Busch Zirconia Diamond Flame Polisher | Busch No. 9919 040 – Fine – RA | Pack of 2

The zirconia polishing diamond bur fine from Busch & Co. GmbH — item Busch Zirconia Diamond Polisher | Busch No. 9919 040 – Fine – RA — is a precision-engineered polisher designed to deliver a high-shine finish on zirconia restorations. Sold in a convenient pack of 2, this instrument meets the demands of modern dental laboratory workflows where surface quality and accuracy are non-negotiable.

Product Overview

Classified under ISO standard 803 204 243 514 040, this polisher features a diamond-interspersed composition in a fine grit grade. The diamond-interspersed abrasive matrix allows for controlled, consistent material removal while progressively refining the zirconia surface to a brilliant, high-shine result. As a zirconia polishing diamond bur fine, it is specifically formulated to address the hardness and structural characteristics of zirconium oxide, reducing the risk of surface micro-fractures during finishing.

Applications

The zirconia polishing diamond bur fine is well-suited for the following dental laboratory applications:

	Crown and Bridge Technology — Shaping, trimming and finishing of crown and bridge frameworks in the laboratory.
	Processing of Zirconium Oxide — Cutting, contouring and finishing of zirconium oxide restorations.
	Diamond Interspersed — Diamond particles bonded through the abrasive for consistent performance and long service life.

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.

Key Specifications

• Type: Polisher, High Shine-Polishing
• Material Compatibility: Zirconia (Zirconium Oxide)
• Abrasive: Diamond Interspersed, Fine Grade
• ISO Classification: 803 204 243 514 040
• Pack Quantity: 2 per pack

This zirconia polishing diamond bur fine is manufactured in Germany, reflecting Busch & Co. GmbH's commitment to precision engineering and consistent clinical-grade quality.

FAQ

What is the ISO classification for this polisher? This instrument is classified under ISO 803 204 243 514 040.

Is this polisher sold as a single unit or in a pack? It is sold as a pack of 2.

What materials is this polisher designed for? The zirconia polishing diamond bur fine is specifically designed for processing and polishing zirconium oxide (zirconia) restorations.