| 摘要 |
An insert button type of insert bar for connecting handle is provided, which makes the weight of a handle light and reduces the working hours. An insert button type of insert bar is constituted as follow. A front end face(100a) and a rear end face(100b) are cut in the oblique direction while forming a pair. In order to be guided to the inside of the handle and to be inserted, the side is rounded. The insert button(120) is protruded to insert the insert bar into the fitting groove of the handle. A cylindrical dental prosthesis(111) is inserted into the pin aperture.
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