| 摘要 |
An endodontic instrument set of progressively smaller sizes adapted for use in performing root canal therapy and a method of using the instrument set are provided. Each of the instruments have an elongated shaft comprising a proximal end and a dist al end and a short enlarged continuously tapered working length formed on the shaft adjacent to the distal end. The short enlarged continuously tapered working length has at least one continuo us cutting edge thereon. |
