Craniofacial Prosthetic Design and Rehabilitation

Craniofacial prosthetics encompass the design and fabrication of artificial structures to restore anatomical form and function following congenital anomalies, trauma, oncological resections or disease. This multidisciplinary field bridges clinical prosthodontics, biomedical imaging, materials science and computer engineering. Traditional workflows relied on hand-crafted impressions, sculpting and manual colour matching, demanding extensive clinician expertise and prolonged patient visits. Recent decades have witnessed a paradigm shift towards digital workflows, integrating advanced three-dimensional imaging modalities, computer-aided design, statistical modelling and additive manufacturing. These innovations enable rapid, reproducible and patient-specific devices for ocular, auricular, nasal, orbital and complex maxillofacial defects. Global efforts have prioritised cost-effective capture methods—ranging from mobile-device photogrammetry to low-cost structured-light scanners—and streamlined software interfaces to broaden access beyond specialised centres. The overarching goals remain restoration of function (speech, mastication, vision support), aesthetic integration, biocompatibility, secure retention and enhanced quality of life for diverse patient populations.

Research from Nature Portfolio

Recent studies have delivered fully automated digital pipelines for custom ocular prostheses. One approach leverages optical coherence tomography data in conjunction with a statistical shape model to reconstruct missing eye geometry and employs contralateral-eye image analysis to procedurally generate accurate iris and scleral appearance. Multimaterial, full-colour three-dimensional printing then produces anatomically faithful prostheses with five-fold reductions in manual labour and highly consistent outcomes. Parallel work on orbital defect rehabilitation has evaluated rapid monoscopic photogrammetry via a mobile device against conventional computed tomography, demonstrating equivalent surface fidelity within minutes and markedly reduced patient discomfort during impression capture. Foundational semi-automated techniques have also combined three-dimensional scanning and sublimation-transfer printing to fabricate ocular inserts from biocompatible photopolymer resins, confirming cellular safety and streamlining the artistic component of prosthesis colouring.

Craniofacial Prosthetic Design and Rehabilitation publication trend

The graph below shows the total number of articles in craniofacial prosthetic design and rehabilitation across all publications each year (not limited to Nature Index journals).

Technical terms

Photogrammetry: A method that reconstructs three-dimensional geometry from two-dimensional photographs.

Statistical shape model: A mathematical representation of anatomical variability used to predict missing or incomplete structures.

Computer-aided design (CAD): Software tools for creating and modifying digital three-dimensional models of prosthetic devices.

Additive manufacturing: Layer-by-layer fabrication process, commonly known as three-dimensional printing.

Optical coherence tomography (OCT): High-resolution imaging technique using light waves to capture cross-sectional tissue structures.

Biocompatible photopolymer: Light-curable resin material suitable for medical applications in direct contact with living tissues.

References

1. Automatic data-driven design and 3D printing of custom ocular prostheses. Nature Communications (2024).
2. An automated parametric ear model to improve frugal 3D scanning methods for the advanced manufacturing of high-quality prosthetic ears. Computers in Biology and Medicine (2023).
3. Quantitate evaluation of photogrammetry with CT scanning for orbital defect. Scientific Reports (2024).
4. Monoscopic photogrammetry to obtain 3D models by a mobile device: a method for making facial prostheses. Journal of Otolaryngology (2016).
5. Semi-automated fabrication of customized ocular prosthesis with three–dimensional printing and sublimation transfer printing technology. Scientific Reports (2019).
6. Digital Workflow in Maxillofacial Prosthodontics—An Update on Defect Data Acquisition, Editing and Design Using Open-Source and Commercial Available Software. Applied Sciences (2021).
7. Systematic Review of Clinical Applications of CAD/CAM Technology for Craniofacial Implants Placement and Manufacturing of Nasal Prostheses. International Journal of Environmental Research and Public Health (2021).