Intravenous sedation (IV sedation) is used in the calming of nervous dental patients and anxiety management. The drug is put into a vein. It calms by slowing the pulse and lowering the oxygen level intake, these are measured using a ‘pulse oximeter’.
how to prepare for iv sedation at the dentist? – http://www.ehow.com/video_4400282_how-prepare-iv-sedation-dentist.html