Kit and method for taking a dental impression

Dentistry – Apparatus – Having static product shaping surface

Reexamination Certificate

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Reexamination Certificate

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07101179

ABSTRACT:
A kit for taking a dental impression comprises a thermoplastic material for bite registration on one jaw side, an impression compound for taking an impression of the opposite jaw side, and a tray for receiving the thermoplastic material on one side and the impression compound on an opposite side thereof. The tray includes a pair of opposing side walls and a flexible membrane extending therebetween, the flexible membrane defines a first receiving area and a second receiving area, the thermoplastic material is adapted to be molded to the flexible membrane and the side walls and extend past each of the side walls in order to impart sufficient rigidity to the tray.

REFERENCES:
patent: 3250004 (1966-05-01), Jones
patent: 4204323 (1980-05-01), Neubert et al.
patent: 4619610 (1986-10-01), Pelerin
patent: 4689010 (1987-08-01), Wolfe
patent: 5066231 (1991-11-01), Oxman et al.
patent: 5415544 (1995-05-01), Oxman et al.
patent: 5513985 (1996-05-01), Robertson
patent: 5733118 (1998-03-01), Pankuch et al.
patent: 5807100 (1998-09-01), Thornton
patent: 6749428 (2004-06-01), DiMarino et al.
patent: 63-270759 (1988-08-01), None
patent: 96/37162 (1996-11-01), None
Ullmann's Encyclopedia of Industrial Chemistry, 5thEdition, vol. A8, “Dental Impression Materials”, pp. 284-289, 1987.

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