burr(redirected from a burr under saddle)
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a form of drill used for creating openings in bone or similar hard material. Also spelled burr.
bur(ber), This spelling is preferred to burr.
1. A rotary cutting instrument.
2. In ophthalmology, a device used to remove rust rings embedded in the cornea.
burrA drill bit used to cut hard tissues (e.g., enamel, bone) in dentistry or orthopaedics.
burrA drill bit used to cut hard tissues–enamel, bone in dentistry or orthopaedics
A rotary cutting instrument, used in dentistry, consisting of a small metal shaft and a head designed in various shapes; used at various rotational velocities to excavate decay, shape cavity forms, and reduce tooth structure.