Table 4: Mean values, standard deviation, deviation of intra-abutment distances from master model of all the groups

Intra-abutment distance		Master model						Group I						Group II						Group III						Group IV
		1		2		3		1		2		3		1		2		3		1		2		3		1		2		3
Mean (mm)		8.053		8.011		7.817		7.753		7.671		7.555		8.029		7.983	7.87			8.019	7.8		7.78			7.793		7.777		7.685
Standard deviation							-0.004		-0.005		-0.004		-0.004		-0.003		-0.003		-0.004		-0.004		-0.004		-0.083		-0.007		-0.007
Deviation from master							-0.300		-0.340		-0.262		-0.024		-0.028		-0.030		-0.034		-0.037		-0.037		-0.260		-0.234		-0.132
model (mm)
Deviation from master							-300		-340		-262		-24		-28		-30		-34		-37		-37		-260		-234		-132
model (μm)
Percent of deviation							-3.725		-4.244		-3.352		-0.298		-0.35		-0.384		-0.422		-0.473		-0.473		-3.229		-2.921		-1.689