Dental appliance for introducing a filler material into a tooth

Details Dental appliance for introducing a filler material into a tooth Dental appliance for introducing a filler material into a tooth

1976-04-19

1978-06-06

Peshock, Robert

A61C 310

Patent

active

040927784

ABSTRACT:
The appliance has a support which carries a discharge nipple having an elongated interior channel formed with an inlet and an outlet. A pair of tubular guides form a first and a second passage, respectively. The first passage has an open end and the second passage communicates with the inlet of the interior channel. A replaceable magazine has an elongated chamber for a quantity of the filler material and communicates of the open end of the channel in direction transversely to the elongation of the latter. A first expelling element is reciprocable in the first passage and the chamber for expelling a portion of the chamber material and charging it into the channel. A second expelling element is reciprocable in the second passage and channel for expelling the charged portion through the outlet of the nipple. A single drive is provided which effects coordinated reciprocation of both of the expelling elements.

REFERENCES:
patent: 2388805 (1945-11-01), Stahl
patent: 3638314 (1972-02-01), Lopez
patent: 3792530 (1974-02-01), Smith

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