Journal of Dental Rehabilitation and Applied Science

Table. 2. Table 2

The median value and standard deviation of positive, negative average and overall discrepancies (Unit: mm)

	Group ST*		Group PO^†		Group DL^‡		Group SL^§
	Median	S.D.	Median	S.D.	Median	S.D.	Median	S.D.
Positive average	0.018	0.001	0.047	0.008	0.038	0.003	0.028	0.002
Negative average	-0.014	0.002	-0.025	0.001	-0.044	0.003	-0.016	0.001
Overall	0.015	0.002	0.031	0.003	0.042	0.003	0.017	0.001

* ST: Type Ⅳ dental stone, † PO: PolyJet, DL: Digital Light Processing, SL: Stereolithography.