2006-4-7 2004-4-15 Soft molds are taken of the patient's upper and lower jaws. The patient is asked to hold the soft impression material in their mouth for a few seconds until it is firm. The molds are delivered to a lab that either constructs a set of plaster casts or a computerized 3-D model of the patient's jaws and teeth. 181924 text/html 1.0 EN index,follow orthodontic models computerized 3-D model dental imaging Dental Imaging Center - Orthodontic Models (Impressions) text