Dentistry – Prosthodontics – Impression taking or bite determination
Patent
1996-12-02
1998-03-03
Wilson, John J.
Dentistry
Prosthodontics
Impression taking or bite determination
433 37, 433 48, A61C 900
Patent
active
057228329
ABSTRACT:
A dental impression technique is disclosed which actually includes the presents of air pockets within the dental impression material. The technique describes including small sponges into the tray impression material while mixing base and catalyst. Air pockets are thus created evenly within the impression material. Air pockets may also exist by mixing air into material, small premanufactured spheres, or by chemical reaction.
REFERENCES:
patent: 4740159 (1988-04-01), Hamilton et al.
patent: 4923905 (1990-05-01), Masuhara et al.
patent: 4978298 (1990-12-01), Eliasz
patent: 5497913 (1996-03-01), Baker
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