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) = 5.285714 p = 0.1520
Margin depth
N
Rank total
Mean rank
0
5
32.00000
6.40000
1
46.00000
9.20000
2
73.00000
14.60000
3
59.00000
11.80000