n. an instrument for removing calculus from the teeth. It may be a hand instrument (usually sickle or curette) or one energized by rapid ultrasonic vibrations.
a major fixed piece of dental equipment to which are attached the dental drills, aspirator, compressed air syringe, and ultrasonic scaler. It is frequently integral with the *dental chair.... dental unit
1. n. any of the flakes of dead epidermal cells shed from the skin. 2. vb. to scrape deposits of calculus (tartar) from the teeth (see scaler).... scale
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