One of the primary objectives of endodontic therapy is to establish an adequate seal with the root canal filling material. The placement of an immediate coronal buildup at obturation, in conjunction with the rubber dam isolation, allows an endodontic seal to be extended from the portals of apical and lateral exit to the cavosurface margin. As a result of this immediate buildup, the length of the seal and the longevity of the endodontic treatment are presumably extended. This article describes an effective means of performing the immediate core buildup of endodontically treated teeth.
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