Dentistry – Method or material for testing – treating – restoring – or... – Crown
Patent
1996-05-20
1998-04-21
O'Connor, Cary E.
Dentistry
Method or material for testing, treating, restoring, or...
Crown
A61C 508
Patent
active
057411395
ABSTRACT:
A dental post and core system having an inelastic flexible post. The post, which may be radiopaque and tooth colored, conforms to the natural curved contours of a root canal to reduce machining of the tooth and mechanical weakening of the tooth structure. The post is made of a material having a plurality of fibers, wherein at least one or more of the fibers is non-axially aligned with respect to a straight axis extending from a coronal end to an apical end of a root of the tooth, such as non-axially aligned fibers twisted together, or such as randomly dispersed fibers in a plastic composite. Since not all the fibers are axially aligned, increased strength is achieved by reduction of the possibility of an axially extending fault crack in the resin of the post.
REFERENCES:
patent: 622670 (1899-04-01), Dwight
patent: 732922 (1903-07-01), Clark
patent: 822582 (1906-06-01), Carmichael
patent: 1218289 (1917-03-01), Maker
patent: 3949476 (1976-04-01), Kahn
patent: 4172867 (1979-10-01), Devault
patent: 4622012 (1986-11-01), Smoler
patent: 4631030 (1986-12-01), von Weissenfluh
patent: 4645457 (1987-02-01), Goldman
patent: 4684555 (1987-08-01), Neumeyer
patent: 4696646 (1987-09-01), Maitland
patent: 4726770 (1988-02-01), Kurer
patent: 4738616 (1988-04-01), Reynaud
patent: 4759714 (1988-07-01), Szeguary
patent: 4778388 (1988-10-01), Yuda
patent: 4778389 (1988-10-01), Salvo
patent: 4934936 (1990-06-01), Miller
patent: 4936776 (1990-06-01), Kwiakowski
patent: 4952150 (1990-08-01), Schiwiora
patent: 4990090 (1991-02-01), Roane
patent: 5007837 (1991-04-01), Werly
patent: 5030093 (1991-07-01), Mitnick
patent: 5073112 (1991-12-01), Weil
patent: 5074792 (1991-12-01), Bernadat
patent: 5088927 (1992-02-01), Lee
patent: 5092773 (1992-03-01), Levy
patent: 5116227 (1992-05-01), Levy
patent: 5145373 (1992-09-01), Roane
patent: 5165893 (1992-11-01), Thompson
patent: 5284443 (1994-02-01), Weil
patent: 5320530 (1994-06-01), Fong
patent: 5326263 (1994-07-01), Weissman
patent: 5328372 (1994-07-01), Reynaud et al.
patent: 5407973 (1995-04-01), Hasegawa
patent: 5518399 (1996-05-01), Sicurelli
Brochure, "C-Post", Bisco Company, Itasca, Illinois, undated.
Advertisement "Flexi-Post & Flexi-Flange", Essential Dental Systems, 89 Launing Street, S. Hackensack, NJ 07606 undated.
"A Comparison of Intracanal Stresses in a Post-Restored Tooth Utilizing the Finite Element Method", Cailleteau, J., et al. , Journal of Endodontics, vol. 18, No. 11, pp. 540-544, Nov. 1992.
Masyr Samuel
Sicurelli, Jr. Robert J.
O'Connor Cary E.
Tru-Flex Post Systems, Inc.
Walker Alfred M.
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