Passant Connection Screw of Dental Implants: An In Vitro SEM Preliminary Study

Figure 4

SEM detail of the top of the connection screw. (a) A force of 30 N (screwed); (b) Max torque (screwed); (c) Two times 30 N (screwed); (d) Control screw (not screwed).

(a)

(b)

(c)

(d)