| 摘要 |
PURPOSE: To properly transmit energy to a root canal file and to obtain a proper root canal form, by making slots between each cylinder shape parts of handle used for root canal forming file and flat side plane facing each other. CONSTITUTION: This handle 14 of a root canal forming equipment 10 used for a root canal forming file 12 provides a slot 18 between the cylinder shape parts 16 apart each other and at the same time forms a slot 22 on the flat side plane 20, and the slots 18 and 22 are in a V-shape or an other requested shape. On operation, a dentist works properly their sense of touch, operates the file 12 in the root canal and properly makes cutting and shaping of the root canal. The handle 14 can control a power source and fingers of the dentist on average, power drive is transmitted to a cutting slot of the file 12 and controlled. The fingers of the dentist feel total control and sense of touch of the file 12 and make cutting and removing of the root canal properly and completely. |
