Sirona inLab MC X5 Compatible Glass Ceramic Diamond Milling Burs

Diamond-coated milling burs for the Sirona inLab MC X5, designed for wet milling of glass ceramics including lithium disilicate (IPS e.max), feldspathic ceramic, Vita Suprinity, and Celtra Duo. Available in four head diameters with φ3 mm smooth shanks for collet clamping, these burs support chairside or lab production of single crowns, inlays, onlays, veneers, and anterior bridges.

inLab MC X5 Diamond 0.6
inLab MC X5 Diamond 1.2
inLab MC X5 Diamond 1.4
inLab MC X5 Diamond 2.2
Sirona inLab MC X5 Compatible Glass Ceramic Diamond Milling Burs
Sirona inLab MC X5 Glass Ceramic Burs
Glass Ceramic Burs
Order No
inLab MC X5 Diamond 0.6 inLab MC X5 Diamond 1.2 inLab MC X5 Diamond 1.4 inLab MC X5 Diamond 2.2
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Key Features

Technical Specifications

Compatible MachinesSirona inLab MC X5
Interface Typeφ3mm Smooth Shank
Material CategoryGlass Ceramic
Configurations4

Available Configurations

Order NoSpecificationHead ØNeckShankLengthInquiry
inLab MC X5 Diamond 0.6φ0.6×TL8×φ3×L34.50.68334.51
inLab MC X5 Diamond 1.2φ1.2×TL14×φ3×L371.2143371
inLab MC X5 Diamond 1.4φ1.4×TL14×φ3×L35.41.414335.41
inLab MC X5 Diamond 2.2φ2.2×TL17×φ3×L37.42.217337.41

Application

The 0.6 mm and 1.2 mm diameters are suitable for finishing and fine detail work, while the 1.4 mm and 2.2 mm diameters are better for roughing and bulk material removal in glass ceramic restorations.

Limitations

These burs are not for metal milling, dry milling, or use in machines other than the Sirona inLab MC X5 with a φ3 mm collet-clamped smooth shank interface.

Frequently Asked Questions

What shank type do these burs use?

These burs use a φ3 mm smooth shank that is collet-clamped in the Sirona inLab MC X5. This is different from the proprietary M3.5 threaded shank used on Sirona CEREC MC, MC X, and MC XL machines, or the M1.8 threaded shank used on CEREC 3.

Are these burs compatible with Sirona CEREC MC or CEREC MC XL machines?

No. These burs are specifically for the Sirona inLab MC X5, which uses a φ3 mm smooth shank with collet clamping. CEREC MC, MC X, and MC XL machines use a proprietary M3.5 threaded shank, and CEREC 3 uses M1.8. Using this bur in those machines is not possible without a different shank interface.

What materials can these burs mill?

These diamond-coated burs are intended for wet milling of glass ceramics: lithium disilicate (IPS e.max), feldspathic ceramic, Vita Suprinity, and Celtra Duo. They are not for metals, composites, or dry milling applications.

How do I choose between the four head diameters?

The smaller diameters (0.6 mm and 1.2 mm) are suited for fine detail work such as occlusal anatomy, margin definition, and tight interproximal areas. The larger diameters (1.4 mm and 2.2 mm) are better for bulk material removal and roughing stages. The 1.2 mm and 1.4 mm options provide a balance for general contouring and finishing.

How do I know when to replace the bur?

Watch for visible wear signs such as loss of diamond coating on the cutting surfaces, increased milling time, rougher surface finish on restorations, or chipping at margin areas. If the bur no longer cuts cleanly or produces consistent results, replacement is recommended. Exact lifespan depends on material type, milling parameters, and frequency of use.

Are these OEM Sirona burs or aftermarket?

These are SINCEN-manufactured burs designed to fit the Sirona inLab MC X5 with the same φ3 mm smooth shank interface. They are not original Sirona parts. Lab-friendly wholesale pricing is available.

Can these burs be used for dry milling zirconia?

No. These burs are specified for wet milling of glass ceramics only. Dry milling of zirconia or other materials is outside the intended use and may damage the coating or produce poor results.

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