Table 1.

The scores of each evaluation item of both haptics and conventional simulators and the result of Wilcoxon Signed rank test.

		Evaluation items
		Occlusal surface form	Margin design	Surface smoothness	Taper angle	Total cut volume	Overall impression
Simulator (mean ± SD)	Haptics	2.7 ± 1.0	2.6 ± 1.1	2.7 ± 0.9	2.8 ± 1.1	2.6 ± 1.1	5.7 ± 1.6
	Conventional	2.8 ± 1.0	3.0 ± 1.1	3.1 ± 1.0	3.0 ± 1.0	2.9 ± 0.9	5.5 ± 1.5
Wilcoxon signed rank test	Z-score	−0.636	−2.730	−3.011	−1.143	−2.592	−0.292
	p-value	0.525	0.006	0.003	0.253	0.010	0.770
	Effect size	−0.08	−0.35	−0.39	−0.15	−0.34	−0.04