From: Comparative SEM analysis of nine F22 aligner cleaning strategies
Method
Length
Mean
SD
1
5
150.1
9.492
2
117.3
7.334
3
120.1
11.63
4
120.2
14.57
127.8
17.6
6
127.5
12.25
7
123
10.28
8
119.6
5.865
9
80.55
4.232