A dental bur includes a shank adapted to be held by a dental drill and an abrasive portion he lowermost abrasive portion at the free end of the bur is of a different color from the remaining abrasive portion.

Confirm the maximum rotation speed allowance specified by the bur manufacturer before selecting a bur.

Burs with wider blade such asdiamond burs suppliers tend to come off easily when cutting load exceeds chuck’s holding force.

Bur also may come off easily when a long type bur is used with a mini head.

Dental Burs with worn out shank or chipped blade, and crooked bur tend to come off easily and exert negative influence on bearing durability.

Especially, if you intend to use the bur with a turbine and/or high speed handpiece increasing contra-angle, be sure to select one with right rotation speed allowance.