| 摘要 |
The coupling device comprises a substantially spherical male element, rigidly associated with a support member, in turn adapted to be rigidly associated with the fixed part of a dental prosthesis. The device further comprises a female element defined by a prefabricated cap having an outwardly open seat. The cap is adapted to be rigidly associated with the removable part of a dental prosthesis, and the spherical male element is engageable, in snap-together engagement relationship, with the outwardly open seat, for associating the removable part of the prosthesis with the fixed part thereof.
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