A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
A61C 5/08 (2006.01) A61C 13/00 (2006.01) A61C 13/30 (2006.01) A61K 6/083 (2006.01)
Patent
CA 2173843
A method and system for preparing a cast post and core in a dental root canal procedure is provided. The method comprises the steps of removing the root canal material from the tooth (49); cutting out a posthole (47) in the tooth having a substantially uniform width; cutting out at least one annular tier (56) along the hole (47); placing a burnout post (61) having at least one flange (67) into the posthole (47) so that the flange (67) is seated on the annular tier (56); applying an acrylic resin onto the tooth and over the burnout post (61) in order to form a core (75), and finally removing the core (75) with the burnout post (61) from the tooth in order to form a casting.
L'invention concerne un procédé et un système de préparation d'un tenon et d'un noyau destinés à la formation d'une pièce coulée utilisés dans un traitement de canal radiculaire. Ledit procédé consiste à enlever la matière du canal radiculaire de la dent (49), à découper dans la dent un orifice (47) d'une largeur relativement régulière destiné à recevoir le tenon, à découper au moins un gradin annulaire (56) dans l'orifice (47); à placer dans l'orifice (47) un tenon fusible (61) présentant au moins un rebord (67) de sorte que ce dernier (67) repose sur le gradin annulaire (56); à appliquer une résine acrylique sur la dent et le tenon fusible (61) de manière à former un noyau (75), et à enlever de la dent le noyau (75) avec le tenon fusible (61) pour ensuite former un objet coulé.
Cohen Brett I.
Deutsch Allan S.
Essential Dental Systems Inc.
R. William Wray & Associates
LandOfFree
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