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Table 2 Clinical parameters and reason for implant failures of 15 implants in 12 patients

From: Retrospective cohort study of a tapered implant with high primary stability in patients with local and systemic risk factors—7-year data

Region Systemic RF Local RF Immediate procedure Bone grafting Time of failure (months) Reason
26 No Periodontitis Immediate restoration No 5 Screw fracture
15 Marfan syndrome No No Yes 39 Peri-implantitis
14 No No No No 1 Loss of osseointegration
22 No Defect Immediate placement Yes 3 Loss of osseointegration
15 No Former impl. removal Immediate placement Yes 10 Loss of osseointegration
22 No Defect No Yes 3 Loss of osseointegration
24 No Periodontitis Immediate placement/restoration Yes 28 Peri-implantitis
12 Radiochemotherapy Defect No Yes 3 Loss of osseointegration
13 Radiochemotherapy Defect No Yes 3 Loss of osseointegration
22 Radiochemotherapy Defect No Yes 3 Loss of osseointegration
23 Radiochemotherapy Defect No Yes 3 Loss of osseointegration
23 No No Immediate placement/restoration Yes 4 Loss of osseointegration
22 Diabetes No Immediate restoration No 1 Occlusal trauma
12 No Defect Immediate placement Yes 1 Loss of osseointegration
32 No No No No 1 Loss of osseointegration