Dental Lab Burs for Model Making Collection

Which Model Making Lab Bur Do You Need?

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

Carbide burs and cutters

Category	What it covers
Dental Lab Carbide Bur Collection	HP carbide burs and cutters: round, fissure, inverted cone, bud, flame, pear and more
Double Cut (Crosscut) Carbide Cutters	carbide cutters in coarse to super-fine double-cut toothings
Carbide Flame Cutters for Dental Labs	flame-shaped carbide cutters
Left-Handed Carbide Cutters	left-hand cut carbide cutters
MIDI Carbide Burs	compact MIDI carbide burs
SHORTIE Carbide Burs	short-shank SHORTIE carbide burs

Steel burs

Category	What it covers
Dental Lab Steel Bur Collection	HP steel burs, cutters, wheels and twist drills
Dental Lab Economy Steel Burs	economy (non-carbide) steel burs

Diamond burs and discs

Category	What it covers
DiaTwister Lab Burs	DiaTwister diamond burs
HP Dental Lab Diamond Burs	HP diamond lab burs
Dental Lab Diamond Disc & Saw Burs	diamond discs
911PS for Plaster Models	the 911PS disc for plaster models

Materials and Construction

The main material technologies in Dental Lab Burs for Model Making are tungsten carbide, steel and diamond. Tungsten carbide burs deliver aggressive, clean cuts through plaster and acrylic materials, maintaining a sharp edge across extended use cycles. Steel burs, cutters and twist drills are an economical choice for plaster and acrylic work. Diamond instruments, including the DiaTwister burs and diamond discs, are the choice when refining 3D printed resins, as their abrasive surface removes material gradually without generating the heat buildup or mechanical stress that can cause model deformation or cracking.

Choosing the Right Bur

Matching the correct Dental Lab Burs for Model Making to each substrate ensures longer tool life, reduced heat transfer, and superior surface quality. Carbide burs are best suited for harder gypsum products and acrylics, while diamond burs excel on softer, photopolymer-based prints. Grit selection, shank type, and geometry should all be considered relative to the handpiece or micromotor being used.

Find a Model Making Lab Bur by Busch Number

Every product currently in this collection, grouped by instrument type. Open a group and select a Busch number to see the full specification.

Carbide burs, saws and wheels (107)

1 003	1 004	1 005	1 006
1 007	1 008	1 009	1 010
1 012	1 014	1 016	1 018
1 021	1 023	1 025	1 027
1SXM 010	1SXM 012	1SXM 014	1SXM 016
1SXM 018	1SXM 021	1SXM 023	2 006
2 007	2 008	2 009	2 010
2 012	2 014	2 016	2 018
2 023	3 012	21 008	21 009
21 010	21 012	21 014	21 016
21 018	21 021	21 023	21L 010
21L 012	21L 014	21R 010	21R 012
21R 014	23 008	23 009	23 010
23 012	23 014	23 016	23L 010
23L 012	23R 008	23R 010	23R 012
23R 014	23R 016	23R 018	31 008
31 009	31 010	31 012	31 014
31 016	31 018	31 021	31 023
31L 010	31L 012	31R 009	31R 010
31R 012	31R 014	31R 016	31R 018
33 008	33 009	33 010	33 012
33 014	33 016	33 018	33 021
33 023	33L 010	33L 012	33L 016
33R 010	33R 012	33R 014	33R 016
33R 018	424GX 060	424GX 080	425GX 060
425GXA 060	425SG 060	426GX 060	429GX 045
429GX 060	429GX 070	429GXA 060

Carbide cutters (82)

421 031	421 040	421 050	421X 027
421X 031	421X 040	421X 050	421X 060
423FX 060	423X 060	424 040	424 060
424FX 040	424FX 060	424G 080	424SGX 060
424SGX 080	424X 040	424X 060	424X 070
424X 080	425 040	425 060	425FX 040
425FX 060 HP	425FX 060 HP	425G 060	425SGX 060
425SGXA 060	425X 040	425X 060 HP	425X 060 HP
425X 070	426 023	426 060	426FX 023
426FX 060	426SGX 060	426X 023	426X 060
427 060	427FX 029	427FX 060	427X 029
427X 060	428 060	428FX 023	428FX 060
428X 023	428X 060	429 031	429 045
429 060	429FX 031	429FX 040	429FX 045 HP
429FX 045 HP	429FX 060 HP	429FX 060 HP	429G 045
429SGX 045	429SGX 060	429SGX 070	429SGXA 060
429SGXA 070	429X 031	429X 040	429X 045 HP
429X 045 HP	429X 060 HP	429X 060 HP	431FX 023
431X 023	432 023	432FX 023	432X 023
433 023	433 060	433FX 023	433X 023
433X 060	515 023

MIDI carbide burs (18)

M 426FFX 016	M 426FFX 023	M 426FX 016	M 426FX 023
M 426X 016	M 426X 023	M 428FFX 016	M 428FFX 023
M 428FX 016	M 428FX 023	M 428X 016	M 428X 023
M 433FFX 016	M 433FFX 023	M 433FX 016	M 433FX 023
M 433X 016	M 433X 023

SHORTIE carbide burs (32)

S 420FX 018	S 421FX 010	S 421FX 014	S 421FX 023
S 421X 014	S 421X 023	S 422FX 014	S 422FX 023
S 422X 014	S 422X 023	S 423FX 014	S 423FX 023
S 423X 014	S 423X 023	S 426FX 014	S 426FX 023
S 426X 014	S 426X 023	S 427FX 023	S 427X 023
S 428FX 023	S 428X 023	S 430FX 023	S 430X 023
S 431FX 014	S 431FX 023	S 431X 014	S 431X 023
S 433FX 014	S 433FX 023	S 433X 014	S 433X 023

Steel burs, cutters and twist drills (118)

1 005	1 006	1 007	1 008
1 009	1 010	1 012	1 014
1 016	1 018	1 021	1 023
1 025	1 027	1 029	1 031
1 033	1 035	1 037	1 040
1 042	1 045	1 047	1 050
2 006	2 007	2 008	2 009
2 010	2 012	2 014	2 016
2 018	2 021	2 023	3 006
3 007	3 008	3 009	3 010
3 012	3 014	3 016	3 018
3 021	3 023	3 025	3 027
3 029	3 050	36 006	36 007
36 008	36 009	36 010	36 012
36 014	36 016	36 018	36 021
36 023	36 025	36 027	36 029
36 031	38 005	38 006	38 007
38 008	38 009	38 010	38 012
38 014	38 016	38 018	38 021
38 023	38 025	38 027	38 029
38 031	71 050	71 060	71 070
71 080	72 050	72 060	72 070
72 080	75 050	75 060	75 070
75 080	77 060	77 070	78 050
78 070	79 045	79 055	203 005
203 006	203 007	203 008	203 009
203 010	203 011	203 012	203 013
203 014	203 015	203 016	203 017
203 018	203 019	203 020	203 021
203 022	203 023

Diamond burs (2)

5405 090

5405 115

DiaTwister burs (10)

DT4854R 100	DT4854R 120	DT4880 085	DT4880 100
DT4880 120	DT5854R 095	DT5854R 115	DT5880 080
DT5880 095	DT5880 115

Diamond discs (2)

911PS 300

911S 220

Clinical Use

These HP carbide, steel and diamond instruments are used in the laboratory to trim, shape and detail plaster and stone models, acrylic bases and trays, and 3D printed resin models. The existing list of applications follows.

Typical applications

• Trimming and contouring plaster and stone dental casts
• Shaping acrylic model bases and trays
• Refining and detailing 3D printed resin models
• Removing excess material from die stone preparations
• Surface finishing prior to articulation or scanning

Care and Reconditioning

Clean, disinfect and sterilize the burs, abrasives and polishers between uses following the manufacturer instructions, and replace an instrument once it loses cutting or polishing 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 Busch collections: Dental Lab Burs for Model Casting, Dental Lab Burs for Plastics Technology, Dental Lab Carbide Bur Collection, Dental Lab Steel Bur Collection, and Busch Dental Lab Bur Collection.

Reference resources: Bur Comparison Chart · Speed Chart · Color Coding & ISO Guide · Glossary

FAQ

What is the difference between carbide and diamond burs for model making? Carbide burs cut through hard materials such as plaster and acrylic efficiently, whereas diamond burs abrade softer materials like 3D printed resins without excessive heat generation.

Can these burs be used with any dental handpiece? Compatibility depends on shank type and size; always verify the shank specification against your handpiece or micromotor before use.

Is this part of a larger dental lab bur range? Yes — see the full Busch Dental Lab Bur Collection for carbide, steel, and diamond options alongside these model-making burs.