US No. 333L Busch Carbide Inverted Cone Round Bur | Busch No. 25R 014 – FG | Pack of 6

The carbide pear fissure dental bur from Busch & Co. GmbH is a precision-engineered rotary instrument designed for reliable cavity and fissure preparation in clinical dentistry. Manufactured in Germany, this bur reflects the quality and consistency that dental professionals demand in everyday practice.

Product Classification

This instrument is classified under the following ISO standard: ISO: 500 314 238 006 014. It carries the designation 25R 014 (US No. 333L) and is supplied in a convenient pack of 6, ensuring availability for multiple procedures.

Design & Construction

The carbide pear fissure dental bur features a pear-shaped carbide head, optimized for excavating and fissure work. The inverted cone round profile allows the clinician to achieve precise cuts with controlled depth and consistent results. Carbide construction contributes to durability and maintained cutting efficiency across repeated use.

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.

Primary Application

• Cavity/Fissure Preparation: The geometry of this carbide pear fissure dental bur is specifically suited for preparing cavities and fissures, enabling clean, accurate preparations with minimal stress to surrounding tooth structure.

This instrument is compatible with friction grip (FG) handpieces, making it straightforward to integrate into standard clinical workflows.

Why Choose This Bur?

As a carbide pear fissure dental bur produced by Busch & Co. GmbH, this instrument benefits from German engineering standards. The pack-of-6 format supports consistent instrument rotation and sterile single-use protocols where applicable.

FAQ

What handpiece shank type is this bur designed for? This bur is designed for friction grip (FG) handpieces, as indicated by the FG designation in the product name.

What is the ISO classification for this bur? The ISO classification is 500 314 238 006 014.

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

What is the primary clinical use of this bur? It is primarily used for cavity and fissure preparation in restorative dental procedures.

Compare With

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