Provided are impression trays having one or more breakaway segments that
allow for convenient removal of a portion of the tray, while maintaining
the overall dimensions of the tray. Also provided are methods making
impressions that include removing at least one breakaway segment of the
provided trays. Also provided are impression trays having novel handles
and trays having novel slots for the extrusion of excess impression
material and retention. Further provided are kits and systems that
include such impression trays.