Busch Diamond Occlusal Contouring Bur | Busch No. 899 021 – Medium Grit – FG | Pack of 6

The diamond dental bur medium grit crown preparation instrument from Busch & Co. GmbH is a precision-engineered rotary tool designed to meet the exacting demands of modern restorative and prosthodontic workflows. Built to ISO standard 806 314 033 524 021, this bur delivers consistent, controlled cutting performance across a wide range of clinical applications.

Product Overview

This pack of 6 burs — item reference 899 021 FG — features a medium grit diamond coating that balances efficient material removal with a refined surface finish. The medium grit designation makes this diamond dental bur medium grit crown preparation tool ideal for practitioners who require reliable stock reduction without excessive tooth structure loss.

Key Specifications

• Grit: Medium
• Standard Classification: ISO 806 314 033 524 021
• Shank Type: FG (Friction Grip)
• Pack Quantity: 6 burs per pack
• Manufacturer: Busch & Co. GmbH — Made in Germany

Instrument Dimensions

Per ISO 6360, the size number is the maximum head diameter in tenths of a millimeter. See our Busch Bur Size Chart for the full size conversion table, shank codes, and color ring guide.

Applications

The primary application for this diamond dental bur medium grit crown preparation is crown preparation, where precise axial wall reduction and margin definition are critical to achieving optimal fit and long-term restoration success. The medium grit profile supports efficient preparation while maintaining tactile control throughout the procedure.

Why Choose Busch & Co. GmbH?

Manufactured in Germany, Busch dental instruments are recognized for their engineering precision and consistent quality. Each bur in this pack is produced to strict tolerances, ensuring that the diamond dental bur medium grit crown preparation performs reliably from the first use through the recommended service life.

FAQ

What shank type does the 899 021 FG use? This bur uses an FG (Friction Grip) shank, compatible with standard high-speed handpieces.

What is the ISO classification for this bur? The ISO classification is 806 314 033 524 021.

How many burs are included? Each pack contains 6 burs.

What is the primary clinical use? This bur is primarily intended for crown preparation procedures requiring medium grit diamond cutting.

Compare With

Manufacturer literature: Busch catalogs and product brochures for this line are available in our Busch Burs Catalog Library.