US No. 57L Busch Carbide Straight Fissure (Cylinder) Long Bur | Busch No. 21L 010 – FG | Pack of 6
The carbide cylinder fissure dental bur 21L 010 (US No. 57L) is a precision-engineered rotary instrument designed for demanding restorative and operative dentistry procedures. Manufactured by Busch & Co. GmbH in Germany, this long-shank carbide bur delivers consistent, controlled cutting performance in a variety of clinical applications.
Product Specifications
- Type: Carbide, Cylinder Flat, Excavating and Fissure Bur
- ISO Classification: 500 314 110 006 010
- Shank: FG (Friction Grip), Long
- Pack Quantity: 6 burs per pack
Applications
The carbide cylinder fissure dental bur is ideally suited for cavity and fissure preparation, where precise outline form and clean cavity walls are essential. Its cylinder flat geometry enables the clinician to establish flat pulpal floors and defined axial walls with minimal vibration and efficient material removal.
The carbide cylinder fissure dental bur is well-suited for the following clinical procedures:
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Cavity/Fissure Preparation — Opening, extending and shaping cavities and fissures with controlled removal of enamel and dentin. |
Instrument Dimensions
| Head Ø | 1.0 mm (ISO size 010) |
|---|---|
| Shank | FG (Friction Grip) — 1.60 mm Ø, 19 mm overall length (ISO 314) |
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.
Why Choose This Bur
As a genuine carbide cylinder fissure dental bur made in Germany, this instrument reflects the exacting standards of Busch & Co. GmbH. German engineering ensures repeatable cutting geometry, long service life, and reliable performance across clinical settings. Each pack contains six burs, providing excellent value for high-volume practices.
FAQ
What shank type does this bur use? This bur features an FG (Friction Grip) long shank, compatible with standard high-speed handpieces.
How many burs are included? Each pack contains 6 individual carbide burs.
What is the ISO classification? The ISO standard classification for this bur is 500 314 110 006 010.
Compare With
| Manufacturer | Reference |
|---|---|
| Komet (Gebr. Brasseler) | H21L.314.010 |
| Brasseler USA | H21L.31.010 |
| Meisinger | HM21L-010-FG |
| SS White | 310146 |
Manufacturer literature: Busch catalogs and product brochures for this line are available in our Busch Burs Catalog Library.
US No. 57L Busch Carbide Straight Fissure (Cylinder) Long Bur | Bus...
