US No. 9406 Bur – Busch Ultra Fine Finishing Football (Egg) Carbide, Made in Germany
The US No. 9406 is the American number for an ultra-fine egg (football) finishing bur with a 1.8 mm head (ISO size 018): the 30-blade version of the No. 7406, leaving a pre-polish surface on composite and ceramic. Busch & Co. manufactures it in Germany as Busch No. 44E-UF 018, white ring. Every US No. 9406 on this page is a genuine Busch instrument and ships from our US warehouse.
Busch & Co. GmbH
Regular price $36.99Unit price
Reference pages already linked from this collection, in one place.
Which US No. 9406 Do You Need?
The collection currently holds one US No. 9406, linked below by its Busch number.
FG (high-speed handpiece)1 items
| Busch No. | US No. | Material | Cut | Shank | Best for | Pack |
|---|---|---|---|---|---|---|
| 44E-UF 018 | 9406 | Carbide | Ultra-fine, 30 blades | FG | Pre-polish on composite and ceramic | 2 |
FG (friction grip, 1.6 mm shank, high-speed). See the Busch Bur Size Chart for head and shank dimensions.
Speed and Technique
Ultra-fine finishers work at light pressure and moderate speed with water spray; let the 30 blades produce the surface. Maximum recommended speeds for every Busch shape are in our Dental Bur Speed Chart, and reprocessing steps in the Bur Sterilization Guide.
Made in Germany by Busch & Co.
Busch & Co. has manufactured rotary instruments in Engelskirchen, Germany since 1905. Every instrument on this page is a genuine Busch product, precision-ground on a concentric shank under ISO 13485-certified quality management and covered by our Busch warranty.
Clinical Use
- Pre-polish: the final carbide pass on occlusal composite before rubber polishers.
- Ceramic adjustment: smoothing small occlusal adjustments on glazed ceramic without a diamond.
- Lingual surfaces: a glass-like finish on anterior lingual concavities.
Sequence: contour with the No. 7406, smooth with the No. 8406, then finish with the No. 9406.
Care and Reconditioning
Busch carbide burs are reusable: clean, disinfect and sterilize them between patients following the manufacturer instructions and replace them once they dull. Our Dental Bur Reprocessing & Sterilization Guide gives the steps for Busch rotary instruments.
Compare With
Related Busch collections: US No. 7406 Bur, US No. 8406 Bur, Egg and Football Finishing Carbide Burs, Football (Egg) Burs and Diamonds, and Composite Finishing Burs. For bur numbering and dimensions, see the Busch Bur Size Chart and the Dental Bur Glossary.
Related resources: US Bur Number Finder · Bur Comparison Chart · Speed Chart · Bur Glossary · Related: US No. 7406, US No. 8406
FAQ
What is the Busch number for a US 9406 bur?
Busch No. 44E-UF 018 in carbide, white ring, FG shank.
What size is a No. 9406 bur?
The No. 9406 has a 1.8 mm head diameter (ISO size 018) on an egg-shaped finishing head, ISO shape 277, with 30 blades.
Does a 30-blade bur replace polishing?
It shortens it. Most composites still benefit from a fine rubber polisher after the 9406, but the sequence takes fewer steps.
Are Busch No. 9406 burs reusable?
Yes. Carbide burs are cleaned, disinfected and sterilized between patients and replaced when they dull; the Bur Sterilization Guide gives the validated steps.
