By UNCLLS payday loans
Written by Dentistry Today Thursday, 02 June 2011 17:39
• Impression Materials •
George Freedman, DDS
The process of taking impressions is simply to transfer 3-D physical data from the patient's mouth to the stone model—as accurately as possible and as comfortably as possible. The greater the transfer accuracy, the better the crown or bridge will fit, and the less time needed for chairside adjustment. This is not a major clinical concern until the practitioner realizes that chairside time costs $6 to $8 per minute.
Hydrophilic versus hydrophobic