|
Number of patients
|
20
|
20
|
20
| |
|
Gender (male/female)
|
9/11
|
10/10
|
7/13
|
0.72
|
|
Age at the time of surgery, mean (SD)
|
55.5 year (SD 13.1)
|
57.3 year (SD 14.4)
|
58.4 year (SD 15.5)
|
0.81
|
|
Smoking habits
|
1
|
2
|
1
| |
|
Residual alveolar bone height (mm) at implant site, mean (SD)
|
4.7 (1.1)
|
4.9 (1.4)
|
4.6 (1.5)
|
0.77
|
|
Width of the alveolar ridge (mm) at implant site, mean (SD)
|
10.0 (2.2)
|
9.9 (1.8)
|
9.8 (1.5)
|
0.94
|
|
Location of missing tooth (first premolar)
|
1
|
2
|
1
| |
|
Location of missing tooth (second premolar)
|
3
|
6
|
2
| |
|
Location of missing tooth (first molar)
|
16
|
12
|
16
| |
|
Location of missing tooth (second molar)
|
0
|
0
|
1
| |
|
Patient drop-out before surgical intervention
|
0
|
0
|
0
| |
|
Number of implants with 3.6 mm diameter
|
6
|
2
|
1
| |
|
Number of implants with 4.2 mm diameter
|
9
|
6
|
12
| |
|
Number of implants with 4.8 mm diameter
|
5
|
12
|
7
| |
|
Intraoperative perforation of the Schneiderian membrane
|
4
|
4
|
1
| |
|
Minor epistaxis during the first postoperative days
|
4
|
0
|
1
| |
|
Hematoma
|
1
|
1
|
1
| |
|
Postoperative infection
|
0
|
0
|
1
| |
