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) = 5.194286 p = 0.1581
Margin depth
N
Rank total
Mean rank
0
5
34.00000
6.80000
1
51.00000
10.20000
2
49.00000
9.80000
3
76.00000
15.20000