SECTION 15
IMPRESSION TRAYS
Impression trays are used in conjunction with various types of materials to take imprints of the patient’s dentition. The type of tray chosen depends on the type of impression needed and the procedure that is indicated.
FUNCTIONS AND FEATURES OF IMPRESSION TRAYS
- Used to hold impression material
- Can be perforated for better retention
- Have a handle for better grasp during placement and removal
- Dentate impression trays – for patients with teeth
- Edentulous impression trays – for patients with no teeth
TYPES OF IMPRESSION TRAYS
FIGURES 15.1; 15.2
Name
Metal perforated type trays
Features
- Autoclavable
- Available in different sizes (denoted by nu/>