Clinical Acceptability of the Internal Gap of CAD/CAM PD-AG Crowns Using Intraoral Digital Impressions

Table 1

Comparison of mean internal gap by two types of impression methods and by two types of fabrication methods (μm).

Fabrication	⁢Impression
	⁢Mean
	Intraoral digital	Conventional
CAD/CAM	77.7	67.7
Cast	75.6	68.4

and standard deviations in parentheses.
with the different letters are significantly different at 0.05 significance level.
Uppercased letters mean the comparison in the types of impression method and lowercased letters mean the comparison in the types of fabrication method.