Table 4b.

Biological and technical implant complications in the 2-year follow-up period (implant level).

	T1; Baseline (n = 13)	T2; 2 weeks (n = 11)	T3; 6 weeks (n = 9)	T4; 3 months (n = 10)	T5; 1 year (n = 13)	T6; 2 years (n = 9)
Modified gingival indexa	0 (0–2)	0 (0–2)	1 (0–2)	0 (0–3)	1 (0–2)	0 (0–2)
Probing depthb	2 (1.3–2.3)	1 (1–1.8)	1.5 (1.1–2.3)	2.4 (1.3–3.3)	1.8 (1–2.1)	1.8 (1.3–2.5)
Marginal bone heightb	0.7 (0.4–1.7)	0.9 (0.2–2)	1 (0.3–1.7)	0.9 (0.4–2)	0.9 (0.3–1.9)	0.3 (1–1.5)
Technical complications	–	–	0	2 (loosening of occlusal screw)	2 (occlusal wear)	5 (loosening of occlusal screw1, occlusal wear4)
Loss of osseointegration	0	0	0	0	0	0

^aMedian (minimum–maximum).

^bMedian (25th–75thq).