PubMed · 9571864
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C C Sullivan, H Yazdani. 1997. Reduction copings.. https://pubmed.ncbi.nlm.nih.gov/9571864/
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Silicone plugs used for obturating the access canal to retaining screws also act as antirotational devices for the screws; however, the procedures to obtain such an effect are complex and blind. The purpose of this article is to describe a method that would simplify the procedure and allow for checking of results. The proposed procedure is simple, efficient, and its results can be verified.
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Fixed partial denture abutments severely damaged by dental caries or fracture present a challenge to the dentist. The fixed partial denture may need to be removed for endodontic treatment with post and core fabrication. Frequently, the existing fixed partial denture can be recycled as a provisional restoration. Retrofitting the post and core greatly improves the stabilization of the interim as well as the remake of the definitive fixed partial denture. This article describes a chair side procedure for retrofitting posts and cores and, at the same appointment, converting the original fixed partial denture to an effective provisional restoration.