Cartridge for viscuos dental material

Details Cartridge for viscuos dental material Cartridge for viscuos dental material

2008-01-22

2008-01-22

Lewis, Ralph A. (Department: 3732)

Dentistry

Apparatus

Having intra-oral dispensing means

Reexamination Certificate

active

10727861

ABSTRACT:
The invention provides a method of extruding dental material from a capsule-like cartridge, by providing a capsule-like cartridge having an elongated body and a nozzle. The elongated body has an inner chamber wall enclosing dental material. The nozzle has an inner channel wall, and a channel wall exit orifice rim. The inner chamber wall has a chamber wall exit port rim, opening between the inner chamber wall and the inner channel wall. The chamber wall exit port rim has a chamber wall exit port rim effective diameter D1. The inner channel wall has an inner channel wall effective diameter D2. The inner channel wall effective diameter D2effectively is greater than the chamber wall exit port rim effective diameter D1.

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