Dental burs can be used for cutting hard tissues – tooth or bone. They’re made from steel, metal, tungsten carbide and diamond grit. There is a bewildering range of dental burs in different dental catalogue, nevertheless for basic veterinary just use a number of burs are required.
All burs have a very shank plus a head. You will find three main types of shank – Long Straight Shank (HP), Latch-type Shank (RA) and Friction Grip Shank (FG)
Long Straight Shank (HP)
These shanks squeeze into the nose cone with the slow speed handpiece when the prophy angle or contra angle is removed. They are used for diamond cutting discs or long 40mm burs. The main use of HP burs is in the trimming of small herbivore cheek teeth.
Latch-type Shank (RA)
These shanks match the latch of the contra-angle on slow speed handpieces. They are generally 20mm long and available in the identical shapes as FG burs.
Friction Grip Shank (FG)
These shanks go with the turbine of a high-speed handpiece. The typical length is 20mm long, but longer surgical lengths can be purchased which are generally 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 range between 1/4 to 9. Smaller the telephone number, the smaller the top. The most effective sizes to make use of 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 are 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 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. Also, they are like white stone, for composite, or green stone, for amalgam.
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