From: A 1–7 year retrospective follow-up on consecutively placed 7-mm-long dental implants with an electrowetted surface
Interval
Implants
Failed
Not followed
CSR (%)
Insertion to 1 year
86
2
3
97.7
1 to 2 years
81
0
19
2 to 3 years
62
6
3 to 4 years
56
4 to 5 years
50
16
5 to 6 years
34
1
94.8
6 to 7 years
17
15
7 years
–