Immediate Loading of Single Implants in the Anterior Maxilla: A 1-Year Prospective Clinical Study on 34 Patients

Table 2

Distribution of the implants.

	Number of implants (%)
Surgical protocol
Postex. sockets	14 (32.6%)	0.022
Healed sites	29 (67.4%)
Position
Incisors	11 (25.6%)	<0.0001
Cuspids	4 (9.3%)
Premolars	28 (65.1%)
Length
10.0 mm	3 (7.0%)	0.010
11.5 mm	9 (20.9%)
13.0 mm	13 (30.2%)
15.0 mm	18 (41.9%)
Diameter
3.5 mm	15 (34.9%)	0.026
4.0 mm	16 (37.2%)
4.5 mm	8 (18.6%)
5.0 mm	4 (9.3%)
Bone regeneration
Yes	37 (86.0%)	<0.0001
No	6 (14.0%)
Connective tissue graft
Yes	10 (23.3%)	0.0005
No	33 (76.7%)
Total	43	—

= Chi-square test.