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Current challenges for 3D printing complete dentures: experiences from a multi-centre clinical trial.
Cecilie Osnes1, Krishan Davda2, T Paul Hyde2
1School of Dentistry, University of Leeds, UK. c.a.osnes@leeds.ac.uk.
British Dental Journal
|August 9, 2023
Summary
Developing 3D printing dentures is feasible, with 3D-printed baseplates preferred by clinicians. While patient comfort favored conventional dentures, further research is needed to optimize this digital fabrication method.
Area of Science:
- Dental Materials Science
- Digital Dentistry
- Prosthodontics
Background:
- Conventional denture fabrication is a well-established process.
- Advancements in digital technologies, including 3D printing, offer potential improvements in dental prosthetics.
- Optimizing clinical and laboratory protocols for 3D printing dentures is crucial for widespread adoption.
Purpose of the Study:
- To develop and evaluate an optimal clinical and laboratory protocol for fabricating 3D printing dentures.
- To compare the feasibility and outcomes of 3D-printed dentures against conventional dentures.
Main Methods:
- A prospective feasibility study conducted across three UK dental schools.
- Each patient received both a conventional and a 3D-printed denture, using identical impressions and jaw registrations.
- Investigated digitisation methods and the use of 3D-printed baseplates for jaw registration.
Main Results:
- Clinicians expressed a strong preference for 3D-printed baseplates.
- Patients reported similar retention and stability between conventional and 3D-printed dentures.
- A higher number of patients favored conventional dentures over 3D-printed ones concerning comfort.
Conclusions:
- Combining conventional clinical procedures with digital techniques for 3D-printed denture fabrication is feasible.
- 3D-printed baseplates present a cost-effective alternative for the jaw registration stage.
- Challenges in tooth positioning and occlusion management require further investigation; the current 3D printing workflow is not superior to conventional methods.
