MOLDED DENTAL ROOT CANAL FILLING POINTS/CONES AND PROCESS OF MAKING SAME

Title:

MOLDED DENTAL ROOT CANAL FILLING POINTS/CONES AND PROCESS OF MAKING SAME

Document Type and Number:

WIPO Patent Application WO/2014/127310

Kind Code:

A3

Abstract:

The present invention provides an improved root canal filling point/cone that can be manufactured precisely to result in better obturation with less micro-leakage. One aspect of the present invention is directed to a molded root canal filling point/cone. Another aspect of the present invention is directed to a thermo-pressure molding process for manufacturing root canal filling appliances (e.g., Gutta Percha points). Another aspect of the present invention is directed to the structure of the mold (40, 42) for undertaking thermo-injection molding. A further aspect of the present invention is directed to a production line comprising the thermo-injection process.

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Inventors:

LI NATHAN Y (US)
WU DAQING (US)

Application Number:

PCT/US2014/016631

Publication Date:

December 31, 2014

Filing Date:

February 14, 2014

Export Citation:

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Assignee:

LI NATHAN Y (US)

International Classes:

A61C5/04; A61C13/20

Foreign References:

EP2298226A2	2011-03-23
US20090230756A1	2009-09-17
US20130056908A1	2013-03-07

Attorney, Agent or Firm:

LIU, Wen (350 S. Figueroa Street Suite 97, Los Angeles CA, US)

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