Dental burs can be used cutting hard tissues – tooth or bone. They are manufactured from steel, metal, tungsten carbide and diamond grit. There is a bewildering selection of dental burs in almost any dental catalogue, but also for basic veterinary only use a few burs are required.
All burs use a shank as well as a head. You’ll find three main kinds of shank – Long Straight Shank (HP), Latch-type Shank (RA) Grip Shank (FG)
Long Straight Shank (HP)
These shanks squeeze into the nose cone in the slow speed handpiece as soon as the prophy angle or contra angle is slowly removed. They are utilised for diamond cutting discs or long 40mm burs. The main utilization of HP burs is within the trimming of small herbivore cheek teeth.
Latch-type Shank (RA)
These shanks go with the latch with the contra-angle on slow speed handpieces. They are often 20mm long and obtainable in the identical 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 can be purchased and these can be required 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. Small the telephone number, smaller the pinnacle. The top 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. 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. 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 are often obtained as 12 or 30 bladed burs in carbide steel or as diamond heads of varied shapes. They are also available as white stone, for composite, or green stone, for amalgam.
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