From: Evaluation of crestal sinus floor elevation in cases exhibiting an oblique sinus floor with a residual bone height of 4.0–7.0 mm using Densah burs with simultaneous implant placement: a prospective clinical study
Variables
Group I
Group II
p value
Mean
SD
Final seating torque
33.71
1.50
37.38
1.92
0.001*
Elevation achieved
3.90
0.50
4.94
0.56
0.002*