“Effect of Palatal Metal Collar’s Height on Fracture Resistance of Single Metal-Ceramic Crowns”

Table 3

Descriptive statistics of fracture load values (N).

Groups (mm)	Minimum (N)	Maximum (N)	Mean (SD) (N)
Palatal collar height at 0 mm (C0)	612.6	895	775.6^a (83.43)
Palatal collar height at 1.0 mm (C1)	995.6	1199.2	1103.783^b (75.26)
Palatal collar height at 1.5 mm (C2)	1201.2	1509.1	1344.883^c (96.09)
Palatal collar height at 2.0 mm (C3)	1208.3	1505.5	1366.100^c (96.49)

Different superscript letters indicate significant difference at .