557 Surgical Bur Collection by Busch & Co.

The 557 Surgical Bur is a precision-engineered straight fissure crosscut carbide cutting instrument widely used in oral and maxillofacial surgical procedures. This collection brings together the full range offered by Busch & Co., including the 557L and 557X variants, from a manufacturer with a long-standing reputation for quality rotary instrumentation.

About the 557 Profile

The 557 Surgical Bur features a flat-end geometry and crosscut fluting that enables efficient, controlled cutting through bone and enamel. This profile is a standard choice among oral surgeons and dental professionals who require dependable surgical-grade precision. Busch & Co. manufactures this bur to tight tolerances, ensuring concentricity and smooth rotation at high speeds. Whether you are performing bone cutting, tooth sectioning, or surgical cavity preparation, this instrument delivers consistent and reliable clinical performance.

Key Features

Crosscut fissure design: Enhances cutting efficiency and chip clearance during bone and enamel removal
Carbide construction: Provides superior hardness and durability compared to standard steel burs
Surgical-grade precision: Manufactured to exacting standards for consistent clinical performance
Multiple shank options: Available in configurations to suit various handpiece types used in surgical settings

Busch 557, 557L, and 557X are all straight fissure cross-cut carbide burs (very similar head shape for efficient cutting of enamel, dentin, amalgam, etc.), but they differ primarily in length and sometimes in minor design tweaks for specific clinical needs.

Quick Comparison Table

Feature	557 (Standard)	557L (Long)	557X (Extra-Long / Extended)
Overall Length	~19 mm (standard FG)	~25–26 mm (surgical length)	Extra-long (often 26+ mm or extended shank)
Head Length	Standard (~4.2 mm)	Same or slightly longer	Same head, but extended reach
Best For	General cavity prep, anterior/posterior	Deeper access (posteriors, crown preps)	Maximum reach (deep cavities, surgical, hard-to-access areas)
Use Case	Everyday operative dentistry	Posterior work where standard falls short	Specialized/long-reach procedures

Summary of Differences

557 — The baseline/standard version. Good all-around bur.
557L — Adds length for better access without changing the cutting head. Very common for surgical or posterior work.
557X — Extra-long/extended version (the "X" typically denotes extra length or a specific modification like an extended shank or round-end variant in some lines). Provides the most reach among the three.

All three maintain Busch’s high-quality German carbide construction (fine-grain tungsten carbide for smooth cutting and durability).

Why Choose Busch & Co.?

Busch & Co. is a trusted name in rotary dental instrumentation with a heritage of craftsmanship and technical excellence. Their 557 Surgical Bur lineup reflects this commitment, offering professionals instruments that meet rigorous quality standards. Reliable cutting performance, consistent geometry, and dependable longevity make these burs a practical choice for busy surgical practices.

Dental Instruments, Tools, Burs, Diamonds and Polishers Made In Germany

FAQ

What procedures is the 557 Surgical Bur commonly used for? The 557 Surgical Bur is commonly used for bone cutting, tooth sectioning, and surgical cavity preparation in oral and maxillofacial surgery.

Is the 557 Surgical Bur made of carbide? Yes, the burs in this collection are carbide, providing excellent hardness and cutting longevity suitable for demanding surgical applications.