output to adjust the air pressure up.For more details to maintain dental handpiece, you can refer our previous articles.
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Our team focus on dental equipment,materials, and electrical products supply,to create an one-stop procurement system with high-quality dental products. We do thorough research, product inspection to ensure that every product we sell meets the quality standards. Only after fully testing and quality control procedures, the dental products can be shipped out to our customers.Quality and price matter.
In the world of dentistry, precision and reliability are paramount. Among the arsenal of tools that dental professionals employ, air-powered handpieces stand out for their efficiency, speed, and versatility. These instruments, dependent on compressed air from dental compressors, have revolutionized dental practices. However, their effectiveness is closely tied to the efficiency of the air compressor that powers them. This article explores the operation of air-powered handpieces and how compressor efficiency impacts their performance.
Understanding Air-Powered Handpieces Air-powered handpieces are dental drills that utilize compressed air to rotate a bur at high speeds. These handpieces are used for various procedures, including cavity preparation, tooth polishing, and prosthetic adjustments. The advantage of air-powered handpieces lies in their lightweight design and the lack of a heavy motor, making them easy for practitioners to maneuver.
Air-powered handpieces are vital tools in modern dentistry, providing speed and precision that are essential for effective patient care. However, the efficiency of the compressor that powers these instruments cannot be overlooked. A well-functioning, high-efficiency compressor ensures that handpieces operate at their best, enabling dental professionals to deliver the highest level of care. Investing in quality compressors not only enhances operational effectiveness but also improves patient experiences, making it a crucial consideration for any dental practice. In the pursuit of excellence in dentistry, compressor efficiency is not just a technical requirement; it is a cornerstone of quality care.
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