It is no longer necessary to schedule multiple appointments at the dentist's office for the placement of a crown. The traditional crown process requires an initial visit to prepare the tooth and take an impression, followed by another visit for the placement of the crown several weeks later. The worst part about this old-fashioned crown creation and placement process was that it took several weeks for the dental lab to make the crown based on the impression. CEREC crown technology now exists to create the perfect crown for the nuances of your unique tooth in a single day. There are countless advantages to same day crowns.