oral evacuation

or·al e·vac·u·a·tion

(ōr'ăl ĕ-vak'yū-ā'shŭn)
Clearing oral cavity of saliva, blood, fluids, and debris to maintain a clear operative field during a dental procedure.
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
Supplemental high volume oral evacuation significantly reduced ambient [N.sub.2]O levels during dental procedures.
Code of Administrative Rules, a dental assistant is qualified, only under the direct supervision of the dentist, to assist him with chairside procedures, sterilize instruments, seat and dismiss patients, process radiographs, assist with placement and removal of rubber dams and cotton rolls, perform oral evacuation and provide patient education.