From: Influence of margin location and luting material on the amount of undetected cement excess on CAD/CAM implant abutments and cement-retained zirconia crowns: an in-vitro study
Kruskal-Wallis-Test: H (3, N = 20) = 9.015686 p = 0.0291
Margin depth
N
Rank total
Mean rank
0
5
50.00000
10.00000
1
32.00000
6.40000
2
43.00000
8.60000
3
85.00000
17.00000