| 摘要 |
A device for the crown and dental bridge removal, in which the clamp-shaped metal plates are made as attachment on a tooth, which has the retaining horizontal planes in a lower part, where on one of the arched parts of attachment on a tooth a screw-thread is placed with a horizontal orientation for a screw-bolt. For the compression of the arched parts in proportion to a size additionally there are a shank of crown/dental bridge and screw holder lower from the crown edge, at that the shank of crown/dental bridge are made as four arched parts with working surfaces from below, rigidly connected from above by a beam with the screw-thread opening with a vertical orientation and placed on two from four arched thread parts with a horizontal orientation for the screw-bolt for the dense fixing of the arched parts on the crown/dental bridge. |
