Abstract: Ceramic filler compositions of customized shapes (FIGS. 1-30) according to the present invention, includes ceramic and glass-ceramic particles having a customized shape which provides mechanical locking within a resin matrix giving significantly improved fracture toughness performance for a resin/glass or ceramic composite system. The material has particular application as a tooth filling material with significantly improved wear resistance. The wide range of unique-shaped filler particles are produced using wet chemistry methods according to the invention of preparing the ceramic particles for use in a resin matrix composite material. Such composite materials have a very wide application, especially as a dental composite filling material for restoring a tooth.
Type:
Grant
Filed:
May 13, 2004
Date of Patent:
July 1, 2008
Assignee:
New Age Biomaterials, Inc.
Inventors:
Derek W. Jones, Amin S. Rizkalla, Gordon C. Hall
Abstract: A dental construct according to the present invention includes a glass-ceramic coping having a resin composite material in the form of a veneer bonded or otherwise affixed to at least a portion of the coping. A method according to the invention of preparing the dental construct includes the step of bonding or otherwise affixing a resin composite material in the form of a veneer to at least a portion of a glass-ceramic substrate coping.
Type:
Application
Filed:
August 5, 2002
Publication date:
December 26, 2002
Applicant:
New Age Biomaterials, Inc.
Inventors:
Derek W. Jones, Amin S. Rizkalla, Gordon C. Hall