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The results of the gap distances of test crowns measured from polyvinyl siloxane-replica method in (A) gap distance of axial walls, (B) gap distance of occlusion, (C) gap distance of central pit, and (D) total gap distance. MAN: manual group, CAM: CAD/CAM group, and 3DP: 3D printed group. The columns connected by horizontal bars were significantly different.
