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

Table 1

Mean internal discrepancy in μm and standard deviation (SD) between abutment surface and inside surface of FDP produced with conventional and digital impression techniques.

Impression technique	𝑛	Internal discrepancy to master model (𝜇m)
		Premolar 34		Molar 36		FDP 34–36
		Mean	(SD)	Mean	(SD)	Mean	(SD)
Conventional	10	100	6.7	127	15.7	117	11.6
Digital	10	91	8.8	95	8.5	93	8.2
Significance (2-tailed) (𝑃<0.01)		0.016		<0.001		<0.001