Skip to main content
bur

bur

1 9.9
A small rotating tool dentists or surgeons use to cut and shape teeth and bone
  • noun
  • /bɜr/
  • Specialized
translation icon : fresa
  • The facial recess was opened with a diamond bur, without causing injury to the annular ligament or the chorda tympani.
  • a diamond bur
  • a round bur

Examples

  • Burs are permanently attached to each micro drill to provide greater precision.

    Academic text (1995)
  • The bone is then thinned with a round bur until the flange of the fixture is again visible.

    Academic text (1998)
  • Micro drills are available in six different bur sizes.

    Academic text (1995)
  • Removal of sclerotic dentin in some groups with a bur.

    Academic text (2017)
  • A full range of interchangeable bur tips is available in carbide, diamond, and perforator styles.

    Academic text (1995)
  • At one point during surgery, the patient moved unexpectedly, which caused the rotating shaft of the mastoid cutting bur to burn the facial nerve.

    Academic text (2005)
  • For adjustments, red-coded, ball-shaped diamond burs were used with water spray cooling.

    Academic text (2016)
  • A 4-mm bur was used to drill a trephine through the floor of the involved frontal sinus.

    Academic text (2009)
  • A round bur was used on the two resected surfaces to produce a cup in the center. A G A Broach (raspatory) was used to polish the surface of the cups. H and I

    Academic text (2015)
  • During the dental procedure, the dentist used a bur to carefully shape the enamel of the tooth.

Synonyms

burr
vsbur
  • Specialized
1 8.9

A small spinning tool used to shape hard material

is used specifically to cut hard tissue and bone
bore bit
vsbur
  • Specialized
8.1

A tool for a drill that cuts into rock or other hard material

is for cutting biological hard tissue rather than penetrating stone
burin
vsbur
  • Specialized
9.9

A sharp steel tool for cutting designs into metal, stone, or wood

is a rotating tool used to cut hard tissue rather than incise designs

Compounds

bur grass
  • Specialized
9.9

A grass with spiny seeds that stick to animals and can hurt bare feet

bur marigold
  • Specialized
9.9

A plant with yellow flowers and prickly seeds that stick to fur or clothes

bur oak
  • US
7.8

A large oak tree from central and eastern North America with thick bark and fringed acorn cups

bur reed
  • Specialized
9.9

A marsh plant with long narrow leaves and round spiky fruits that stick to fur

bur-reed family
  • Specialized
9.6

A group of water plants with long grass-like leaves and round flower heads

9.9

A plant with prickly stems and yellow flowers that grows in fields

9.9

A coarse weed with spiny seeds that stick to animals or clothing

A riverbank plant with leaves divided into three parts, small yellow flowers, and seeds that stick to fur

Surface Forms

bur singular
burs plural

Etymology

Bur (tool) comes from an old word for a hard, rough lump, the same idea behind the small, rough seed called a burr. Think of a tiny rough bit that grinds or cuts like a little drill, which is why dentists and surgeons use burs to remove or shape hard material.