Dentistry – Apparatus – Having static product shaping surface
Patent
1990-08-23
1992-08-04
Wilson, John J.
Dentistry
Apparatus
Having static product shaping surface
433 34, 433 48, 433214, A61C 900, A61C 1900
Patent
active
051353920
ABSTRACT:
A self contained dental tray for taking impressions of teeth and associated soft tissues which requires no prevous application of adhesive to allow the teeth and impression to separate. In all of the embodiments the room temperature vulcanizable rubber and its hardener are included in the tray without the danger of premature hardening during shipping and storage.
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patent: 4167618 (1979-09-01), Schmidt et al.
patent: 4368040 (1983-01-01), Weissman
patent: 4672081 (1987-06-01), Fisher et al.
patent: 4776792 (1988-10-01), Wagner et al.
Cherichetti Cindy A.
Wilson John J.
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