“…55,67 Only 15 studies 11,13,18,22,29,45,46,55,63,71,81,83,89,107,111 provided information about postoperative infection, with 65 occurrences in a total of 2580 patients receiving 7745 implants. In total, 18 studies 12,14,29,30,39,44,65,74,75,78,91,99,[103][104][105][106]113,115 provided information about the marginal bone loss separated by groups and with mean values and standard deviation.…”