Studying the Optical 3D Accuracy of Intraoral Scans: An In Vitro Study

Table 4

Descriptive statistics of measurements of various groups in the Z-axis.

Measurements	Groups	Mean	SD	95% CI for mean		Min	Max
				Lower bound	Upper bound
Z1	Control	2.014	0.023	1.985	2.042	1.99	2.04
	Trios 3A	2.018	0.037	1.971	2.064	1.96	2.06
	Trios 3B	1.998	0.047	1.938	2.057	1.96	2.08
	Dental Wings	1.990	0.063	1.911	2.068	1.88	2.04
Z2	Control	3.986	0.011	3.972	4.001	3.97	4.00
	Trios 3A	3.988	0.072	3.898	4.077	3.88	4.05
	Trios 3B	3.952	0.073	3.861	4.042	3.90	4.08
	Dental Wings	3.97	0.054	3.902	4.037	3.89	4.02
Z3	Control	6.15	0.137	5.979	6.32	5.97	6.32
	Trios 3A	5.906	0.209	5.645	6.166	5.71	6.19
	Trios 3B	5.978	0.011	5.964	5.991	5.96	5.99
	Dental Wings	6.142	0.155	5.949	6.335	5.92	6.31
Z4	Control	8.046	0.04	7.995	8.096	8.01	8.11
	Trios 3A	7.968	0.085	7.861	8.074	7.86	8.04
	Trios 3B	7.978	0.136	7.808	8.147	7.84	8.14
	Dental Wings	7.996	0.158	7.799	8.192	7.72	8.11

SD = standard deviation; CI = confidence interval for mean; min = minimum; max = maximum.