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      Dental fiber-post resin base material: a review

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          Abstract

          Teeth that have short clinical crown, which are not alone enough to support the definitive restoration can be best treated using the post and core system. The advantages of fiber post over conventional metallic post materials have led to its wide acceptance. In addition to that the combination of aesthetic and mechanical benefits of fiber post has provided it with a rise in the field of dentistry. Also the results obtained from some clinical trials have encouraged the clinicians to use the fiber posts confidently. Fiber posts are manufactured from pre-stretched fibers impregnated within a resin matrix. The fibers could that be of carbon, glass/silica, and quartz, whereas Epoxy and bis-GMA are the most widely used resin bases. But recently studies are also found to be going on for polyimide as possible material for the fiber post resin base as a substitute for the conventional materials.

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          Advanced polyimide materials: Syntheses, physical properties and applications

          Kueir-Rarn Lee, Chang-Sik Ha, Kung-Li Wang … (2012)
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            Current perspectives on post systems: a literature review.

            M Ferrari, C Goracci (2011)
            This literature review summarizes the most recent and reliable evidence on post systems. A search was limited to review articles published over the last 10 years in dental journals with an impact factor. Papers cited in the initially retrieved review articles were also included if significant. Preservation of tooth tissue, presence of a ferrule effect, and adhesion are regarded as the most effective conditions for long-term success of post-endodontic restorations. Adhesively luted fibre-reinforced composite post restorations have demonstrated satisfactory survival rates over relatively long follow-up periods. The clinical effectiveness of such restorations has been mainly ascribed to the more biomimetic behaviour of fibre-reinforced composite posts that reduces the risk of vertical root fractures. The most common type of failure when using fibre posts is post debonding and it is generally agreed that achieving stable adhesion to intraradicular dentine is more challenging than to coronal dentine. Several factors related to endodontic treatment, root canal shape, post space preparation, post translucency, adhesive cement handling and curing may have an influence on the outcome of the luting procedure. The most reliable results in fibre post cementation are obtained by etch-and-rinse adhesives in combination with dual-cure resin cements. The use of self-adhesive resin cements has also been proposed. Simplification is an obvious advantage of these new materials. However, the durability of their bond still needs to be verified with long-term clinical studies. Several techniques for pre-treating the fibre-reinforced composite post surface have been tested with the aim of improving the bond strength at the post-core and post-cement interfaces. Silicoating followed by silanization currently appears to be the most effective and convenient method for this purpose. In conclusion, the available evidence validates the use of fibre posts as an alternative to metal posts and preferably to other tooth-coloured posts, such as zirconia dowels, in the restoration of endodontically treated teeth. Longer term clinical trials are expected to further strengthen this evidence. © 2011 Australian Dental Association.
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              Resistance to fracture of endodontically treated teeth restored with different post systems.

              Begüm Akkayan, Turgut Gülmez (2002)
              Very little is known about the resistance to fracture of endodontically treated teeth restored with newly developed esthetic post systems. Purpose. This in vitro study compared the effect of 1 titanium and 3 esthetic post systems on the fracture resistance and fracture patterns of crowned, endodontically treated teeth. A total of 40 recently extracted human maxillary canines with their crowns removed were endodontically treated. Four groups of 10 specimens were formed. Teeth were restored with titanium, quartz fiber, glass fiber, and zirconia posts and numbered as groups 1, 2, 3, and 4, respectively. All posts were cemented with Single Bond dental adhesive system and dual-polymerizing RelyX ARC adhesive resin cement. All teeth were restored with composite cores, and metal crowns were fabricated and cemented with glass ionomer cement. Each specimen was embedded in acrylic resin and then secured in a universal load-testing machine. A compressive load was applied at a 130-degree angle to the long axis of the tooth until fracture, at a crosshead speed of 1 mm/min. One-way analysis of variance and a Tukey test were used to determine the significance of the failure loads between groups (P .05). Fractures that would allow repair of the tooth were observed in groups 2 and 3, whereas unrestorable, catastrophic fractures were observed in groups 1 and 4 (P<.001). Within the limitations of this study, significantly higher failure loads were recorded for root canal treated teeth restored with quartz fiber posts. Fractures that would allow repeated repair were observed in teeth restored with quartz fiber and glass fiber posts.
              Article 0 comments Cited 77 times – based on 0 reviews     Review now
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                Author and article information

                Journal
                Journal ID (nlm-ta): J Adv Prosthodont
                Journal ID (iso-abbrev): J Adv Prosthodont
                Journal ID (publisher-id): JAP
                Title: The Journal of Advanced Prosthodontics
                Publisher: The Korean Academy of Prosthodontics
                ISSN (Print): 2005-7806
                ISSN (Electronic): 2005-7814
                Publication date (Print): February 2014
                Publication date (Electronic): 14 February 2014
                Volume: 6
                Issue: 1
                Pages: 60-65
                Affiliations
                [1 ]Department of Prosthodontics, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
                [2 ]Shanghai Key Laboratory of Stomatology, Shanghai, China.
                Author notes
                Corresponding author: Aashwini Lamichhane. Department of Prosthodontics, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China. Tel. 862123271699Ext5691: iamaashwini@ 123456hotmail.com
                Article
                DOI: 10.4047/jap.2014.6.1.60
                PMC ID: 3942529
                PubMed ID: 24605208
                SO-VID: 19822409-6aea-4571-9eed-e181b9e58d2d
                Copyright © © 2014 The Korean Academy of Prosthodontics
                License:

                This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                Date received : 10 August 2013
                Date revision received : 30 December 2013
                Date accepted : 13 January 2014
                Categories
                Subject: Review Article

                ScienceOpen disciplines: Dentistry
                Keywords: fiber post,resin base,dentin,epoxy,polyimide
                Data availability:
                ScienceOpen disciplines: Dentistry
                Keywords: fiber post, resin base, dentin, epoxy, polyimide

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