Abstract: Gypsum-based molding materials are customized by hydrating the molding material to workable (malleable) consistency with a moistening solution containing 0.001 to 60% polytetrafluoroethylene. The addition of latex results in a more flowable material.
Abstract: This invention provides a device for use in making dental models comprising a tray support a having an opening and a tray having an inferior surface with a projection from said inferior surface of said tray, wherein said projection of said tray fits into said opening in said tray support, said tray support having attached thereto hinge portions which are capable of interaction with hinge portions from a second tray support to form a completed hinge means.