Table 2. Comparison of the implant rotation over their axes for each group.

Multiple Range Test for Angle by System
System	Mean (degree of rotation)	Homogeneous groups
Open tray non-splinted	86.040	X
CEREC Omnicam	87.568	X  X
CS3600	88.259	X  X  X
Open tray splinted	88.939	X  X  X  X
Closed tray	90.296	X  X  X
TRIOS3	90.579	X  X
TrueDefinition	92.153	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.