An ultrasonic dental handpiece has a thin, flexible, elongated abrasive tool attached for removing calculus deposits from the surface of teeth. A thin, flexible abrasive tool having a specifically selected diameter is used in conjunction with an ultrasonic handpiece for the purpose of removing calculus from deep within a periodontal pocket without traumatizing the surrounding tissue and bone. The use of a diamond coated abrasive tool aids in tactually detecting fine calculus deposits deep below the gum line. An annular aperture surrounding the circumference of the abrasive tool is used to provide a fluid spray for washing away loosened calculus. The ease and efficiency of calculus removal is greatly enhanced. The best feature of the ultrasonic instrument is the virtual lack of discomfort, compared to other devices used to clean teeth.
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