
Keystone Tray Aways are disposable impression trays designed for use with alginate and other impression materials where detailed reproduction and dimensional stability are essential. Made from rigid, high-impact FDA-approved styrene, they feature smooth rounded edges, interior retention slots, and vertical perforations that enhance material retention while helping prevent distortion or bite-through. This perforated #3 medium upper tray is supplied 12 per bag.
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Keystone Tray Aways are disposable impression trays designed for use with alginate and other impression materials where detailed reproduction and dimensional stability are essential. Made from rigid, high-impact FDA-approved styrene, they feature smooth rounded edges, interior retention slots, and vertical perforations that enhance material retention while helping prevent distortion or bite-through. This perforated #3 medium upper tray is supplied 12 per bag.
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