Table 3. Comparison of the precision among systems.

Multiple Range Test for Precision by System
System	Mean	Homogeneous group
TrueDefinition	0.027	X
TRIOS3	0.029	X
CEREC Omnicam	0.034	X
CS3600	0.042	X
Open tray non-splinted	0.113	X
Open tray splinted	0.121	X
Closed tray	0.227	X

Method: 95.0 percent LSD. Within each column, the levels containing X’s for a group of means within there are not statistically significant differences.