| 摘要 |
A dental impression tray of substantially rigid material having impression material retention means for enhancing the retention of the impression material to the tray during the removal of the tray/impression material from the mouth after taking of an impression and for facilitating the removal and cleaning of the impression material from the tray after the impression has been recorded wherein the retaining means includes one or more elastomeric members stretched between anchoring points and positioned to be enveloped by the impression material loaded into the tray.
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