Dental retraction cord

Details Dental retraction cord Dental retraction cord

1988-08-30

1990-01-09

Wilson, John J.

Dentistry

Apparatus

Having absorption means or means to isolate tooth or mouth...

A61C 514

Patent

active

048924822

ABSTRACT:
A gingival tissue retraction cord made, in the disclosed embodiment, of strands impregnated with suitable therapeutic preparations is stiffened with a stiffener strand, in the described example a copper wire threaded through the core of the cord. The stiffener is made of material which provides the cord with deformability, i.e. a feature whereby the cord can be bent but retains the bent or deformed state.

REFERENCES:
patent: 2174796 (1939-10-01), Luzzi
patent: 2522794 (1950-09-01), Medof
patent: 4321038 (1982-03-01), Porteous

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