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Design concept to facilitate the positioning of a custom abutment on an implant
With the development of computer-aided design and computer-aided manufacturing (CAD-CAM) technology, implant abutments have been fabricated with nearly unlimited design options.1,2 When an implant indexing device has not been fabricated or is not available, additional chair time for placing a custom abutment on a hexagonal connection implant is needed, especially for multiple implant restorations, as the abutment can be positioned in 6 different orientations.3,4 This article describes a design concept for fabricating a custom abutment with a mark.Chairside fabrication of a tooth reduction guide to ensure adequate occlusal clearance
Adequate tooth preparation is essential for the long-term success of a crown.1,2 Occlusal reduction must be conservative of tooth structure but provide adequate space for the restorative material.1,2 Insufficient occlusal reduction, especially on the lingual surface of molars, may occur because of limited access and visibility.3Fabricating an altered cast to facilitate intraoral processing of the LOCATOR attachment
The LOCATOR attachment (Zest Anchors LLC) has been widely used for implant-retained overdentures (IODs),1,2 with several techniques for incorporating the attachment into the IOD proposed.3-6 When the indirect method is used, a strong bond between the matrix and acrylic resin can be achieved, and staining or porosities on the intaglio surface of the IOD are prevented.3 However, the method requires additional laboratory procedures and expense, LOCATOR impression posts (Zest Anchors LLC) and the LOCATOR analog (Zest Anchors LLC) are needed, and distortion during denture processing may occur.
