US 11,864,968 B2
System for insertion into the root canal, method for obtaining a fastening element using said system and fastening element
Roberto Queiróz Martins Alcântara, Londrina (BR); Guilherme Guedes Moreno, Londrina (BR); and Eduardo Lima Costa, Londrina (BR)
Assigned to ANGELUS INDUSTRIA DE PRODUTOS ODONTOLOGICOS S/A, Londrina (BR)
Filed by ANGELUS INDUSTRIA DE PRODUTOS ODONTOLOGICOS S/A, Londrina (BR)
Filed on Aug. 21, 2020, as Appl. No. 16/999,477.
Prior Publication US 2022/0054229 A1, Feb. 24, 2022
Int. Cl. A61C 5/35 (2017.01); A61C 5/70 (2017.01); A61C 8/00 (2006.01)
CPC A61C 5/35 (2017.02) [A61C 5/70 (2017.02); A61C 8/0016 (2013.01); A61C 8/0063 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A system for insertion into a root canal for obtaining a fastening element to support crowns, the system comprising:
a flexible sleeve, wherein the flexible sleeve comprises a root section with shape and diameters approximately equal to a root canal lumen, the root canal lumen having a central lumen in a conical or parallel shape, and a crown section with a slightly smaller shape of a tooth crown to be used,
wherein the root section of the flexible sleeve is filled with longitudinal or unidirectional fibers positioned parallel to its length and impregnated with uncured polymeric matrix, and
wherein the crown section of the flexible sleeve is filled with chopped fibers, or fibers in the form of blankets or fabrics multi-directionally arranged and impregnated with an uncured polymeric matrix, through an opening.