| 摘要 |
PURPOSE: A needle member for filling root canal is provided to enable a fast and easy procedure of filling root canal by having a simple structure and by controlling a position of a needle to a desired position. CONSTITUTION: A needle member with a simple structure for filling root canal comprises a needle(10) and a cap portion(20), in which filler is to be filled. The needle is inserted in the cap portion in a longitudinal direction and rotatably embossed combined with the cap portion. A flange part(11) is formed at an end of the needle and adhere to an inner surface of the cap portion. A concave part(12) is formed in the flange part, and a convex part(21) is formed at a position corresponding to the concave part inside the cap portion. The convex part is formed in the flange part that adheres to the inner surface of the cap portion. The concave part may be formed at a position corresponding to the convex part inside the cap portion. |
