Marginal and Internal Fit of Cobalt-Chromium Fixed Dental Prostheses Generated from Digital and Conventional Impressions

Table 3

Cervical area discrepancy for conventional and digital impression techniques.

Impression technique	𝑛	Cervical area discrepancy (𝜇m)
		Premolar 34		Molar 36		FDP 34–36
		Mean	(SD)	Mean	(SD)	Mean	(SD)
Conventional	10	61	9.1	77	19.3	69	12.4
Digital	10	44	11.7	44	6.4	44	8.2
Significance (2-tailed) (𝑃<0.01)		0.003		<0.001		0.001