Dental burs bring cutting hard tissues – tooth or bone. They are created from steel, stainless steel, tungsten carbide and diamond grit. There is a bewildering range of dental burs in a dental catalogue, nevertheless for basic veterinary use only a couple of burs are required.
All burs use a shank plus a head. You will find three main kinds of shank – Long Straight Shank (HP), Latch-type Shank (RA) Grip Shank (FG)
Long Straight Shank (HP)
These shanks squeeze into the nose cone with the slow speed handpiece after the prophy angle or contra angle is slowly removed. They are utilised for diamond cutting discs or long 40mm burs. The principle utilization of HP burs is in the trimming of small herbivore cheek teeth.
Latch-type Shank (RA)
These shanks fit into the latch from the contra-angle on slow speed handpieces. They are generally 20mm long and available in exactly the same shapes as FG burs.
Friction Grip Shank (FG)
These shanks go with the turbine of your high-speed handpiece. The common length is 20mm long, but longer surgical lengths can be purchased and the are normally essential for veterinary work.
Round Head
These heads bring cavity preparation, creating access points, undercuts and channels for luxator blades in extraction. Sizes vary from 1/4 to 9. Smaller the telephone number, the smaller your head. The very best sizes to use initially are 1, 2, and 4.
Pear Head
These heads are used for cavity preparation, access points and splitting roots of small teeth. Probably the most useful sizes are 330 and 330L
Crosscut Tapered Fissure Head
These heads can be used for sectioning multi-rooted teeth and reducing crown height when disarming dogs. Essentially the most useful sizes are 700/700L and 701/701L.
Finishing Burs
These heads can be used for finishing restorations, soft tissue recontouring, alveolaplasty, enameloplasty and odontoplasty. They may be obtained as 12 or 30 bladed burs in carbide steel or as diamond heads of assorted shapes. They are also like white stone, for composite, or green stone, for amalgam.
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