A dental engine is a large chair-side appliance (possibly including the chair itself) found in a dentist's office. At minimum, a dental engine serves as a source of mechanical or pneumatic power for one or more handpieces

Dental drill

A dental drill is a small, high-speed drill used during dental procedures, usually to remove decay and shape tooth structure prior to the insertion of a filling or crown...

; typically, it will also include a small faucet and a spit-sink, which the patient can use for rinsing, as well as one or more suction hoses, a compressed air/irrigation water nozzle

Dental syringe

A dental syringe is a syringe used by dentists for the injection of an anesthetic. It consists of a breech-loading syringe fitted with a sealed cartridge containing anesthetic solution....

, for blowing and/or washing debris clear of the work area in the patient's mouth, and possibly an ultrasonic cleaning

Ultrasonic cleaning

thumb|300px|Ultrasonic cleaner showing the removable basket in place, and a closeup of the light and timerAn ultrasonic cleaner is a cleaning device that uses ultrasound and an appropriate cleaning solvent to clean delicate items...

appliance, as well as a small table to hold the instrument tray, and possibly a worklight and/or a computer monitor.