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

Table 2

Absolute marginal gap between finish line and crown margin for conventional and digital impression techniques.

Impression technique	𝑛	Absolute marginal gap (𝜇m)
		Premolar 34		Molar 36		FDP 34–36
		Mean	(SD)	Mean	(SD)	Mean	(SD)
Conventional	10	140	30.9	154	19.0	147	22.6
Digital	10	146	44.5	139	24.7	142	32.6
Significance (2-tailed) (𝑃<0.01)		0.788		0.100		0.425