Maxillary defects are commonly repaired with hollow obturators. Conventional prosthetic fabrication techniques are characterized by intricate workflows, high technical sensitivity, and a requirement for multiple patient follow-up visits. In recent years, exploring the application of digital technologies in prosthetic rehabilitation for jaw defects has emerged as a research hotspot in this field. This report introduces a digital workflow for fabricating hollow prostheses, which involves acquiring three-dimensional (3D) oral models via digital scanning, digitally designing and fabricating individual components of the hollow prosthesis using computer-aided design and computer-aided manufacturing (CAD-CAM) techniques, and completing the final hollow prosthesis via extraoral assembly and bonding with auto-polymerizing resin. This approach achieves the clinical outcome of completing maxillary defect rehabilitation in a single follow-up visit. Featuring excellent reproducibility and reduced technical sensitivity, this technique is easy to popularize and apply. It is an innovative supplement to traditional prosthetic fabrication methods and boasts broad clinical application prospects.
Zhu et al. (Wed,) studied this question.
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