Table 4.
Summary of the included studies
| Study | Study design | Number of jaws | Total number of implants | Number of implants in maxilla | Number of implants in mandible | Implant Survival Rate (SR) | Prosthesis Survival Rate (SR) | Bone loss/follow up (mm/months) |
|---|---|---|---|---|---|---|---|---|
| Agliardi et al.[1] | Prospective | 24 | 96 | 96 | - | CSR 100% | CSR 100% | Axial implants (0.9±0.4/12) Tilted implants (0.8±0.5/12) |
| Agliardi et al.[2] | Prospective | 173 | 692 | 288 | 404 | CSR 98.36% maxilla CSR 99.73% mandible | Not reported | 0.9±0.7/12 maxilla 1.2±0.9/12 mandible No significant difference reported between tilted and axial implants |
| Babbush et al.[3] | Retrospective | 177 | 708 | 436 | 272 | CSR 99.3% maxilla CSR 100% mandible | CSR 100% | Not reported |
| Butura et al.[4] | Retrospective | 219 | 876 | - | 876 | Axial SR 99.54% Tilted SR 99.7% CSR 99.77% | SR 100% | Not reported |
| Capelli et al.[5] | Prospective | 24 | 96 | - | 96 | CSR 100% | SR 100% | Axial implants (0.82±0.64/12) Tilted implants (0.75±0.55/12) |
| Crespi et al.[6] | Prospective | 44 | 176 | 96 | 80 | Axial SR 100% Tilted SR 96.59% | SR 100% | Axial implants Axial implant in maxilla in mandible 1.02±0.35/12 1.04±0.30/12 1.08±0.41/24 1.04±0.35/24 1.10±0.45/36 1.06±0.41/36 Tilted implants Tilted implants in Mandible in Mandible 1.05±0.29/12 1.05±0.32/12 1.07±0.46/24 1.09±0.29/24 1.11±0.32/36 1.12±0.12/36 |
| Francetti et al.[7] | Prospective | 62 | 248 | - | 248 | CSR 100% | SR 100% | Axial implants (0.7±0.4/12) Tilted implants (0.7±0.5/12) |
| Francetti et al.[8] | Prospective | 16 | 64 | 64 | - | CSR 100% | SR 100% | Axial implants Tilted implants 0.40±0.27/12 0.32±0.28/12 0.44±0.37/24 0.63±0.38/24 0.85±0.74/36 0.85±0.34/36 |
| Hinze et al.[9] | Prospective | 37 | 148 | 76 | 72 | SR in maxilla 96.6% SR in mandible 98.7% | SR 100% | Axial implants (0.82±0.31/12) Tilted implants (0.76±0.49/12) |
| Landazuri-Del Barrio et al.[10] | Prospective | 16 | 64 | - | 64 | SR 100% | SR 93.75% | 0.13±0.03/0 0.83±0.14/12 |
| Malo et al.[11] | Prospective | 23 | 92 | 72 | 20 | CSR in maxilla 97.2% CSR in mandible 100% | - | 0.2±0.7/0 1.9±0.9/12 |
| Weinstein et al.[12] | Prospective | 20 | 80 | - | 80 | CSR 100/24 CSR 100/36 CSR 100/48 | CSR 100 | Axial implants 0.6±0.3/12 Tilted implants 0.7±0.4/12 |
| Malo et al.[13] | Retrospective | 242 | 968 | 242 | 968 | CSR 98.3/12 CSR 98.0/48 CSR 98.1/24 CSR 98.0/60 CSR 98.0/36 CSR 98.0/72 | Not clear | Axial implants 1.52±0.31/36 Tilted implants 1.95±0.44/60 |
| Galindo et al.[14] | Retrospective | 183 | 732 | - | 732 | SR 99.86% | SR 97.27% | On average: less than 1/12 |
| Malo et al.[15] | Retrospective | 32 | 128 | 128 | - | SR 97.6% | Not clear | 0.9±1.02/12 Axial implants 1.01±1.0/12 Tilted implants 0.9±1.1/12 |
| Balshi et al.[16] | Retrospective | 200 | 800 | 300 | 500 | CSR in maxilla 96.3% CSR in mandible 97.8% | CSR 99.0 | - |
| Di et al.[17] | Prospective | 86 | 344 | 152 | 192 | CSR 96.2/33.7 | CSR 96.5% | Axial implants 0.7±0.2 mm Tilted implants 0.8±0.4 mm |
| Malo et al.[18] | Prospective | 245 | 980 | - | 980 | CSR 98.3/12 CSR 96.3/96 CSR 98.3/24 CSR 94.8/108 CSR 98.6/36 CSR 94.8/120 CSR 98.5/48 CSR 94.8/132 CSR 98.4/60 CSR 98.1/72 CSR 97.9/84 | CSR 99.2% | Not reported |
| Aligardi et al.[19] | Prospective | 32 | 192 | 192 | - | CSR 98.96% | CSR 100% | Axial implants 1.55±0.31mm Tilted implants 1.46±0.19mm |
| Cavalli et al.[20] | Retrospective | 34 | 136 | 136 | - | CSR 100% | Not clear | Not reported |
| Lopes et al.[22] | Prospective | 23 | 92 | 72 | 20 | CSR 96.6% | 100% | 1.7mm/1yr 1.7mm/2yrs 1.9mm/3yrs |
| Browaeys et al.[23] | Prospective | 20 | 80 | 36 | 44 | CSR 100% | 100% | Axial Tilted implants implants 1.13±0.71/1 yr 1.55±o. 73 1.55±0.73/3yrs 1.67±1.22 |
| Krennmair et al.[27] | Retrospective | 38 | 152 | - | 152 | CSR 100% | - | Axial implants 1.17±0.26mm/5 yrs Tilted implants 1.24±0.8mm/5 yrs |
| Malo et al.[26] | Retrospective | 324 | 1296 | - | 1296 | CSR 95.4% | CSR 99.7% | Axial implants 1.74mm/5 yrs Tilted implants 1.76mm/5yrs |
| Malo et al.[70] | Retrospective | 14 | 56 | - | 56 | CSR 98.2% | CSR 100% | 0.6±0.6/? |