Bending machine head and root canal bending machine

The utility model belongs to the technical field of medical instruments, and particularly discloses a bender head and a root canal bender, which comprise a casing, a shaft sleeve and a head cover, the shaft sleeve is mounted in the casing through a bearing part, the head cover is detachably mounted at the top of the casing and positioned above the shaft sleeve, the bender head further comprises a fixing seat and a conducting strip, the fixing seat is mounted in the casing, and the conducting strip is mounted on the fixing seat. The shaft sleeve is arranged in the shell and abuts against the inner wall of the shell, at least two jacks are formed in the fixed seat, the conducting strip is located between the shell and the fixed seat, the two ends of the conducting strip penetrate through the jacks, and the two ends of the conducting strip are attached to the side wall of the shaft sleeve, so that the shaft sleeve, the conducting strip, the fixed seat and the shell are conducted, or the shaft sleeve, the conduct