Fracture Strength of Aged Monolithic and Bilayer Zirconia-Based Crowns

Table 1

One-way ANOVA test results for fracture strength effect indicating significant difference amongst the groups.

Source	Sum of squares	df	Mean square
Between groups	12563505.80	2	6281752.900	7.571	.002
Within groups	22401284.20	27	829677.193
Total	34964790.00	29