US No. 558 Busch Carbide Straight Fissure (Cylinder) Bur | Busch No. 31 012 – Crosscut – FG | Pack of 6

The carbide cylinder fissure dental bur 31 012 (US No. 558) from Busch & Co. GmbH is a precision-engineered instrument designed for reliable cavity preparation and fissure work in clinical dentistry. Manufactured in Germany to exacting standards, this bur delivers consistent cutting performance across demanding restorative procedures.

Product Specifications

• Type: Carbide, Cylinder Flat, Excavating and Fissure Bur
• ISO Classification: 500 314 107 007 012
• US No.: 558
• Shank: FG (Friction Grip)
• Pack Quantity: 6 burs per pack

Design and Performance

This carbide cylinder fissure dental bur features a flat-end cylinder geometry that enables precise, controlled cutting with minimal lateral deviation. The carbide construction ensures long-lasting sharpness and thermal stability, making it well-suited for high-speed handpiece use. The flat cutting tip is ideal for establishing flat pulpal floors and clean vertical walls during cavity preparation.

Clinical Applications

The carbide cylinder fissure dental bur is optimally suited for the following procedures:

• Cavity and fissure preparation
• Excavation of carious tissue
• Initial outline form creation
• Class I and Class II cavity preparation

Cavity/Fissure Preparation

German Engineering Quality

Each carbide cylinder fissure dental bur in this pack is manufactured in Germany by Busch & Co. GmbH, a trusted name in dental rotary instruments. German-made quality ensures dimensional accuracy, consistent flute geometry, and reliable clinical outcomes batch after batch.

FAQ

What handpieces are compatible with this instrument? It has an FG (friction grip) shank, which fits standard high-speed turbine handpieces.

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

Where is this instrument made? It is manufactured by Busch & Co. in Engelskirchen, Germany, an ISO 13485-certified specialist in rotary precision instruments since 1905.

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