The general scaling method is better with ultrasonic supragingival cleaning and manual subgingival scraping. For the adherence of large stones deposited on the surface of the teeth and the neck of the teeth, the high-frequency vibration of the ultrasonic probe can be quickly removed. Since supragingival calculus is tightly bound to tooth enamel and large in size, manual instruments require a lot of force during removal, and prolonged operation will bring pain and discomfort to patients. Subgingival calculus deposited in the root surface below the gums, relatively small, ultrasonic probe removal will damage the gums, it is best to probe and locate, gently scrape with a manual instrument. Ultrasonic scaler is composed of ultrasonic generator and transducer, the generator sends out electromagnetic oscillation, the power will be amplified, the transducer will be high-frequency electricity converted to ultrasonic vibration, vibration frequency hit 200,000 to 45,000 Hz, through the transducer working head of the high-frequency vibration, attached to the surface of the teeth of the dental tartar removal, the ultrasonic scaler works with a variety of shapes such as pointed round and flat, according to the size of the teeth, and parts, etc. to choose the appropriate working head.
In addition, the ultrasonic scaler also has a water spray system, in the start of the working head ultrasonic vibration, the water spray system at the same time to the working head of the water spray, the formation of aerosol, on the one hand, play a role in the cooling of the working head, the other is to form a cavitation effect, that is, the spray droplets by the rapid collapse of a fine vacuum bubble and the energy generated by the dental tartar, plaque produced by the scouring effect, and will be shattered and blood stains, ultrasonic scaling machines are also available in a variety of shapes, such as pointed round and flat, according to the size of the teeth, parts and so on. Blood stains flushed away, the advantages of ultrasonic teeth cleaning, save time and effort, usually about half an hour, you can completely clean the mouth full of teeth.