Useful Knowledge About Veterinary Dental Burs

Dental burs can be used for cutting hard tissues – tooth or bone. These are manufactured from steel, stainless-steel, tungsten carbide and diamond grit. There might be a bewildering variety of dental burs in almost any dental catalogue, nevertheless for basic veterinary just use a couple of burs are essential.

All burs have a very shank and a head. You will find three main forms of shank – Long Straight Shank (HP), Latch-type Shank (RA) and Friction Grip Shank (FG)

Long Straight Shank (HP)
These shanks go with the nose cone with the slow speed handpiece once the prophy angle or contra angle is slowly removed. They are utilised for diamond cutting discs or long 40mm burs. The primary use of HP burs is in the trimming of small herbivore cheek teeth.

Latch-type Shank (RA)
These shanks match the latch in the contra-angle on slow speed handpieces. They sometimes are 20mm long and obtainable in precisely the same shapes as FG burs.

Friction Grip Shank (FG)
These shanks match the turbine of a high-speed handpiece. The typical length is 20mm long, but longer surgical lengths can be found that are normally essential for veterinary work.

Round Head
These heads are used for cavity preparation, creating access points, undercuts and channels for luxator blades in extraction. Sizes vary from 1/4 to 9. Small the number, small the head. The best sizes to work with initially are 1, 2, and 4.

Pear Head
These heads can be used cavity preparation, access points and splitting roots of small teeth. One of the most useful sizes are 330 and 330L

Crosscut Tapered Fissure Head
These heads can be used sectioning multi-rooted teeth and reducing crown height when disarming dogs. Probably 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 varied shapes. They are also like white stone, for composite, or green stone, for amalgam.
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