BTR Pen (with Ultrasonic tips for loosening instrument)BTR Pen Dental tool for removing broken root canal instruments The BRT pen combines new technology, fine quality and effective work. It makes the removal of broken dental instruments a predictable, universal and repeatable procedure. The usage of the ultrathin and highly elastic working tip, together with ultimate endurance nitinol loop, makes it easy to get to the broken canal instrument. The tool allows certain grip and safe removal of the broken