Device for holding denture part i.e. tooth crown, has holder mechanism comprising expandable element in upper area, where holder mechanism comprises actuation part actuated for expanding expandable element

摘要

The device (1) has a holder mechanism (3) introduced into recesses (9). The holder mechanism comprises an expandable element (4) in an upper area. The expandable element is introduced into one of the recesses. The holder mechanism comprises an actuation part (8) e.g. eccentric cam, actuated for expanding the expandable element. The actuation part is provided with a thread (7) or a wedge, which cooperates with a threaded bore of an aperture (10) and/or the aperture of the expandable element. Two slat-like sub elements are designed as incisions in the expandable element.