Prosthesis for devitalized tooth

Details Prosthesis for devitalized tooth Prosthesis for devitalized tooth

1990-03-02

1991-12-24

Swiatek, Robert P.

Dentistry

Method or material for testing, treating, restoring, or...

Crown

433224, A61C 508

Patent

active

050747924

ABSTRACT:
A devitalized tooth having an outer surface at which opens a longitudinally extending and empty pulp cavity into which open transverse tubules is rebuilt by a prosthesis comprising a peg engaged with spacing in the cavity and having an outer end projecting from the cavity past the outer surface of the tooth, a prosthesis body adhered to the outer end of the peg, and a generally conical flexible and porous sheath formed of high-strength filaments surrounding the peg in the cavity. A solid mass formed of a durable resin that has a very low surface tension when liquid fills the cavity around the peg and the tubules. The sheath is wholly imbedded in the cavity in the mass.

REFERENCES:
patent: 4253835 (1981-03-01), Ware
patent: 4622012 (1986-11-01), Smoler
patent: 4952150 (1990-08-01), Schiwiora et al.
Search Report issued in priority application (French 89 03 001) listing the two patents being filed herewith.

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