WHAT THE 17/18S MCCALL CURETTE IS USED FOR Reach awkward locations with ease using the stainless steel 17/18S McCall Curette, a smaller version of the McCall 17/18 Curette. The deep curve of this curette makes it ideal for cleaning up supragingival calculus, and the short, small ends allow you to get under the gum line to clear away subgingival calculus. When you invest in this tool, you’ll be restoring your patients’ oral health while providing them a boost in confidence. Benefits of the 17