US No. 1557 Busch Carbide Straight Fissure (Cylinder) Round Bur | Busch No. 31R 010 – Crosscut – FG | Pack of 6

The carbide cylinder round fissure dental bur — Busch 31R 010 (US No. 1557) — is a precision-engineered instrument designed for efficient cavity and fissure preparation in clinical dentistry. Manufactured by Busch & Co. GmbH in Germany, this bur reflects decades of craftsmanship and rigorous quality standards.

Product Classification

This carbide cylinder round fissure dental bur conforms to the following ISO standard classification: ISO: 500 314 137 007 010. This standardized coding ensures compatibility and consistency across dental operatories and procurement systems worldwide.

Design & Construction

Engineered from high-grade carbide, the cylinder round geometry delivers clean, controlled cutting action. The round-end cylinder profile is optimized for precise fissure work, allowing clinicians to maintain consistent depth and width during cavity preparation. As a friction grip (FG) shank bur, it is compatible with high-speed handpieces commonly used in restorative dentistry.

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.

Clinical Applications

• Cavity Preparation — Efficient removal of carious tissue with controlled cutting depth
• Fissure Preparation — Precise shaping of fissures for restorative procedures
• General Excavation — Suitable for excavating and refining cavity walls and floors

This carbide cylinder round fissure dental bur is particularly well-suited for restorative workflows requiring accuracy and repeatability across multiple preparations.

Pack Information

Each order includes a pack of 6 burs, providing reliable stock for busy dental practices and reducing chairside downtime.

Made in Germany — a hallmark of precision manufacturing and consistent clinical performance. This carbide cylinder round fissure dental bur upholds the Busch standard trusted by dental professionals globally.

FAQ

What shank type does this bur use? This bur features a friction grip (FG) shank, designed for use with standard high-speed dental handpieces.

How many burs are included per pack? Each pack contains 6 individual burs, ideal for maintaining adequate clinical inventory.

What is the ISO classification of this bur? The ISO classification is 500 314 137 007 010, ensuring standardized identification and procurement compatibility.

Compare With

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