Abstract: Many drawbacks such as the inability to collect complete data of the post space and low degree of digitization limit the application of full-digital and half-digital posts and cores technologies in clinical practice. This article aimed to introduce a novel technique for post and core digital impression acquisition. Computer-aided design/computer-aided manufacturing(CAD/CAM) was used to fabricate posts and cores in this novel technique. This novel digital post-and-core technology could produce customized posts and cores with better fitness and more suitable core shape.

Key words: Post and core, Digital impression, Computer-aided design/computer-aided manufacturing(CAD/CAM), 3D printing