Because this event resulted in medical/surgical intervention to preclude permanent damage to a body structure or permanent impairment of a body function, it must be presumed that the malfunction would be likely to cause or contribute to a serious injury should it recur.As such, this event meets the definition of a reportable event per 21 cfr part 803.The initial planning has been investigated and the bone density at the implant sites 7,8 and 9 have been compared: the bone density is much lower for implant 9; the bone is much porous at this implant site.The implant 9 was placed deeper because the porous bone did not create enough of a counterpressure to indicate the end of the osteotomy has reached.
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