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. 2023 Mar 30;23:186. doi: 10.1186/s12903-023-02880-9

Fig. 2.

Fig. 2

Plasma treatment procedure with “piezobrush PZ2” plasma device to (a) the inner surface of the crown (the crown is fixed in a yellow silicone mold), (b) the titanium base surface (the Ti-base is screwed onto an implant which is fixed in a metal clamp)