From: Influence of parallel pins on the angle deviation for placement of dental implants: an in vitro study
Study Group
n
Mean
SD
Minimum
Maximum
2PP
10
1.14
0.15
1.00
1.30
2withoutPP
6.44
2.68
2.80
10.30
4PP
2.07
0.80
2.82
4withoutPP
5.33
1.81
2.23
6.87
6PP
5.67
0.69
4.93
6.66
6withoutPP
5.68
1.51
3.90
7.73