Dentistry – Method or material for testing – treating – restoring – or... – Endodontic
Patent
1991-04-18
1992-03-24
Wilson, John J.
Dentistry
Method or material for testing, treating, restoring, or...
Endodontic
433 81, A61C 502
Patent
active
050982982
ABSTRACT:
An appliance for use in filling an endodontically prepared root canal being in the form of an elongated shaft having a distal end portion of diameter dimensioned to be received in a root canal and with a spiral thread thereon and having, at the opposite end, a shank portion, filler material formed on the shaft distal end portion, the shaft shank portion being receivable in the chuck of a dental tool having means to rotate the shaft, the shaft distal end portion having the filler material thereon being insertable in a root canal and adapted to be rotated by a dental tool to auger the filler material off of the shaft distal end portion and into the root canal, the shaft being removed from the root canal as the filler material is augured into the canal.
The method of utilizing an apparatus for filling an endodontically prepared root canal includes the steps of forming onto an elongated shaft having a distal end portion of diameter dimensioned to be received in an endodontically prepared root canal and the shaft distal end portion having a spiral thread thereon and having a body of filler material thereon, the shaft having a shank portion, inserting the shank portion into the rotatable chuck of a dental tool, inserting the shaft distal end portion having the filler material thereon into a root canal, and activating the dental tool to rotate the shaft to auger the filler material into the root canal, the shaft being removed from the root canal as the filler material is augered therein.
REFERENCES:
patent: 4457710 (1984-07-01), McSpadden
patent: 4758156 (1988-07-01), Johnson
patent: 4894011 (1990-01-01), Johnson
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