| 摘要 |
Dental implant (1) and piece (11) to be connected to a dental implant (1), characterised in that both (1, 11) are capable of being connected to each other by an internal connection to the dental implant (1). The internal connection principally comprises an anti-rotational part (6, 16) and a cylindrical part (8, 18), with the anti-rotational part being formed by the repetition of a series of anti-rotational components (20, 20'), each of them formed by a series of arcs (21, 22, 23, 24, 25, 21', 22', 23', 24', 25') tangent to each other. This design of the anti-rotational part enables better performance to be obtained than with known anti-rotational designs.
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