Research on the application of Accuracy control technology for 3D printed ceramic dentures

Yibo Cao

International Journal of Chemistry and Materials Science, 2026, vol. 3, issue 1, 28-35

Abstract: The rapid advancement of additive manufacturing has revolutionized restorative dentistry, yet achieving precise dimensional fidelity in 3D-printed ceramic dentures remains a significant clinical and engineering challenge. This paper first analyzes the key factors affecting the accuracy of ceramic dentures from four critical dimensions: data acquisition in the digital modeling stage, the precise setting of 3D printing process parameters, the inherent rheological characteristics of ceramic slurry materials, and the complex dimensional changes occurring during the debinding and sintering phases. To systematically address these technical issues, a robust modeling accuracy control method based on advanced digital compensation is proposed. This methodology includes comprehensive strategies for overall dimensional shrinkage compensation alongside targeted accuracy compensation in key local anatomical areas. Furthermore, engineering optimization schemes are extensively explored, focusing on the coordinated setting of printing process parameters-such as layer thickness and exposure parameters-as well as the strategic orientation of the printing direction and the meticulous design of support structures. In the critical debinding and sintering stages, sophisticated temperature control strategies, including segmented heating protocols and optimized heat preservation curves, are developed to effectively mitigate structural deformation caused by residual thermal stress. By implementing these comprehensive accuracy control technologies, the dimensional accuracy, mechanical integrity, and ultimate clinical fit of 3D-printed ceramic dentures can be significantly improved, thereby offering a highly reliable and scalable solution for modern digital dentistry applications.

Keywords: 3D printing; ceramic dentures; accuracy control; digital compensation; sintering; process optimization (search for similar items in EconPapers)
Date: 2026
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