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A Pilot Randomised Controlled Trial to Compare 3D Printed Versus Conventionally Fabricated Complete Dentures
The European Journal of Prosthodontics and Restorative Dentistry
|August 22, 2025
Summary
Conventional dentures were preferred over 3D printed dentures in this pilot trial due to issues with 3D printed denture reliability and structural failures. Further refinements are needed for 3D printing in prosthodontic care.
Area of Science:
- Dental prosthetics
- Biomaterials engineering
- Digital dentistry
Background:
- 3D printing technology offers potential for custom denture fabrication.
- Conventional complete dentures are the current standard of care.
Purpose of the Study:
- Assess acceptability of 3D printed vs. conventional dentures.
- Determine sample size for a full-scale trial.
- Refine digital fabrication and trial protocols.
Main Methods:
- Pilot randomized controlled trial with a double-blinded, cross-over design.
- 17 participants (complete denture wearers, age 60+).
- Comparison of 3D printed and conventional dentures over 8-week periods, measuring comfort, retention, stability, and chewing efficiency using OHIP-EDENT.
Main Results:
- A sample size of 35 is recommended for a definitive trial.
- Participants showed a preference for conventional dentures.
- 3D printed dentures experienced issues with tooth placement and structural failures, including breakages and debondings.
Conclusions:
- 3D printed dentures require technical and protocol refinements for routine use.
- Lower patient satisfaction and material challenges were observed with 3D printed dentures.
- Conventional dentures remain the more reliable option until fabrication issues are resolved.
