| 摘要 |
The invention concerns a device for sealing the pulp cavity and root canals of a devitalized tooth, comprising a vacuum pump (P), a first connecting conduit (2b, 2d, 12) between said vacuum pump (P) and said pulp cavity, a source (9) of fluid substance for sealing said pulp cavity, a second connecting conduit (2a, 2c, 4) between said fluid substance source (9) and said pulp cavity, and means for closing (6) said second conduit (2a, 2c, 4) to communicate selectively said source (9) of sealing fluid substance with said cavity. The closing means comprise a membrane (6), calibrated to be ruptured at a specific pressure. |
