Graphy advances high-performance 3D printing in digital dentistry

Graphy’s alcohol-free post-processing workflow uses Tera Harz Spinner to remove residual unpolymerised resin, eliminating conventional isopropyl alcohol cleaning, and Tera Harz Cure provides post-polymerisation under nitrogen, helping to prevent microporosity and reducing water absorption, discoloration and odour. According to the company, post-polymerisation under nitrogen supports a high degree of conversion, helping to minimise the release of residual material and maximise mechanical strength and long-term intra-oral stability.

From a materials perspective, Graphy’s 3D-printing resins offer a balance of durability, flexibility and strength. High elongation and wear resistance are intended to help restorations withstand repetitive loading, to reduce the risk of microcrack formation and deformation, and to maintain smooth surface integrity over time. Compared with traditional zirconia-based solutions, the lower density of these materials may also contribute to improved patient comfort, alongside a precise anatomical fit.

Clinically, the materials are designed to replicate aspects of the biomechanical behaviour of natural dentition. According to Graphy, their elastic modulus supports shock absorption under occlusal load, helping to reduce stress concentration at the implant–bone interface and supporting stable functional outcomes. This biomimetic performance is intended for a wide range of applications, from ultra-thin veneers to long-span restorations, such as bridges and all-on-X prostheses, in which flexural stress distribution and fracture resistance are critical. The company also states that the materials’ wear characteristics closely resemble those of natural enamel, helping to protect opposing dentition. Unlike conventional rigid prostheses that often require full replacement after fracture, these 3D-printed restorations can be repaired chairside, reducing treatment time and operational burden.

Graphy’s materials are formulated without methyl methacrylate, bisphenol A or the photoinitiator TPO and support multilayer optical replication for natural-looking restorations. The company’s portfolio is supported by peer-reviewed research and regulatory clearances and certifications for selected products, including US Food and Drug Administration 510(k) clearance and CE marking for Tera Harz Clear. Graphy offers its digital dentistry portfolio within an open, hardware-compatible ecosystem.

A notable innovation within Graphy’s denture workflow is the capability of chemically bonding printed denture teeth to denture bases using the denture base resin rather than a separate adhesive. The assembled components are then polymerised, simplifying fabrication and reducing the risk of debonding, a common limitation in conventional prosthetic manufacturing.

As digital dentistry continues to evolve, Graphy’s approach reflects a broader industry shift towards integrated, scalable and data-driven treatment systems. By aligning material performance, manufacturing consistency and clinical workflows, the company is positioning itself not only as a materials provider but also as a workflow partner in the next phase of digital innovation. More information on Graphy’s materials and global partnership opportunities is available on the company’s website.