Bur
The designed bur for treating teeth is a bur consisting of a central guider and two symmetrical cutter to produce a single-circle ring. This bur is used after preparation of the root canal similar to other posts.
The two main advantages of this bore are speed in preparation root canals and its accuracy. The bur is designed in different sizes, which make it available for using in treatment of various teeth. The depth of the prepared ring is in direct proportion with the size of bore.
One of the major problems of using this post system is its bur, which means without having the bur it is impossible to use it.
Read more about this topic: Nankali Post System