ST -This tip is used to remove cement or calculus. The ST-1 is similar to the CT-4, except it is curved is such a way as to achieve better access in difficult-to-reach tooth structures.
VT - The attachment was developed to loosen root canal posts as well as crowns or bridges, or for placing crowns.
CK - The Carr-Kanter back-action ultrasonic tip is ideal for performing difficult work, i.e. the preparation of MB-2 canals.