Digital versus Analog Procedures for the Prosthetic Restoration of Single Implants: A Randomized Controlled Trial with 1 Year of Follow-Up

Table 2

Implant distribution and number of failures and complications registered in the two groups (digital versus analog procedures).

	All implants	Treatment procedure		p-value
		Digital	Analog
N	50	25	25	-
Implant location
Maxilla	15/50 (30%)	6/25 (24%)	9/25 (36%)	0.35
Mandible	35/50 (70%)	19/25 (76%)	16/25 (64%)
Implant position
Premolars	22/50 (44%)	10/25 (40%)	12/25 (48%)	0.57
Molars	28/50 (56%)	15/25 (60%)	13/25 (52%)
Implant length
8 mm	7/50 (14%)	2/25 (8%)	5/25 (20%)	0.39
10 mm	32/50 (64%)	18/25 (72%)	14/25 (56%)
12 mm	11/50 (22%)	5/25 (20%)	6/25 (24%)
Implant diameter
4.1 mm	42/50 (84%)	20/25 (80%)	22/25 (88%)	0.44
4.8 mm	8/50 (16%)	5/25 (20%)	3/25 (12%)
Implant failures	0/50 (0%)	0/0 (0%)	0/0 (0%)	ne
Biologic complications	3/50 (6%)	1/25 (4%)	2/25 (8%)	0.55
Prosthetic complications	1/50 (2%)	1/25 (4%)	0/25 (0%)	0.31
Implant-crown success	46/50 (92%)	23/25 (92%)	23/25 (92%)	1.0

N = number of the fixtures examined.
= Chi-square test.
ne: not estimable (no observed failures).