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Forest plot showing standardised mean difference (SMD) comparing the overall marginal fit of crowns by CAD/CAM with controls included studies investigating the marginal fit of crowns using an intra-oral or laboratory scanners. [Ng et al., 2014; Neves et al., 2014; Anadioti et al., 2014; Abdel-Azim et al., 2015; Kim et al., 2016; Alqahtani 2017; Zeltner et al; 2017; Azar et al., 2018; Mostafa et al; 2018; Elrashid et al; 2019; Al Hamad et al; 2019; Lee et al; 2020].
