Katana-V ultrasonic creating a small space adjacent

creating a small space adjacent to the fractured file edge

and Katana-H when they become chipped or dull

The TFRK-ME has extremely fine spear-shaped tips with a smooth surface for bypassing ledged canals and exploring the canal for broken files or other impediments (Seen as instrument on right)

Used in straight nosed handpiece at 5000RPM

The ultrasonic preparation continues until the movement of the broken instrument is confirmed under the 4 magnification

Katana-V ultrasonic creating a small space adjacentKatana V is ultrasonic tip with flat surface that should face towards the separated file. The instrument is used (dry) to wedge into the space on the inside of the canal curve between the separated file and the canal wall, creating a small space adjacent to the fractured file edge.