dental impression tray M with higher pallet upper

dental impression tray M with higher pallet upper

in the picture the yellow is this tray the blue is the standard tray so you can see the differances

i have searched high and low for deeper impression trays either all these are made for people with no teeth or i have a extremely high pallet no matter how much agitate i use it falls out the back of the tray and it is impossible to register my upper pallet properly this is the most important fitting of a denture this is what holds it in plac