Fundamental Info On Veterinary Dental Burs

Dental burs can be used cutting hard tissues – tooth or bone. They are made of steel, stainless-steel, tungsten carbide and diamond grit. There can be a bewildering range of dental burs in a dental catalogue, but for basic veterinary don’t use anything but a number of burs are essential.

All burs possess a shank along with a head. There are three main kinds 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 from the slow speed handpiece when the prophy angle or contra angle is slowly removed. They are utilized for diamond cutting discs or long 40mm burs. The main usage of HP burs is incorporated in the trimming of small herbivore cheek teeth.

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

Friction Grip Shank (FG)
These shanks go with the turbine of an high-speed handpiece. The typical length is 20mm long, but longer surgical lengths are available and these are normally necessary for veterinary work.

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

Pear Head
These heads are used for 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 for 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 bring finishing restorations, soft tissue recontouring, alveolaplasty, enameloplasty and odontoplasty. They can be obtained as 12 or 30 bladed burs in carbide steel or as diamond heads of various shapes. They’re also like white stone, for composite, or green stone, for amalgam.
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