How Do You Know If a Scaling Curette Needs Sharpening? A sharp curette does the work; a dull one makes you work harder and leaves calculus behind. Here is how to tell — in seconds, chairside — when yours needs sharpening. A scaling curette removes calculu... Curettes Dental Instruments ErgoDenta ErgoLite ErgoRazor Ergonomics Information Periodontics Product Guide Training