« How soon may I return to work after treatment?What if there is not enough bone or gum tissue for the dental implant? » How long does it take to place dental implants? Published on: January 4, 2012 | Author: Sysop They may be placed in as little as 30 to 60 minutes depending on the location and the number of implants placed. « How soon may I return to work after treatment?What if there is not enough bone or gum tissue for the dental implant? »