Busch Dental Burs for Cavity Preparation

Busch Dental Burs for Cavity Preparation

Dental burs for cavity preparation are the cornerstone of any effective restorative workflow, and this comprehensive collection has been carefully selected to meet the demands of modern minimally invasive dentistry. Whether you are working on Class I through Class V preparations, caries excavation, or tooth structure conservation, these rotary instruments deliver the control, cutting efficiency, and versatility required for superior clinical outcomes.

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Which Cavity Preparation Bur Do You Need?

Start with the bur shape, then open the matching sub-collection; the complete list of Busch numbers by bur type follows further down the page.

Carbide burs by shape

Category What it covers
Round Burs carbide round burs on FG and RA shanks for caries removal and access
Pear Burs US 330–333 and long pear burs for conservative preparations
Inverted Cone Burs inverted cone burs for undercuts and retention features
Straight Fissure Burs straight fissure (cylinder) burs, plain and crosscut, regular and long
Tapered Fissure Burs tapered fissure (cone) burs, plain and crosscut, regular and long
Finishing Burs carbide finishing bud, bullet, flame, football and pear burs

Diamond burs and shank types

Category What it covers
Diamond Burs round, pear, inverted cone, cylinder and taper diamonds in every grit
Cool-Diamant Diamond Burs Busch Cool-Diamant diamonds
MicroPrep Diamond Burs small MicroPrep diamonds for minimally invasive preparation
Cylinder Round Burs cylinder round-end burs and diamonds
RA Burs latch-type burs for the contra-angle handpiece
FG Burs friction grip burs for the high-speed handpiece

Versatile Shapes for Every Step

  • Round burs – designed for controlled penetration and precise decay removal
  • Pear-shaped burs – ideal for establishing outline form and retentive undercuts
  • Straight and tapered fissure burs – engineered to create flat pulpal floors and properly divergent walls
  • Inverted cone burs – used to establish additional retention features with confidence

Material Excellence

Tungsten carbide options deliver fast, smooth, chatter-free cutting with excellent debris evacuation, making them perfect for dentin and old restorative material removal. Diamond burs offer unmatched efficiency on enamel and hard tissues, available in various grit levels for gross reduction or finer finishing work.

Optimized Performance

Designed mainly for high-speed handpieces with an FG shank (carbide round, fissure, inverted cone and finishing burs are also offered on the RA latch shank for the contra-angle), these dental burs for cavity preparation minimize vibration, reduce operator fatigue, and support precise, conservative preparations that preserve maximum healthy tooth structure. Their clinical reliability makes them ideal for amalgam, composite, and indirect restorations — helping you achieve clean margins, proper resistance and retention form, and excellent adaptation of restorative materials.

Why Choose This Collection?

From simple occlusal preps to complex multi-surface restorations, this selection of dental burs for cavity preparation equips dental professionals with exactly the right instrument for faster procedures and consistently superior patient outcomes.

Find a Cavity Preparation Bur by Busch Number

Every product currently in this collection, grouped by bur type; each Busch number is followed by its shank (FG or RA). Open a group and select a Busch number to see the full specification.

Carbide finishing burs (17)

44E-F 018 FG 44E-F 018 RA 44E-UF 018 FG 45 018 FG
45 018 RA 45F 018 FG 45F 018 RA 45UF 018 FG
46 009 FG 46 012 FG 46 014 FG 46 018 FG
46 023 FG 47L 012 FG 47L 014 FG 48F 012 FG
48F 012 RA

Carbide inverted cone burs (12)

2 006 FG 2 007 FG 2 008 FG 2 009 FG
2 010 FG 2 012 FG 2 012 RA 2 014 FG
2 016 FG 25R 010 FG 25R 012 FG 25R 014 FG

Carbide straight fissure and end-cutting burs (25)

207 012 FG 21 008 FG 21 009 FG 21 010 FG
21 010 RA 21 012 FG 21 012 RA 21 014 FG
21 014 RA 21 016 FG 21L 010 FG 21L 012 FG
21R 010 FG 21R 012 FG 21R 014 FG 31 008 FG
31 010 FG 31 012 FG 31 014 FG 31 016 FG
31L 010 FG 31L 012 FG 31R 010 FG 31R 012 FG
31R 014 FG

Carbide tapered fissure burs (24)

23 008 FG 23 010 FG 23 012 FG 23 014 FG
23L 010 FG 23L 012 FG 23R 010 FG 23R 012 FG
23R 012 RA 23R 014 FG 23R 014 RA 23R 016 RA
23SR 008 FG 23SR 010 FG 33 009 FG 33 010 FG
33 012 FG 33 014 FG 33 016 FG 33L 009 FG
33L 010 FG 33L 012 FG 33L 016 FG 59 010 FG

Carbide pear burs (4)

7 008 FG 7 010 FG 7 012 FG 7 014 FG

Carbide round burs (70)

1 005 FG 1 006 FG 1 006 RA 1 007 FG
1 007 RA 1 008 FG 1 008 RA 1 009 FG
1 009 RA 1 010 FG 1 010 RA 1 012 FG
1 012 RA 1 014 FG 1 014 RA 1 016 FG
1 016 RA 1 018 FG 1 018 RA 1 021 FG
1 021 RA 1 023 FG 1 023 RA 1 025 RA
1 027 RA 1S 010 FG 1S 010 RA 1S 012 FG
1S 012 RA 1S 014 FG 1S 014 RA 1S 016 FG
1S 016 RA 1S 018 FG 1S 018 RA 1S 021 FG
1S 021 RA 1S 023 FG 1S 023 RA 1S 027 RA
1SX 008 RA 1SX 010 RA 1SX 010 RA 1SX 012 RA
1SX 014 RA 1SX 014 RA 1SX 016 RA 1SX 018 RA
1SX 018 RA 1SX 021 RA 1SX 023 RA 1SX 023 RA
1SX 027 RA 1SX 027 RA 1SXM 010 RA 1SXM 010 RA
1SXM 012 RA 1SXM 012 RA 1SXM 014 RA 1SXM 014 RA
1SXM 016 RA 1SXM 016 RA 1SXM 018 RA 1SXM 018 RA
1SXM 021 RA 1SXM 021 RA 1SXM 023 RA 1SXM 023 RA
1SXM 027 RA 1SXM 027 RA

Diamond inverted cone burs (22)

6805 012 FG 6805 014 FG 6805 016 FG 6806 012 FG
6806 014 FG 6806 016 FG 805 010 FG 805 012 FG
805 014 FG 805 016 FG 805 018 FG 806 010 FG
806 012 FG 806 014 FG 806 016 FG 806 018 FG
807 012 FG 807 016 FG CD 09 012 FG CD 12 016 FG
CD 12 018 FG CD 15 016 FG

Diamond cylinder burs (72)

5836 012 FG 6835 009 FG 6835 010 FG 6835 012 FG
6835 014 FG 6836 012 FG 6836 014 FG 6836 018 FG
6836KR 012 FG 6837 012 FG 6837 014 FG 6837 016 FG
6838 012 FG 6880 012 FG 6880 014 FG 835 008 FG
835 009 FG 835 010 FG 835 012 FG 835 014 FG
835 016 FG 835KR 008 FG 835KR 010 FG 835KR 012 FG
835KR 014 FG 835KREF 012 FG 836 012 FG 836 014 FG
836 018 FG 836KR 012 FG 836KR 014 FG 836KR 016 FG
836KREF 012 FG 838 008 FG 838 010 FG 838 012 FG
839 012 FG 880 010 FG 880 012 FG 880 014 FG
8835 010 FG 8835 014 FG 8835KR 010 FG 8835KR 012 FG
8836 012 FG 8836KR 012 FG 8836KR 014 FG 8836KR 016 FG
8838 012 FG 8880 012 FG 8880 014 FG CD 21 010 FG
CD 21 012 FG CD 21 014 FG CD 21G 010 FG CD 21G 012 FG
CD 21G 014 FG CD 24 012 FG CD 24 014 FG CD 24 016 FG
CD 24G 012 FG CD 24G 014 FG CD 27 010 FG CD 27 012 FG
CD 27G 010 FG CD 30 010 FG CD 30 012 FG CD 30 014 FG
CD 30G 012 FG CD 30G 014 FG MI 838 007 FG MI 8838 007 FG

Diamond taper burs (40)

6846 016 FG 6855 012 FG 6855 025 FG 845 009 FG
845 010 FG 845 012 FG 845 014 FG 845 016 FG
845KR 016 FG 845KR 018 FG 845KR 025 FG 845KREF 016 FG
846 012 FG 846 016 FG 846KR 014 FG 846KR 016 FG
846KREF 016 FG 855 012 FG 855 014 FG 855 025 FG
8845KR 014 FG 8845KR 016 FG 8845KR 018 FG 8845KR 025 FG
8846 012 FG 8846KR 014 FG 8846KR 016 FG 8855 012 FG
CD 36 014 FG CD 36 016 FG CD 36 018 FG CD 37 014 FG
CD 37 016 FG CD45 014 FG CI846 012 FG CI846 018 FG
CI846EF 012 FG CI846EF 018 FG CI847 018 FG CI847EF 018 FG

Diamond pear burs (46)

5831 014 FG 6830 010 FG 6830 012 FG 6830 014 FG
6830 016 FG 6831 012 FG 6831 014 FG 6831 016 FG
6831 018 FG 6831R 012 FG 6831R 014 FG 6831R 016 FG
6831R 018 FG 830 009 FG 830 010 FG 830 012 FG
830 014 FG 830 016 FG 831 010 FG 831 012 FG
831 014 FG 831 016 FG 831 018 FG 831R 012 FG
831R 014 FG 831R 016 FG 831R 018 FG 8830 012 FG
8830 014 FG 8831 012 FG 8831 014 FG 8831R 012 FG
8831R 016 FG CD 18 012 FG CD 18 014 FG CD 18 016 FG
CD 18G 012 FG CD 19 014 FG CD 19 016 FG CD 19 018 FG
CD 19G 014 FG CD 19G 016 FG MI 830 009 FG MI 830 012 FG
MI 8830 009 FG MI 8830 012 FG

Diamond round burs (53)

5801 014 FG 5801 016 FG 5801 018 FG 5801 023 FG
6801 010 FG 6801 012 FG 6801 014 FG 6801 016 FG
6801 018 FG 6801 021 FG 6801 023 FG 6801 029 FG
6801L 016 FG 6802 010 FG 6802 012 FG 6802 014 FG
801 009 FG 801 010 FG 801 012 FG 801 014 FG
801 016 FG 801 018 FG 801 021 FG 801 023 FG
801 029 FG 801 035 FG 801EF 007 FG 801EF 014 FG
801EF 018 FG 801EF 023 FG 801EF 029 FG 801L 016 FG
802 010 FG 802 012 FG 802 014 FG 802 018 FG
8801 007 FG 8801 014 FG 8801 016 FG 8801 018 FG
8801 023 FG 8801 029 FG 8801 035 FG CD 03 012 FG
CD 06 014 FG CD 06 016 FG CD 06 018 FG CD 06 023 FG
MI 801 010 FG MI 802 014 FG MI 806 014 FG MI 8802 014 FG
MI 8806 014 FG

Other diamond shapes (5)

813 014 FG 833A 025 FG CD63 010 FG MI 8889 007 FG
MI 889 007 FG

Clinical Use

These burs are used for caries removal, access and outline form, and the internal shaping of Class I through Class V cavity preparations for amalgam, composite and indirect restorations; the carbide finishing burs and fine diamonds smooth and contour the preparation and the restoration.

Care and Reconditioning

Clean, disinfect and sterilize the instruments between uses following the manufacturer instructions and the symbols on each package, and replace an instrument once it loses cutting performance or shows damage. Our Dental Bur Reprocessing & Sterilization Guide covers the workflow for Busch rotary instruments; maximum speeds are in the Dental Bur Speed Chart.

Compare With

Related collections: Busch Filling Bur Collection, MicroPrep Diamond Burs, Composite Finishing Burs, Composite and Amalgam Removal Burs, Dental Carbide Bur Collection, and Crown Preparation Burs. Reference pages: US Bur Number Finder · Busch Bur Size Chart · Color Coding & ISO Guide.

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

FAQ

How do I choose the right item from this collection? Every product page details the exact specification, reference number, and application; for cross-brand references and terminology, see our Bur Comparison Chart, Speed Chart, and Bur Glossary — and our experts are a call away at (917) 480-2682 ext 101.

How should these instruments be reprocessed? Follow the manufacturer’s validated reprocessing instructions and the symbols on each product’s packaging; our reprocessing guide covers the general workflow.

Where are these instruments made? The instruments in this collection are manufactured by Busch & Co. in Engelskirchen, Germany — an ISO 13485-certified specialist in rotary precision instruments since 1905 — and ship fast from our US warehouse.

Further reading: The #330 Pear Bur: Why This Compact Carbide Is a Restorative Workhorse · Dental Burs for Cavity Preparation

  • Fast & Secure Shipping

    Fast and secure delivery from Germany and our US warehouse to your door.

  • Manufactured in Germany

    Crafted by skilled professionals in Germany for unmatched longevity.

  • Trusted by Experts

    Preferred and trusted by dental professionals across the globe.

  • Legacy of Excellence

    A tradition of innovation and craftsmanship since 1905 (Busch) and 1921 (Zepf).

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