From: Extra-short implants (≤ 6.5 mm in length) in atrophic and non-atrophic sites to support screw-retained full-arch restoration: a retrospective clinical study
Transepithelial abutment length (mm)
Implant length (mm)
Total
4.5
5.5
6.5
1.0
0
1
2
1.5
2.0
2.5
3
11
14
3.0
7
16
23
3.5
9
8
17
4.0
10
13
5.0
4
35
50
87