There were 7276 e-mail requests sent to dentists in the United States and Canada requesting participation in a short web-based survey to update earlier information regarding the use of dental outpatient sedation. Participants were questioned regarding their use of dental outpatient sedation, including the frequency of use, type of sedation used, route ofadministration, medications used, physiologic monitoring employed, and availability qfantagonist medications and an automated external defibrillator In comparison to earlier studies, the use of outpatient dental sedation continues to change. The use of enteral sedation may be increasing, but now is differentiated by minimal and moderate sedation with different training requirements. The use of parenteral sedation by practitioners also appears to be increasing.