预成型锉

Use size ''R'' to open root canal, build glide path

Use S1,S2, S3 step by step enlarge root canal

Speed:250-300rpm, Torque2.5N.cm

PRESHAPER

● Made of high quality NiTi alloy with flexible performance after special heat treatment process

● Improved the fracture resistance

● Forward cutting angle with excellent cutting efficiency, easy to discharge debris

● Secure round pointed end that could avoid the steps or side performation

● Adaptive thread makes the files efficient, flexible and high strength

● Recommended rotary speed 250-350rpm, torque 2.5N.cm