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KometĀ® 858 Needle Diamond Preparation Bur

CRD Item Number: 1901586

Manufacturer SKU: 858.FG.010.A2

Vendor Komet
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Needle shape diamond bur.

Ideal for occlusal onlays, the separation step: Prepare the interproximal region with the separating instrument 858 in an axial direction, protecting the adjacent tooth with a tension-free matrix strip and without extending the preparation.

A matching-shape finishing bur - 8858 diamond finisher.

Indications for Use

Crown and bridge technique, crown preparation, occlusal onlays.

Looking for a way to easily switch to Komet burs? Download and then print a Komet Bur Conversion Card here:

Shank Type

Komet 379 Shank Types

Diamond Grit Size Legend



Komet Diamond Grit Size Legend

Maximum Permissible Speed Legend



Komet Maximum Permissible Speed Guide

Friction Grip Shank:

  • 858.FG.010: 5-Pack (Item Number: 1901586)
  • 858.FG.014: 5-Pack (1901587)

Friction Grip - Short Shank:

  • 858.FGSS.014: 5-Pack (1901588)