(b).

Patient age—mean (restored arch)	Initial N of patients (n at the end of follow-up)	Initial N of rehabilitations (n of rehabilitations at the end of follow-up)	Initial N of implants (n of implants at the end of follow-up)	Implant diameter (implant length)	Loading	Prosthesis type
53.5 (mandible)	12 (12)	12 (12)	24 (24)	3.2 mm (11.5 mm)	Immediate <7 days and conventional	12 ovd on 2 implants
67.92 (mandible)	40 (40)	40 (40)	120 (120)	3 mm (12 mm)	Immediate <7 days	20 ovd on 2 implants; 20 ov on 4 implants
60.4 (mandible)	20 (20)	20 (20)	50 (50)	3.3 mm (10/12/14 mm)	Early 1-3 months	10 ovd on 2 implants/10 ov on 3 implants
68.5 (mandible)	24 (22)	24 (24)	48 (44)	3 mm (11 mm)	Early 1-3 months	ovd su 2 implants
64 (maxilla and mandible)	39 (23)	39 (23)	117 (69)	3.3 mm/3.25 mm (10/11.5/13/15 mm)	Conventional >3 months	ovd on 2 implants (mandible); old on 3 implants with bar or ball att. (maxilla)
67.5 (mandible)	30 (30)	30 (20)	60 (50)	2.9 mm (10 mm)	3 months	ovd on 2 implants
69 (mandible)	67 (61)	67 (61)	134 (122)	2.5 mm (09/12/15 mm)	Conventional >3 months	ovd on 2 implants
72 ± 8 (mandible)	91 (47)	91 (47)	182 (94)	3.3 mm (8/10/12/14 mm)	Early 1-3 months	ovd on 2 implants
69 (mandible)	75 (75)	75 (75)	150 (150)	3.3 mm (8/10/12/14 mm)	Early 1-3 months	ovd on 2 implants