| 摘要 |
A two-part screw for a dental implant with a screw rod and a nut, which is sized so as to be received into a screw passage channel of an abutment in an axially secured manner, and which is formed with an inner thread for screwing connection to a first coronal thread on the screw rod, the screw rod being furnished with a second apical thread, which is formed to screwingly connect the screw to the dental implant; the construction made up of screw rod and nut can be replaced with a screw with a screw bush.
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