FRINGED IMPRESSION TRAY
Document Type and Number:
Japanese Patent JP2001204744
To prevent a patient from having a pain in spite of strongly pressing the edge of a tray to a cheek mucosa or gums when inserting the impression tray into the mouth of the patient.
A round edge is arranged at all or a part of the border of a tray body.
July 31, 2001
January 25, 2000
A61C9/00; A61C9/00; (IPC1-7): A61C9/00