Crown retention: in metal, ceramic: 95.4%; All ceramics: 91.2%; Cumulative rate of breakage of ceramic or acrylic veneers: 4.5% [44]
Perimplantitis: 9.7% [44] to 40% [45]
Mucositis around the implant: 50% [45]
Implant fraction: 0.14% [44]
Screw or bracket looseness: 12.7% [44]
Screw or abutment breakage: 0.35% [44]
Fixed complete dentures (bridges)
Gradual vertical bone loss but still functioning (chronic peri-implant inflammation): 8.5% [46]
Failure after the first year 5% in five years, 7% in ten years [46]
Cortical fracture in:
- 5 years: 13.5% [3] to 30.6%,[46]
- 10 years: 51.9% (32.3% to 75.5% CI 95%)[47]
- 15 years: 66.6% (44.3 to 86.4% with a 95% CI) [47]
10-year incidence of tire fracture: 6% (2.6 to 9.3% with a 95% confidence interval) [47]
10-year aesthetic deficiency rate: 6.1 (2.4 to 9.7% with a 95% confidence interval) [47]
Prosthetic stent removal: 5% over five years [46] to 15% over ten years.[47]
Removable (removable) dentures
Looseness of removable dentures: 33% [48]
Dentures needing relining or have a clamp fracture: 16 to 19%.[48]
