Dental impression tray for taking upper and lower maxillary impressions, has wedging unit constituted with wedges having dimensions to form zone contacting with several teeth and/or mucosa of maxillary

摘要

The tray has a sulcus in the form of a horseshoe with its bottom provided with set of orifices to receive a wedging unit. The wedging unit is constituted with wedges (14) in cloverleaf shape, wedges (14A) in U-shape and wedges (14B) in hollow prism shape. The wedges are arranged in triangular form and have dimensions to form a zone contacting with several teeth and/or mucosa of maxillary.