Useful Understanding Of Veterinary Dental Burs
Dental burs can be used for cutting hard tissues – tooth or bone. They may be manufactured from steel, metal, tungsten carbide and diamond grit. There may be a bewildering variety of dental burs in different dental catalogue, nevertheless for basic veterinary only use a few burs are expected.
All burs use a shank as well as a head. You’ll 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 fit into the nose cone from the slow speed handpiece when the prophy angle or contra angle is slowly removed. You can use them for diamond cutting discs or long 40mm burs. The principle use of HP burs is 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 are often 20mm long and for sale in the same shapes as FG burs.
Friction Grip Shank (FG)
These shanks squeeze into the turbine of the high-speed handpiece. The common length is 20mm long, but longer surgical lengths can be purchased and the are commonly essential for veterinary work.
Round Head
These heads can be used cavity preparation, creating access points, undercuts and channels for luxator blades in extraction. Sizes vary from 1/4 to 9. The smaller the quantity, the smaller the pinnacle. The most effective sizes to work with initially are 1, 2, and 4.
Pear Head
These heads bring 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 sectioning multi-rooted teeth and reducing crown height when disarming dogs. One of 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 may be obtained as 12 or 30 bladed burs in carbide steel or as diamond heads of numerous shapes. Also, they are like white stone, for composite, or green stone, for amalgam.
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