Busch Zirconia Diamond Flame Polisher | Busch No. 9909 040 – Medium – RA | Pack of 2
The zirconia pre-polishing diamond bur medium grit from Busch & Co. GmbH is a precision-engineered polishing instrument designed specifically for the pre-polishing stage of zirconia restorations. Manufactured in Germany to exacting standards, this polisher delivers consistent, controlled surface refinement on zirconium oxide materials used in modern dental laboratory and clinical workflows.
Product Overview
Designated as the Busch Zirconia Diamond Polisher | Busch No. 9909 040 – Medium – RA, this instrument is classified under ISO standard 803 204 243 524 040. It is supplied as a pack of two, ensuring availability across multiple procedures without interruption. As a zirconia pre-polishing diamond bur medium grit tool, it features a diamond-interspersed working surface that facilitates effective material removal and surface preparation prior to final polishing steps.
Key Applications
- Crown and Bridge Technology: Optimised for shaping and refining zirconia restorations used in crown and bridge fabrication.
- Processing of Zirconium Oxide: Engineered to address the specific hardness and surface characteristics of zirconium oxide, delivering reliable pre-polish results.
- Diamond Interspersed Construction: The diamond-interspersed matrix ensures consistent abrasive action throughout the working life of the instrument.
Why Choose This Instrument?
When working with zirconia, the pre-polishing stage is critical to achieving a smooth, high-quality final surface. The zirconia pre-polishing diamond bur medium grit by Busch provides reliable abrasive performance with the precision expected of German-engineered dental instruments. The diamond-interspersed design ensures uniform cutting action, minimising the risk of uneven surface texture.
Instrument Dimensions
| Head Ø | 4.0 mm (ISO size 040) |
|---|---|
| Shank | RA / CA (Contra-Angle, latch) — 2.35 mm Ø, 22 mm overall length (ISO 204) |
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.
Specifications
| Attribute | Detail |
|---|---|
| Product Code | Busch Zirconia Diamond Polisher | Busch No. 9909 040 – Medium – RA |
| ISO Classification | 803 204 243 524 040 |
| Grit | Medium |
| Material Compatibility | Zirconium Oxide (Zirconia) |
| Pack Quantity | 2 |
| Origin | Made in Germany |
Busch Warranty & 60-Day Returns
This Busch instrument is guaranteed against manufacturing and workmanship defects — we'll repair or replace it under normal professional use. Unused, unopened product in its original packaging can also be returned or exchanged within 60 days of delivery. Full terms are on our Warranty page and Returns page.
FAQ
What material is this polisher designed for?
This instrument is specifically designed for processing zirconium oxide (zirconia) in dental applications.
What grit level does this bur offer?
It features a medium grit, making it suitable for the pre-polishing stage before final surface finishing.
How many units are included per pack?
Each pack contains two polishers.
Is this instrument compatible with the RA shank?
Yes, the designation includes RA (right-angle), indicating compatibility with standard contra-angle handpieces.
