Patent ID: 6116905
Filing Date: 2000-09-12
Classification: A61C

Abstract:
A method of dental impression taking for a patient without the use of a retraction cord and following preparation of an oral site comprising:a) irrigating an oral cavity with a liquidb) air drying the oral sitec) inserting a double arch impression tray having a top and bottom in the area of said oral sited) dispensing a first impression material of durometer measurement of 85 having a high degree of rigidity in both the top and bottom of said tray,e) closing the patient's mouth on said tray in a centric position;f) opening the patient's mouth and pressing said tray on the opposite side of the oral site,g) dispensing a second impression material in the top and bottom of said tray of lower durometer measurement than said first impression measurement,h) said second material having hydrophobic properties being moved hydraulically into the gingival sulcus of said patient when said patient closes his mouth and the material sets, andi) said patient opens his mouth and the tray removed whereby the resulting dental impression has great accuracy in a shorter period of time.