Table 1.

Patient characteristics

Patient characteristics	Total (n = 95)
Sex (female)	57 (60%)
Age (years)	63.4 ± 10.3 (range 28–86)
Follow-up time (years)	10 ± 0.3 (range 9.5–10.7)
Smoking at reexamination
Current smoker	9 (9.5%)
Former smoker	42 (44.2%)
Never smoker	44 (46.3%)
Educational status
Secondary school graduates	95 (100.0%)
College/university graduates	54 (56.8%)
Position of implants
Anteriors	28 (29.5%)
Premolars	35 (36.8%)
Molars	32 (33.7%)
Prosthetic treatment
Implant supported single crown	63 (66.3%)
Implant supported fixed prosthesis	27 (28.4%)
Removable denture	5 (5.3%)
Number of implants	2.5 ± 1.6 (range 1–9)
Implant type
XiVE	84 (88.4%)
Frialit	11 (11.6%)
Peri-implantitis at reexamination
No peri-implantitis	41 (43.2%)
Mild peri-implantitis	38 (40.0%)
Moderate/severe peri-implantitis	16 (16.8%)

^‡Chronic periodontitis, ^§aggressive periodontitis