What is Dental CAD/CAM? A Complete Guide
Short answer
Dental CAD/CAM means computer-aided design and computer-aided manufacturing. The chain starts with a scan, continues through design software, and ends in milling or printing to produce the physical restoration; for zirconia a sintering stage is added at the end. Most errors accumulate at the handover points between stages rather than within any one stage.
CAD/CAM stands for Computer-Aided Design and Computer-Aided Manufacturing. In dentistry it replaces traditional impressions and manual fabrication with a precise digital chain, improving quality, speed and repeatability.
How the CAD/CAM chain works
1. Digital scanning
An intraoral scanner or lab scanner captures an accurate 3D model and outputs an STL file — no physical impression required.
2. Design (CAD)
In the design software, the technician models the crown, bridge, abutment or veneer with precise control of anatomy and occlusion.
3. Manufacturing (CAM) — milling or printing
The design is sent to a CAD/CAM milling machine that cuts the restoration from zirconia or other materials. A sintering furnace then brings zirconia to final strength.
Advantages over traditional workflows
Higher accuracy and repeatability, no impression errors, faster turnaround, digital archiving, and easier collaboration between clinic and lab.
What equipment do you need to start?
A full workflow typically combines a scanner, design software, a milling machine and (for zirconia) a sintering furnace. You can equip step by step. Explore our full catalog on the Products page.
Tip: CAD/CAM success depends on component compatibility — an open-output scanner with matching software and milling avoids future headaches.
Dentiva recommendation
Dentiva supplies the full CAD/CAM chain — scanners, milling machines, sintering furnaces and materials — CE-certified, with expert consultation and support.
Frequently asked questions
What does CAD/CAM mean in dentistry?
CAD is computer-aided design and CAM is computer-aided manufacturing. In a dental workflow that means designing the restoration in software and then producing it by milling or printing, rather than waxing and casting it by hand.
What equipment do I need to start with CAD/CAM?
At minimum a scanner to digitise the case, CAD software to design it, and a milling machine or printer to produce it. For zirconia you also need a sintering furnace, because the restoration only reaches final strength and shade after firing.
Where do most CAD/CAM errors come from?
Usually at the handover points between stages rather than inside any one stage — a scan that transfers badly, or a shrinkage factor that was not entered correctly at the design step.
Do I need to buy everything at once?
No. Most labs start with scanning and design, which digitises the incoming work, and add milling and sintering later. Buying a milling machine before you have a source of digital files leaves it without input.
Key takeaways
- CAD is design, CAM is manufacture; both are links in one chain.
- The chain is scan → design → mill or print → (for zirconia) sinter.
- Errors accumulate at handover points between stages, not inside them.
- An open file format simplifies transfer between clinic and lab.
- The zirconia shrinkage factor must be entered at the CAD stage.