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How to Choose the Right Lab Scanners for Your Practice
- Scanning Technology and Accuracy — Structured-light (blue LED) scanners capture a full model in a single projected pattern, while laser-triangulation scanners build the surface point-by-point; both typical desktop lab scanners achieve 5–20 µm accuracy, which directly affects marginal fit on the final restoration.
- Open vs Closed STL Export — Open-architecture scanners export unrestricted STL files usable in exocad, 3Shape Dental System, or Dental Wings, while closed systems lock output to the manufacturer's own design and milling ecosystem — a decisive factor for labs working with multiple CAD software packages.
- Field of View and Scan Area — A larger single-capture field of view reduces the number of stitched partial scans needed for a full-arch model, lowering cumulative stitching error compared with scanners that require multiple overlapping captures.
- Articulator and Facebow Module Support — Scanners with a dedicated articulator-mounting jig let the technician digitize the full articulated case — including bite registration and condylar relationship — rather than scanning upper and lower models in isolation.
- Texture and Colour Capture — Scanners with an integrated colour camera capture shade and texture alongside geometry, useful for communicating natural dentition characteristics to the ceramist during layered restoration design.
- Software Compatibility — Confirm the scanner's driver supports the lab's existing CAD software version before purchase — a scanner that outputs only proprietary formats forces a full software migration if the lab later needs to switch design platforms.
Lab Scanners Types at a Glance
| Scanner Class | Typical Accuracy | Export Format | Best Suited For |
|---|---|---|---|
| Entry-level structured-light | 15–20 µm | Open STL | Single-unit crown and bridge labs |
| Mid-range structured-light | 8–15 µm | Open STL | Multi-unit and implant case labs |
| High-end laser/structured-light | 5–8 µm | Open STL, texture capture | Full-arch, esthetic, and CAD/CAM-heavy labs |
Availability & Delivery in Egypt
MedSTA supplies desktop dental lab scanners in EGP with delivery to dental laboratories across Cairo, Giza, Alexandria, and all Egyptian governorates. Because scanner calibration is sensitive to handling during transit, units are shipped in manufacturer packaging with setup guidance provided on delivery.
Frequently Asked Questions
Structured light versus laser triangulation lab scanners — what is the difference?
Structured light versus laser triangulation lab scanners — what is the difference?
Structured-light scanners project a striped or grid light pattern and capture the whole surface in a single frame, generally scanning faster; laser-triangulation scanners sweep a single laser line across the model, which can be marginally more accurate on complex undercuts but takes longer per model. Most modern desktop lab scanners now use structured light for its speed advantage.
Open STL versus closed system scanners — which should I choose?
Open STL versus closed system scanners — which should I choose?
An open-system scanner exports unrestricted STL files that work in any CAD software (exocad, 3Shape, Dental Wings), giving the lab freedom to switch design or milling partners later. A closed system is often cheaper upfront but locks the lab into one manufacturer's software and milling ecosystem, which limits flexibility as case volume grows.
What accuracy is needed for crown and bridge work versus full-arch implant cases?
What accuracy is needed for crown and bridge work versus full-arch implant cases?
Single-unit crown and bridge restorations tolerate the 15–20 µm accuracy of entry-level scanners without a clinically detectable marginal gap. Full-arch implant frameworks require the tighter 5–10 µm accuracy of a mid-to-high-end scanner, since even small stitching errors across a full arch compound into a passive-fit problem at the prosthesis screw access holes.
Can a desktop lab scanner replace a chairside intraoral scanner?
Can a desktop lab scanner replace a chairside intraoral scanner?
No. A lab scanner digitizes physical models, impressions, and wax patterns after they have already been taken from the patient, while an intraoral scanner captures the patient's dentition directly in the mouth, eliminating the impression step entirely. Many Egyptian labs run both: an intraoral scanner at partner clinics and a desktop lab scanner for cases still arriving as physical impressions or models.
Does MedSTA supply desktop lab scanners across Egypt?
Does MedSTA supply desktop lab scanners across Egypt?
Yes. MedSTA supplies desktop dental lab scanners with EGP pricing and delivery to dental laboratories throughout Egypt, including Cairo, Giza, and Alexandria.