Patent ID: 7690918
Filing Date: 2010-04-06
Classification: A61C

Abstract:
1. An impression tray comprising: at least one wall and a base configured to be placed around at least a portion of a jaw while retaining impression material; a plurality of segments comprising at least one breakaway segment, said at least one breakaway segment configured to be independently removable from the impression tray by breaking along weakened areas, such that removal of said at least one breakaway segment creates an opening in the base and/or in the wall of said impression tray, while maintaining the dimensions of said impression tray; and a handle having at least one opening, wherein said at least one opening in the handle is aligned with said at least one breakaway segment; wherein a common opening is formed of said at least one opening in the handle and said opening in the base and/or in the wall when said at least one of breakaway segment is removed, wherein the common opening allows a post or other protrusion from the jaw to extend through the common opening without significantly contacting the impression tray.