9921 140 RA ZIRC POL DIA F - (Pack of 2)

The zirconia polishing diamond bur fine from Busch & Co. GmbH — product reference 9921 140 RA ZIRC POL DIA F — is an expertly engineered polisher designed to deliver a high-shine finish on zirconia restorations with precision and consistency. Supplied as a pack of two, this instrument is built to meet the demanding standards of modern dental laboratory work.

Product Overview

This polisher is classified under ISO standard 803 204 543 514 140 and features a diamond-interspersed composition in a fine grit configuration. The diamond-interspersed abrasive matrix ensures controlled material removal while progressively refining the zirconia surface to a high-gloss result, making this zirconia polishing diamond bur fine an essential tool for achieving clinically superior surface quality.

Key Applications

• Crown and Bridge Technology: Optimised for shaping and finishing zirconia crowns and bridge frameworks to precise occlusal and marginal requirements.
• Processing of Zirconium Oxide: Engineered specifically for zirconium oxide materials, providing efficient stock removal and surface refinement without compromising structural integrity.
• Diamond Interspersed Abrasion: The uniform diamond particle distribution delivers consistent cutting performance and predictable polishing results across the zirconia surface.

Why Choose This Polisher

As a zirconia polishing diamond bur fine manufactured in Germany, this instrument reflects Busch & Co. GmbH's longstanding commitment to quality and precision engineering. German-made dental instruments are recognised for their dimensional accuracy, material consistency, and durability under clinical and laboratory conditions.

Each pack contains two polishers, offering practical value for high-throughput laboratory environments. The fine designation indicates a finishing-stage abrasive, ideal as a final polishing step to achieve the high-shine result expected in premium zirconia prosthetics.

Technical Classification

For laboratories requiring a reliable zirconia polishing diamond bur fine that consistently delivers professional results, the Busch 9921 140 RA is a well-established choice within the dental industry.