Ultrasonic dental scaler超声波洁牙机 FDA CFR - Code of Federal Regulations Title 21 PART 872 -- DENTAL DEVICES Subpart E - Surgical Devices Sec. 872.4850 Ultrasonic scaler. (a) Identification. An ultrasonic scaler is a device intended for use during dental cleaning and periodontal (gum) therapy to remove calculus deposits from teeth by application of an ultrasonic vibrating scaler tip to the teeth. (b) Classification. Class II. K053578.pdf K070975.pdf K132322.pdf K201317.pdf |
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