title: Restorative Case Report: Flexibility of Fibre-Posts.
abstract: Restoration of an anterior root-filled tooth with little remaining coronal tooth-tissue can utilise a post to retain a core, enabling definitive restoration. Post material was, until recently, primarily metal--be it cast or prefabricated. Currently, fibre-posts are promoted as being advantageous due to a favourable failure mechanism which may protect the root from fracture. This Case Report demonstrates failure of the structural integrity of a fibre-post in a maxillary lateral incisor, with a proposed explanation. Retreatment employed a diamond-coated ultrasonic tip for removal of the residual fibre-post and restoration with a cast-post and metal ceramic crown.
authors.forename: Paula E
authors.initials: PE
authors.lastname: Lancaster
mesh_terms: D003188:Composite Resins / Q000737:chemistry*; D003442:Crowns; D003722:Dental Alloys / Q000737:chemistry; D003764:Dental Materials / Q000737:chemistry*; D017267:Dental Prosthesis Design; D019232:Dental Restoration Failure; D005260:Female; D006801:Humans; D007180:Incisor; D008875:Middle Aged; D018583:Pliability; D011176:Post and Core Technique / Q000295:instrumentation*; D019233:Retreatment; D019553:Tooth, Nonvital / Q000628:therapy
chemical_list: D003188:Composite Resins; D003722:Dental Alloys; D003764:Dental Materials