What exactly are digital dentures, and how do they differ from traditional conventional dentures?
Definition and Core Differences:
- Digital dentures are complete dentures fabricated using computer-aided design (CAD) and computer-aided manufacturing (CAM) technologies rather than traditional manual laboratory techniques
- The fundamental difference lies in the fabrication process, not in abandoning proven prosthodontic principles
- Digital dentures utilize the same foundational concepts that have guided successful denture fabrication for nearly a century
Key Distinctions:
- Conventional process: impressions poured in stone, teeth manually arranged in wax, denture processed through flask procedures with heat and pressure
- Digital process: impressions scanned to create 3D digital models, software designs tooth arrangement with mathematical precision, fabrication through milling or 3D printing
- Each conventional step introduces potential errors through polymerization shrinkage, manual positioning inaccuracies, and material handling variables
- Digital workflows eliminate many traditional error sources while preserving all clinical records permanently
Material Considerations:
- Milled dentures use polymethylmethacrylate (PMMA), the exact same chemistry used since 1937
- The difference: milled PMMA is pre-polymerized under controlled industrial conditions
- This eliminates polymerization shrinkage that occurs during conventional processing
- Results in superior fit accuracy compared to conventionally processed dentures
- Printed dentures use specially formulated photopolymer resins FDA-cleared for intraoral use
- These materials have evolved dramatically since their introduction in 2015
Clinical Outcomes:
- Average digital denture workflow: 2.38 appointments versus 5+ for conventional
- Improved predictability through digital previews before fabrication
- Enhanced reproducibility with permanent digital record preservation
- Reduced chair time and fewer adjustment appointments
Additional Resources
For more information concerning the digital dentures:
Contact Information
For help with a digital denture solution for your next case, contact ROE Dental Laboratory:
- Phone: (216) 663-2233
- Email: info@roedentallab.com