Dentistry – Apparatus – Having static product shaping surface
Patent
1999-09-07
2000-11-21
Lewis, Ralph A.
Dentistry
Apparatus
Having static product shaping surface
433 44, A61C 1300
Patent
active
061494275
ABSTRACT:
An apparatus and method for fabricating and fitting dentures that employs a Biteblock/Impression Tray and a Preset Teeth Carrying Tray. The Biteblock/Impression Tray is produced for both upper and lower dental arches with a wax biteblock attached to each, and shaped with flanges and a palate on the upper tray to accommodate the taking of impressions. The Preset Teeth Carrying Tray is produced for both upper and lower dental arches with the denture teeth mounted in their anatomical position to a plastic tray using wax that is festooned around the teeth and simulates the gum tissue. Each denture tooth is produced with a retention groove below the gum line and has the glaze removed from the roots prior to being mounted in the wax on the Preset Teeth Carrying Tray. Since the teeth are in their correct anatomical position with wax simulating the gum tissue, the teeth can be easily transferred as a unit to a stone model of the patient's dental arch for denture fabrication.
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Krantz, W. et al., "Combining Final Impressions and the Centric Jaw Relation Records into One Appointment by Using an Irreversible Hydrocolloid Blockout Technique", The Journal of Prosthetic Dentistry, vol. 66, PG 821-2, Dec. 1991.
Lewis Ralph A.
O'Banion John P.
Van Handel William J.
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