How to Choose the Right Dental Milling Burs for Your CAD/CAM Dental Lab

Nov 21, 2025

How to Choose the Right Milling Burs for Your Dental Milling Machine 1

Choosing the right dental milling burs is critical for every lab aiming for high precision, excellent restoration quality, and consistent milling performance. With dozens of bur types, coatings, and machine standards, understanding the fundamentals helps you reduce cost and avoid tool failure.

At Vsmile, we manufacture premium-quality milling burs compatible with major CAD/CAM systems including Roland,, VHF, Imes-Icore, Arum, and more.
This article gives you a clear, practical selection framework.


1. Learn the Key Parameters of Dental Milling Burs

When selecting burs, pay close attention to these specifications:

✔ Head Type

Flat-end, ball-nose, tapered, and special geometry for undercuts or occlusal anatomy.

✔ Head Diameter (mm)

Common sizes:2.5mm, 2.0mm, 1.0mm, 0.6mm

Large → fast roughing

Small → high detail finishing

✔ Shank Diameter

This must match your spindle.
Common: 3mm / 4mm / 6mm

✔ Overall Length

Varies by brand: 32mm, 35mm, 40mm, 43mm, 48mm, 47mm, 50mm, 57mm, etc.

✔ Coating Type

Coating determines lifespan, heat resistance, and surface finish.
Vsmile provides options including:

CVD Diamond Coating – highest durability

DC Diamond Coating – 300–500 crowns

DLC Coating – multi-material versatility

TiSiN Coating – ideal for titanium & CoCr

NC Anti-static No Coating – for PMMA

Diamond Abrasive – for lithium disilicate


2. Machine Compatibility - The Most Critical Factor

Before buying, confirm that the bur matches your CAD/CAM system:

Brand/Series Shank Length Materials
Roland DWX 4mm 38mm Zirconia/PMMA
VHF K5/S5 3mm varies Zr, PMMA, metal
Imes-Icore 3mm/6mm varies Zr, PMMA, Ti
Arum 6mm long Titanium

3. How to Choose Based on Material

Material Recommended Coating
Zirconia CVD, DC, DLC
PMMA/Wax NC or DLC
Titanium/CoCr TiSiN
Lithium Disilicate Diamond Abrasive

4. Why Thousands of Labs Choose Vsmile Milling Burs

Strict QC for geometry accuracy

Long lifespan proven by global labs

Excellent surface finish

Wide compatibility

Fast global shipping & OEM support

If you want help choosing the correct burs for your milling machine, send us your machine model and materials, and our team will recommend the perfect setup.

👉 Contact Vsmile to get a customized milling bur solution today.