Impression tray for retention of impression material
AssigneeTP Orthodontics, Inc.
InventorChristopher K. Kesling
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Abstract
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.
Claims10
A dental impression tray comprising a body of substantially rigid material shaped like the jaw of a person, said body including a cavity for receiving impression material, said cavity being defined by a bottom and upstanding outer flange means, and means for retaining impression material in the cavity during separation of the material from the mouth, said means including spaced anchoring means on the body and at least one elastomeric member stretched on the anchoring means to be engaged by the impression material to inhibit separation of the impression material from the tray when removing the tray/impression material from the mouth after the taking of an impression while thereafter facilitating removal of used impression material from the tray and cleaning of the tray following the recording of the impression.
Dependencies are inferred from the claim text.