Table 5.
Implant survival rate associated with tested variables at follow-up.
| Implant Survival Rate: | Yes (n = 784) |
No (n = 8) |
p-Value |
|---|---|---|---|
| Sex (F vs. M), no (%) | 445 (56.76) | 2 (25) | 0.085 |
| Smoker, no (%) | 215 (27.42) | 6 (75) | 0.007 |
| No. of cigarettes/day ≥ 10, no (%) | 205 (26.15) | 6 (75) | 0.006 |
| Diabetes, no (%) | 18 (2.3) | 0 (0) | 1 |
| Osteoporosis, no (%) | 58 (7.4) | 0 (0) | 1 |
| Periodontal diagnosis at baseline, no (%) | 0.234 | ||
| Stage 1: | 82 (11.47) | 0 (0) | |
| Stage 2: | 193 (26.99) | 0 (0) | |
| Stage 3: | 210 (29.37) | 4 (66.67) | |
| Stage 4: | 230 (32.17) | 2 (33.33) | |
| Treated periodontitis, no (%) | 479 (61.1) | 0 (0) | <0.001 |
| Periodontal diagnosis at baseline and treatment no (%) | <0.001 | ||
| Stage 1,2 untreated: | 91 (12.73) | 0 (0) | |
| Stage 1,2 treated: | 184 (25.73) | 0 (0) | |
| Stage 3,4 untreated: | 145 (20.28) | 6 (100) | |
| Stage 3,4 treated: | 295 (41.26) | 0 (0) | |
| Implant type (BEGO vs. MEGAGEN), no (%) | 76 (9.69) | 0 (0) | 1 |
| Prosthetics, no (%) | 0.065 | ||
| Cemented: | 275 (35.08) | 0 (0) | |
| OD: | 112 (14.29) | 2 (25) | |
| Screw: | 397 (50.64) | 6 (75) | |
| Loading no (%) | <0.001 | ||
| Conventional: | 563 (71.81) | 1 (12.5) | |
| Early: | 107 (13.65) | 2 (25) | |
| Immediate: | 114 (14.54) | 5 (62.5) | |
| No of prosthetic units/implant ≤ 3, no (%) | 775 (98.85) | 8 (100) | 1 |
| Implant position, no (%) | 0.213 | ||
| Mandibular anterior: | 53 (6.76) | 0 (0) | |
| Mandibular posterior: | 294 (37.5) | 1 (12.5) | |
| Maxillary anterior: | 121 (15.43) | 3 (37.5) | |
| Maxillary posterior: | 316 (40.31) | 4 (50) | |
| Bone reconstruction before implant placement, no (%) | 0.674 | ||
| Iliac crest: | 9 (1.15) | 0 (0) | |
| GBR: | 11 (1.4) | 0 (0) | |
| No: | 609 (77.78) | 7 (87.5) | |
| Onlay graft: | 43 (5.49) | 0 (0) | |
| Alveolar grafting: | 40 (5.11) | 1 (12.5) | |
| Buccal reconstruction: | 5 (0.64) | 0 (0) | |
| Sinus lift: | 66 (8.43) | 0 (0) | |
| Bone reconstruction and implant placement, no (%) | 0.184 | ||
| No: | 418 (53.32) | 3 (37.5) | |
| Onlay graft: | 0 (0) | 0 (0) | |
| Alveolar grafting: | 66 (8.42) | 0 (0) | |
| Buccal reconstruction: | 246 (31.38) | 3 (37.5) | |
| Sinus lift: | 36 (4.59) | 2 (25) | |
| Socket shield: | 3 (0.38) | 0 (0) | |
| Splitting: | 15 (1.91) | 0 (0) | |
| Free gingival graft, no (%) | 60 (7.65) | 0 (0) | 1 |
| Connective tissue graft, no (%) | 73 (9.31) | 0 (0) | 1 |
| Healing (Open vs. close), no (%) | 220 (28.06) | 8 (100) | <0.001 |
| Recall at a specialized clinic, no (%) | 537 (68.49) | 4 (50) | 0.272 |
| Periodontal check-up at specialized clinic, no (%) | 521 (66.45) | 4 (50) | 0.453 |
OD, overdenture; GBR, guided bone regeneration.