公开(公告)号：US20210145540A1

公开(公告)日：2021-05-20

申请号：US17161111

申请日：2021-01-28

Applicant: DENTSPLY SIRONA Inc.

Inventor： Gilbert ROTA ,  Paul-Henri VALLOTTON

IPC: A61C5/40 ,  A61C5/42

Abstract: An endodontic instrument that includes a tapered rod, the rod including an active portion and a distal end, the active portion defining an envelope having a longitudinal axis that coincides with an axis of rotation of the instrument.

公开(公告)号：US20190046291A1

公开(公告)日：2019-02-14

申请号：US16162462

申请日：2018-10-17

Applicant: DENTSPLY SIRONA Inc.

Inventor： Gilbert ROTA ,  Paul-Henri VALLOTTON

IPC: A61C5/40 ,  A61C5/42

Abstract: An endodontic instrument comprising a tapered rod, the rod comprising an active portion, the active portion terminating at a distal tip end of the rod and defining a conical envelope, the conical envelope having a longitudinal axis that coincides with an axis of rotation of the instrument.