Why are special trays used?

A special tray is a custom made device prepared for a particular patient which is used to carry, confine and control an impression material while making an impression.

Why are custom trays needed?

Using a custom tray means creating an article which is tailor-made to the anatomy of the patient, resulting in a more precise impression, increased patient comfort, and less wastage of material.

What is dental special tray?

A special tray is an impression tray custom made for an individual patient by a denturist (dental technician), usually made from acrylic, such as polymethyl methacrylate, or shellac. A stock tray is used to make a preliminary impression, from which a model can be cast.

What is a custom tray used for in dentistry?

Impression trays serve to carry, confine and control the impression material from the patient’s mouth. A custom tray is used to help insert and remove the impression material more easily.

What is special tray?

A special tray is a custom made device prepared for a particular patient which is used to carry, confine and control an impression material while making an impression.

How are the trays prepared for the impression material?

How are the trays prepared for the impression material? to know the size of the patients mouth you need to evaluate his or her mouth and select the tray that is more accurate to his or her size. If the tray needs to be elongated, utility wax can be used.

Why are special trays perforated?

TYPES OF IMPRESSION TRAYS



Impression trays are used to hold the impression material, allowing the operator to place it into the patients’ mouth. They may be perforated for better retention of the impression material.

How do you take impressions with special tray?

Quote from video:
The handle provides the grip to hold the tray while I'm taking the impression inside the patient's mouth later on. So I need to hold the chaise securely in my fingers.