Delivery system for aqueous paste dental materials

Details Delivery system for aqueous paste dental materials Delivery system for aqueous paste dental materials

1994-02-28

1997-04-29

Lucchesi, Nicholas D.

Dentistry

Apparatus

Having intra-oral dispensing means

A61C 504

Patent

active

056242603

ABSTRACT:
A cartridge for delivery of aqueous paste dental materials is provided, wherein the cartridge comprises a cartridge body made from an injection moldable material comprising polyolefin polymers. The cartridge body having a Moisture Permeability less than 25 g mil/m.sup.2 day atm. and an Oxygen Permeability greater than 180 cm.sup.3 mil/m.sup.2 day atm. The cartridge body comprises at least one chamber adapted for holding and simultaneously dispensing an aqueous paste dental material. The cartridge has a polymerizable aqueous paste dental material contained within the chamber of the cartridge body, and the cartridge is specially adapted to be mounted in a hand-held ejector-type gun.

REFERENCES:
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patent: 4538920 (1985-09-01), Drake
patent: 4863072 (1989-09-01), Perler
patent: 4989758 (1991-02-01), Keller
patent: 4995540 (1991-02-01), Colin et al.
patent: 5033650 (1991-07-01), Colin et al.
patent: 5100320 (1992-03-01), Martin et al.
patent: 5297698 (1994-03-01), Martin

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