Also found in: Dictionary, Thesaurus, Financial, Encyclopedia.
a bur with numerous fine cutting blades placed close together; used to contour restorations.
fin·ish·ing bur(finish-ing bŭr)
Bur with numerous fine cutting blades placed close together; used to contour restorations.
a surgical instrument used to ream out the lining of a cavity, for example the lateral ventricle of horses in the operation for roaring, or to debride bone or teeth. A long stem with a round or oval head carrying rasp-like teeth. See also burr.
for shaping and smoothing composite or amalgam when used for filling teeth.