pd4dPlease note that this Tip is used for Endodontic procedures The DTE PD4D ultrasonic tip features a diamond-coated (40µm) head desned for root canal orientation and the removal ofThe PD3DPD4D scaler tips are compatible with their DTE scaler handpieces and NSK orinal. PD3D: Used to level off the surface of endo during periodontal flap