What is triple tray impression?

December 1, 2000. by Ronald N. Porth, DMD. The triple tray technique is a very efficient method for taking impressions. The impression taken prior to preparing the teeth can be utilized to fabricate both the temporary restoration and then the final impression, which includes the opposing occlusion.Click to see full answer. Also, what is impression tray? im·pres·sion tray a receptacle used to carry and confine plastic impression material when making an impression of oral structures.Secondly, how do I select impression tray? SELECTION OF IMPRESSION TRAY. As is the case with all impression materials, it is important to select the correct tray for the dental arch. The stock trays to be selected for alginate should be perforated. Alginate adhesives can be used, apart from perforations, for retention of alginate to the impression tray. Also to know, what is a triple tray used for? The triple tray technique is a very efficient method for taking impressions. The impression taken prior to preparing the teeth can be utilized to fabricate both the temporary restoration and then the final impression, which includes the opposing occlusion.How does a dentist take an impression?A dental impression is a negative imprint of hard (teeth) and soft tissues in the mouth from which a positive reproduction (cast or model) can be formed. It is made by placing an appropriate material in a stock or custom dental impression tray which is designed to roughly fit over the dental arches.