Table 4.

Objectivity expressed as between-examiner differences identified for each method

Objektivität ausgedrückt als Unterschiede zwischen den Prüfenden, die für jede Methode identifiziert wurden

	Stone casts (n = 30)			Paired t-test	Digital models (n = 30)			Paired t-test
Parameter	Examiner 1 Mean	Examiner 2 Mean	∆	p-value	Examiner 1 Mean	Examiner 2 Mean	∆	p-value
ALD UJ (mm)	0.82	0.68	+0.14	< 0.01**	0.33	0.12	+0.21	0.08
ALD LJ (mm)	0.47	0.03	+0.44	< 0.01**	0.91	0.48	+0.43	< 0.01**
Overbite (mm)	3.43	3.34	+0.09	< 0.05*	2.39	2.46	−0.07	< 0.01**
Overjet (mm)	4.69	4.43	+0.26	< 0.01**	5.24	5.31	−0.07	0.29
McNamara (mm)	33.52	33.59	−0.07	0.12	32.34	34.17	−1.83	< 0.01**

ALD arch length discrepancy, UJ upper jaw, LJ lower jaw, ∆ difference of means from deviations

*Difference statistically significant at p < 0.05, **difference highly significant at p < 0.01