TABLE 1. Summary of the results obtained for fracture resistance.

Groups	N	Fracture load (N) [mean (SD)]
Biconvex design	10	349.71 (80.49)ab
Convex design	10	438.20 (117.27)a
Concave design	10	300.78 (100.23)b

Different letters indicate statistically significant difference at 5% level