Table 1.
Ref. | Study | No. of subjects | No. of implants | No. of failures | Follow up | Site of implant insertion |
Alsaadi et al[19] | Retrospective | 187 | 29 OPO/691 CTL | 0 OPO/14 CTL | 2 yr | 388 max/332 mand |
Alsaadi et al[20] | Retrospective | 19 OPO/393 CTL | 68 OPO/1446 CTL | 9 (13.24%) OPO/92 (6.3%) CTL | 2 yr | 816 max/698 mand |
Amorim et al[24] | Prospective | 19 OPO/20 CTL | 39 OPO/43 CTL | 1 (2.56%) OPO/0 CTL | 9 mo | Mandible |
de Souza et al[21] | Retrospective | 6 OPO/186 CTL | 12 (50%) OPO/495 (71%) CTL | 12 (50%) OPO/203 (29%) CTL | Not mentioned | 354 max/368 mand |
With physiologic bone loss | with additional bone loss | |||||
Dvorak et al[25] | Cross-sectional | 46 OPO/16 OPE/115 CTL | 828 | 6 (13%) OPO/3 (18.75%) OPE/15 (13%) CTL | 6 ± 4 yr | 432 max/396 mand |
Peri-implantitis | 11 (23.9%) OPO/4 (25%) OPE/27 (23.5%) CTL | |||||
Eder et al[26] | Case report | 1 OPO | 6 | 0 | 5 yr | Mandible |
Friberg et al[22] | Retrospective | 14 OPO | 70 | 2 (2.85%) | 3.4 yr | 38 max/32 mand |
Holahan et al[23] | Retrospective | 41 OPO/57 OPE/94 CTL | 143 OPO/197 OPE/306 CTL | 10 OPO/10 OPE/17 CTL | 10 yr | 268 max/378 mand |
OPO: Subjects with osteoporosis; OPE: Subjects with osteopenia; CTL: Control: subjects with standard bone mineral density.