Partial & Full Denture, Impression Trays/Set Of 6 & 8 S-M-L-XL Upper & Lower Impression trays used to hold the Impression material in place to take a Impression of the tissue surfaces in the oral cavity. It is a device used to carry, confine & control the impression material from the patient mouth. Its purpose is to give rigid support to the impression material & Facilitate the introduction of impression material to the mouth. We have different types of impression trays available & listed with their different size. Impression trays hold the impression material while the impression is being created intraorally, and then provide a firm backing to make sure the impression is a free of distortions as it finishes setting. Aver® Dental Impression trays serve to: • Facilitate insertion. • Carry the impression material to the mouth. • Support it in the correct position while it is hardening. • Remove of impression material from the patient's mouth. Other Specifications: Material: Stainless SteelRusting Prevention Procedure: PassivityUltrasonic Cleaned: YesPolished: YesTests Performed: Boil Test, Performance Test, Shape TestQC Passed: Yes