Patent ID: 6394802
Filing Date: 2002-05-28
Classification: A61C

Abstract:
Device for producing tooth impressions, with a tray (1) that can cover a plurality of adjacent tooth positions of a jaw, the contour of the tray roughly matching the contour of the jaw, wherein the free edges of the tray walls (12, 16, 26) run so that they can form together with soft tissues of a patient's mouth a sealing point, and which is provided with at least one impression material connection element (30) communicating with the interior of the tray, and with a source (94 to 108) for liquid hardenable impression material (114) that is connected 148) to the impression material connection element (30), wherein the tray (1) has at least one vacuum connection element (32, 34, 36, 194, 198) communicating with the interior of the tray that is connected to a reduced pressure source (90, 92), wherein the reduced pressure source (90, 92) produces a pressure drop in the range between 10 and 500 mbar.