Table 1 Descriptive data of the implants included in the study, separated by group. The statistical unit is the implant
Factor | Prostheses without cantilever (%) | Prostheses with cantilever (%) | p value |
|---|---|---|---|
Patients/Implants (n) | 102a/333 | 43a/94 | |
Follow-up (months) (mean ± SD, min–max) | |||
Clinical | 154.6 ± 77.5 (37.3–364.6) | 152.4 ± 80.1 (56.7–315.4) | 0.645b |
Radiological | 131.1 ± 77.4 (36.8–329.9) | 139.0 ± 77.0 (38.0–300.6) | 0.202b |
Age (years) | |||
Mean ± SD | 58.8 ± 14.1 | 58.4 ± 12.3 | 0.486b |
< 56 | 101 (30.4) | 32 (33.7) | |
56.0–65.9 | 116 (34.8) | 33 (34.7) | 0.780c,d |
≥ 66 | 116 (34.8) | 30 (31.6) | |
Sex | |||
Male | 16 (43.8) | 45 (47.4) | 0.542c,d |
Female | 187 (56.2) | 50 (52.6) | |
Jaw | |||
Maxilla | 107 (32.1) | 50 (52.6) | < 0.001c,d |
Mandible | 226 (67.9) | 45 (47.4) | |
Jaw position | |||
Anterior | 21 (6.3) | 3 (3.2) | 0.239c,d |
Posterior | 312 (93.7) | 92 (96.8) | |
Implant surface | |||
Turned | 214 (64.3) | 45 (47.4) | 0.003c,d |
Modified | 119 (35.7) | 50 (52.6) | |
Implant diameter | |||
< 3.75 mm | 18 (5.4) | 9 (9.5) | |
3.75 mm | 287 (86.2) | 67 (70.5) | 0.001c,d |
> 3.75 mm | 28 (8.4) | 19 (20.0) | |
Prosthesis fixationc | |||
Cemented | 2 (0.6) | 2 (2.1) | 0.219c,e |
Screwed | 326 (99.4) | 93 (97.9) | |
Bone quantity | |||
A–B | 222 (66.7) | 66 (69.5) | 0.607c,d |
C–D–E | 111 (33.3) | 29 (30.5) | |
Bone quality | |||
1–2 | 144 (43.2) | 36 (37.9) | 0.352c,d |
3–4 | 189 (56.8) | 59 (62.1) | |
Smokingf | |||
No | 210 (80.5) | 55 (71.4) | 0.091c,d |
Yesg | 51 (19.5) | 22 (28.6) | |
Bruxismf | |||
No | 229 (86.7) | 65 (86.7) | 0.986c,d |
Yes | 35 (13.3) | 10 (13.3) | |
Diabetesf | |||
No | 235 (78.9) | 63 (65.7) | 0.078c,d |
Yes | 23 (21.1) | 12 (34.3) | |