Busch Cool-Diamant Cylinder Rounded Edge Bur | Busch No. CD 25 014 – FG | Pack of 6
The cool diamant diamond dental bur cylinder rounded edge from Busch & Co. GmbH is a precision-engineered rotary instrument designed to meet the demanding standards of modern restorative and prosthodontic dentistry. Featuring a cylinder form with a rounded edge geometry, this bur delivers controlled, consistent cutting action suited to a wide range of clinical procedures.
Independently tested. In the Medical University of Innsbruck cutting study, Busch’s cooling-groove diamond achieved the highest total cutting length of every bur tested over 40 minutes of continuous use. Read the Innsbruck Study.
Product Overview
The cool diamant diamond dental bur cylinder rounded edge is classified as a medium grit instrument, making it appropriate for efficient tooth reduction and surface refinement. The Cool Diamant series is engineered to support cooler cutting temperatures, helping to reduce thermal stress on the tooth structure during preparation. Each bur in this pack is manufactured to exacting tolerances, ensuring reliable performance across multiple uses.
Key Features
- Form: Cylinder with rounded edge
- Grit: Medium
- Series: Cool Diamant
- Shank: FG (Friction Grip)
- Reference: CD 25 014 FG
- Pack quantity: 6 burs per pack
- Made in Germany — manufactured to German quality standards
Clinical Application
This cool diamant diamond dental bur cylinder rounded edge is well suited for crown preparation procedures, where precise margin definition and controlled axial wall reduction are essential. The rounded edge profile helps minimise ledge formation and supports smooth transitions at the preparation margin.
Independent Research: Test Winner at Innsbruck
In an independent laboratory study at the Medical University of Innsbruck, Busch’s COOL DIAMANT design achieved the highest cutting performance in both test series — outperforming same-shape, same-grit diamonds from up to ten competing manufacturers. Under standardized conditions (200,000 rpm turbine, constant 152 g load, 10–40 minutes of continuous cutting on 99.5% Al₂O₃ ceramic), the COOL DIAMANT instrument removed significantly more material than burs from Diatech, Edenta, Horico and Komet (p < 0.05), and in the second series the standard Busch diamond placed second only to its cooling-groove sibling. The authors concluded that instruments with cooling grooves deliver higher grinding performance and need replacing less often.
Source: Sander A, Beier US, Kapferer I, Dumfahrt H. Untersuchung zur Schleifleistung diamantierter Schleifkörper. Stomatologie 2009;106:29–34 (Medizinische Universität Innsbruck).
Podiatry Use
Busch's podiatry turbine section includes the CD 25 014, a 1.4 mm cylinder rounded edge diamond with medium grit for smoothing callus and nails. Cool-Diamant peripheral cooling grooves are designed for a cool, pleasantly soft treatment, and the FG shank is for turbines with cooling water. Browse diamond podiatry burs or nail-edge and fine-work burs.
Instrument Dimensions
| Head Ø | 1.4 mm (ISO size 014) |
|---|---|
| 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.
Specifications: Busch No. CD 25 014
| Busch figure | CD 25 |
| Shape | Cylinder Rounded Edge |
| ISO size / head diameter | 014 (1.4 mm max head Ø) |
| Grit | Medium (blue ring) |
| Shank | FG |
| Pack size | Pack of 6 |
| Line | COOL DIAMANT (gold) |
With its flat end and rounded edge, this cylinder shapes axial walls and defines a shoulder or rounded-shoulder finish line, and its COOL DIAMANT cooling grooves reduce heat build-up in use. The 1.4 mm head is a general-purpose size for routine crown and cavity preparation. As a medium-grit instrument it carries the main part of the preparation once bulk reduction is done.
Read the guides: Crown Preparation Burs · Bur Color Coding & ISO Guide · Bur Speed Chart · All COOL DIAMANT burs
Busch Warranty & 60-Day Returns
This Busch instrument is guaranteed against manufacturing and workmanship defects — we'll repair or replace it under normal professional use. Unused, unopened product in its original packaging can also be returned or exchanged within 60 days of delivery. Full terms are on our Warranty page and Returns page.
FAQ
What shank type does this bur use?
This bur features an FG (Friction Grip) shank, compatible with standard high-speed handpieces.
How many burs are included?
Each pack contains 6 burs.
What grit is the Cool Diamant CD 25 014 FG?
This instrument is a medium grit cool diamant diamond dental bur cylinder rounded edge, suitable for general tooth reduction and crown preparation.
Where is this product manufactured?
This bur is Made in Germany by Busch & Co. GmbH.
What is the CD 25 014 used for in podiatry?
Busch lists the CD 25 014 for callus and nail smoothing. It has an FG (friction grip) shank for podiatry turbine units with water cooling.
