Sickle Vs. Curette differentiation Sickle Vs. Curette (tip) Sickle Scaler has a Sharp pointed TIP Curette Scaler has a Rounded tip referred as a TOE Video Sickle Vs. Curette Sickle Vs. Curette General Rule (indication for use) If it has a pointed tip it is a sickle scaler and should only be used supragingivally If it has a rounded toe it is a curette and is intended for use mainly subgingivally Anatomic principle (supra vs. subgingival)