Diamond Instruments / Burs

Speed Diamond Burs – Types and shapes of diamond instruments for dentistry

Endodontic Safe End

• Safe tip – Instruments with a non-cutting end
• To expand pulp chamber safely

Breaking Contact
Thin needle- or flame shaped diamonds are ideal to break the interproximal contact during crown preparation

Endodontic Safe End

• Safe tip – Instruments with a non-cutting end
• To expand pulp chamber safely

Chamfer

• Round end tapered or cylindrical diamond instruments create a chamfered preparation
• Preferred preparation design for metal-ceramic crowns

Shoulder
Tapered or cylindrical diamonds create a shoulder preparation with a 90° margin

Preparation – inverted cone
Used for recreation of occlusal anatomy on restorations and rapid removal of obsolete restorations

Speed Diamond Burs – Types and shapes of diamond instruments for dentistry

Feather Edge
Mainly used for design of stainless steel or cast gold crowns

Modified Shoulder

• Flat end tapered or parallel diamonds with a rounded corner
• Creates a modified shoulder with a preparation with a rounded internal angle and a 90° margin
• Preferred margin for all-ceramic crowns

Margin Refinement

• Refine shoulder preparation for improved crown adaption
• Flatten the floor in inlay/onlay preparation

Depth Cutting

• Depth cuts may be used for crown, Veneer or Onlay preparation
• Depth guides insure adequate but not too much tooth reduction

Trimming & Finishing

• Instruments for embrasure contouring
• Aesthetic trimming
• Finishing before polishing

Preparation – inverted cone
Used for recreation of occlusal anatomy on restorations and rapid removal of obsolete restorations

Preparation – Round
Frequently used for crown preparation, to cut depth guides, occlusal rest preparation, endodontic access and cavity preparation.