The patient receives a sedative drug through a vein. It goes to work quickly however, you are still awake and able to respond to commands. A patient may choose intravenous anesthesia for simple procedures depending on their level of anxiety. Most people having their wisdom teeth removed or having a dental implant placed will choose intravenous anesthesia. Others may opt for IV Sedation for simple procedures because they do not want to remember theprocedure.