bur hole

bur hole

(bŭr hōl)
Opening in bone created by a small surgical cutting tool.
References in periodicals archive ?
After a CT scan, it was noted that the patient had a "bur hole" in her left temple which had resulted from a past craniotomy.
For intraoperative identification of impacted supernumerary teeth and their subsequent removal, bur holes were made in both buccal and lingual cortical plates.