Triodent introduces Triotray for posterior impressions

Triodent reports that the Triotray’s sturdy metal construction and unique side tabs produce consistently successful impressions. Triotray is designed to eliminate the frustration and embarrassment caused by poorly fitting crowns that are the result of distorted impressions. Triotray removes that moment of doubt when you fit a crown and saves time and money spent on adjustments and extra appointments.

The Triotray comes in left and right shapes, with the lingual tabs more vertically oriented than the others. This prevents the tongue displacing impression material from the lingual margins of mandibular crown preparations. With the tongue in a passive position beside the lingual arm, it cannot push up on the tray, a common cause of distortion.

Adjustable side tabs

All the side tabs are adjustable using your fingers or pliers, so it is easy to customize the tray to fit a wide range of mouth shapes and sizes, even if the patient has a shallow palate, wide buccal plate or mandibular tori.

The tray’s thinness and strength in the retro-molar area allows the patient to close easily and comfortably in centric occlusion (maximum intercuspation position). Using the tray is simple. Just place the tray in the mouth and ask the patient to close. Move the tray slightly to make sure it is free from any impingements, and adjust the tabs if necessary.

Tabs lock-in impression material

Once the tray is tried-in and adjusted, a generous amount of impression material is applied to the tray. As the patients closes, the material flows between the side tabs, locking when it sets, thus avoiding the need for adhesive in all but a few putty and wash cases. If the tabs are fully trapped within the impression material, the impression cannot distort and the lab can pour check dies without worry.

An occasional reaction to the Triotray side tabs is that they look uncomfortable, but the tabs are actually shorter than the rims of conventional trays and anyway, because they are adjustable there is no reason for patient discomfort, Triodent clinicians say.