In 1996 and 2006, all Illinois dental sedation and general anesthesia (GA) permit holders were surveyed, with results published in Anesthesia Progress . Information was acquired to show some of the aspects of outpatient dental sedation practices. 1 , 2 In 2016, a statewide decennial survey was again conducted to investigate the office sedation/anesthesia practices among Illinois dental sedation permit holders and to identify the trends within the 20-year study. As Illinois is a central state with a diverse population, including both large