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| Number | Title | Issue Date |
| 8177555 | Device for extracting a tooth root The invention relates to a device (1) for extracting a tooth root, said device having a pin (2) which can be inserted and fixed in the tooth root (10). The pin (2) can be fixed to the front end of a unit (5) via a connection piece ... | 05/15/2012 |
| 7172598 | Force specific impacting device An impacting device includes a hollow body and a movable member. The hollow body includes an inner chamber having an interior surface, the interior surface including at least one interference member extending radially inward therefrom. The hollow body also includes ... | 02/06/2007 |
| 4449935 | Tooth crown remover An elongated mandrel is coaxially secured at one end to one end of a larger diameter handle. The other end portion of the mandrel converges and terminates in an annular outstanding shoulder facing the handle. A sleeve-like hammer slidably surrounds the ma... | 05/22/1984 |
| 4300885 | Percussive dental crown extractor A percussive dental crown extractor comprises a hook 16 attached by an arm 14 to the front end of a tube 12 which encloses a cylindrical, notched hammer 44 and a spring 50 urging the hammer to the rear end of the tube, remote from the hook. The tube is te... | 11/17/1981 |
