A pack of twenty-five unotray impression trays. Each of these trays has been constructed with durable plastic for optimal strength, perforated so as to ensure excellent impression material retention. These single-use trays come in a box of 25 one-size trays and one stainless steel handle, which can be autoclaved.
The plastic cannot bend or warp out of position, so it has better accuracy when taking impressions.
Ideally yes, this will help to protect the soft tissues of your patient's mouth from sharp edges or corners.