Dentistry – Method or material for testing – treating – restoring – or... – Endodontic
Patent
1992-06-12
1994-07-05
Mancene, Gene
Dentistry
Method or material for testing, treating, restoring, or...
Endodontic
433225, 433220, 433221, A61C 502, A61C 508
Patent
active
053262638
ABSTRACT:
There is provided a procedure to maintain an otherwise whole tooth, from which the nerve has been removed by carrying out a procedure which includes inserting a thin flexible post, preferably formed of a light-transmitting, physiologically inert material, to the full depth of a prepared relatively narrow tooth nerve canal, which has previously been sealed at its bottom with gutta percha. The post is permitted to abut against the gutta percha. The post is then surrounded by a film of a composite-filler or sealant, which is preferably light-curable, coating the post while supporting and sealing the walls of the canal. The post is sufficiently flexible as to be able to follow the curvature of the canal, which may retain a slight natural curvature. The composite filler or sealant is then cured, preferably by an optical radiation carried through the preferably transparent post. In one embodiment the light-curing post is removable after the sealant has been at least partially cured. There is also provided a post formed of a light-transmitting flexible material, the post comprising a substantially cylindrical shank portion and an inwardly tapering, or convergent, first end.
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Lucchesi Nicholas D.
Magidoff Barry G.
Mancene Gene
Sutton Paul J.
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