Dental burs can be used cutting hard tissues – tooth or bone. They may be manufactured from steel, stainless, tungsten carbide and diamond grit. There may be a bewildering range of dental burs in different dental catalogue, nevertheless for basic veterinary don’t use anything but a few burs are essential.
All burs have a very shank as well as a head. You can find three main types of shank – Long Straight Shank (HP), Latch-type Shank (RA) Grip Shank (FG)
Long Straight Shank (HP)
These shanks go with the nose cone from the slow speed handpiece once the prophy angle or contra angle is removed. You can use them for diamond cutting discs or long 40mm burs. The main usage of HP burs influences trimming of small herbivore cheek teeth.
Latch-type Shank (RA)
These shanks match the latch with the contra-angle on slow speed handpieces. They are generally 20mm long and accessible in the same shapes as FG burs.
Friction Grip Shank (FG)
These shanks squeeze into the turbine of an high-speed handpiece. The conventional length is 20mm long, but longer surgical lengths are available that are generally necessary for veterinary work.
Round Head
These heads bring cavity preparation, creating access points, undercuts and channels for luxator blades in extraction. Sizes range between 1/4 to 9. The lesser the amount, smaller the top. The best sizes to work with initially are 1, 2, and 4.
Pear Head
These heads are used for cavity preparation, access points and splitting roots of small teeth. Essentially 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 can be used for finishing restorations, soft tissue recontouring, alveolaplasty, enameloplasty and odontoplasty. They are often 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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