Anatomical intra-orally moldable dental impression tray and meth

Details Anatomical intra-orally moldable dental impression tray and meth Anatomical intra-orally moldable dental impression tray and meth

1977-10-20

1980-10-14

Mancene, Louis G.

Dentistry

Apparatus

Having static product shaping surface

433 41, A61C 900

Patent

active

042278775

ABSTRACT:
Dental impression trays, full, quadrant and anterior, shaped to closely conform to either the maxillary or mandibular ridges for either dentulous or edentulous cases have sections which anatomically approximate surrounding tissue areas with peripheral border relief for muscle attachments and contiguous tissue areas. The trays are formed of an acrylic having a glass transition temperature slightly above body temperature so that they may be heated above their softening temperature exteriorly of the oral cavity, positioned over the oral area of which an impression is to be made, and then manually molded to approximate intimate conformity to the desired oral structures before they harden. A pleat formed in the central vault of a maxillary tray accommodates transverse adjustment. When the tray cools and hardens it is removed, allowing a custom final impression to be thus formed in a single procedure.

REFERENCES:
patent: 1955709 (1934-04-01), Kinsley
patent: 2577513 (1951-12-01), Cunningham
patent: 3112744 (1963-12-01), Grossberg
patent: 3224441 (1965-12-01), Monaghan
patent: 3247844 (1966-04-01), Berghash
patent: 3312218 (1967-04-01), Jacobs
patent: 3473225 (1969-10-01), Deuschle et al.
patent: 3839796 (1974-10-01), Hazar
patent: 3864832 (1975-02-01), Carlson
patent: 3924638 (1975-12-01), Mann
patent: 4017971 (1977-04-01), Hazar
"Plastics Materials", 8-1966, Brydson, pp. 33, 34, 45, 46, 51, London Iliffe Books LTD.

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