Advantages
Coated metal trays
- Rigid but still bendable
For a more individual fit - Resistant to sterilization
Very durable - Welded rimlock borders
Pressure build-up during impression taking
Stainless steel trays
- Resistant to sterilization
Very durable - Welded rimlock borders
Pressure build-up during impression taking
Plastic spacer trays
- Unique ‘zig zag’ rim
To minimize cusp contact - Rimlock borders
Pressure build-up during impression taking - Disposable