From: Comparison of retention and fracture load of endocrowns made from zirconia and zirconium lithium silicate after aging: an in vitro study
Group
Mean
Standard deviation
Minimum
Maximum
P value
Fracture load (N) (n = 14)
 Zr
7395.07
1947.42
4689.00
11,141.00
0.002
 ZLS
1618.30
585.00
854.00
2752.00