Table 1 Characteristics of the included studies.
First author, year, country | Study design (level of evidence - risk of bias) | Population | Groups | Implant site | Implant prosthesis span | Follow-up (months) |
|---|---|---|---|---|---|---|
Alassah et al., 2022, Syria | Double blind splitmouth randomised controlled trial (II-low) | Implants: 24 Males: 2 Females: 7 Age: 51 ± 12.6 | Implants: 12 Protocol: Early non-occlusal loading vs Implants: 12 Protocol: Early occlusal loading | Mandibular Posterior | NR | 12 |
Vogl et al., 2019, Austria | Single blind randomised controlled trial (II-low) | Implants: 19 Males: 7 Females: 12 Age: 54 ± 11.9 (33–70) | Implants: 11 Protocol: Immediate non-occlusal loading vs Implants: 8 Protocol: Immediate occlusal loading | Mandibular Posterior | Combination (both single crowns and short bridges) | 36 |
Esposito et al., 2018, Italy | Single blind randomised controlled trial (II- moderate) | Implants: 40 Males: 19 Females: 21 Age: 43.4 (18–65) | Implants: 20 Protocol: Immediate non-occlusal loading vs Implants: 20 Protocol: Immediate occlusal loading | Mandibular & Maxillary Posterior | Single-unit crown | 36 |
Degidi et al., 2010, Italy | Single blind randomised controlled trial (II-moderate) | Implants: 100 Males: NR Females: NR Age: 45.1 ± 9.1 | Implants: 50 Protocol: Immediate non-occlusal loading vs Implants: 50 Protocol: Immediate occlusal loading | Mandibular Posterior | Single-unit crown | 36 |
Cannizzaro et al., 2010, Italy | Multi-centre single blind randomised controlled trial (II-low) | Implants: 35 Males: 17 Females: 23 Age: 38.5 (18–55) | Implants: 18 Protocol: Immediate non-occlusal loading vs Implants: 17 Protocol: Immediate occlusal loading | Mandible & Maxilla | Single-unit crown | 12 |
Degidi et al., 2009, Italy | Single blind randomised controlled trial (II-low) | Implants: 60 Males: 27 Females: 33 Age: 31.5 ± 11.8 (18–55) | Implants: 30 Protocol: Immediate non-occlusal loading vs Implants: 30 Protocol: Immediate occlusal loading | Maxillary Anterior | Multi-unit bridge | 36 |
Lindeboom et al., 2006, Netherlands | Randomised controlled trial (II-moderate) | Implants: 50 Males: 17 Females: 31 Age: 42.3 ± 13.1 (19–78) | Implants: 25 Protocol: Immediate non-occlusal loading vs Implants: 25 Protocol: Immediate occlusal loading | Maxillary Anterior | Single-unit crown | 12 |
Appleton et al., 2004, Taiwan | Randomised controlled trial (II-high) | Implants: 20 Males: NR Females: NR Age: NR | Implants: 10 Protocol: Delayed progressive (non-occlusal loading) vs Implants: 10 Protocol: Delayed occlusal loading | Maxillary Posterior | Single-unit crown | 12 |
