References

Schwartz RS, Robbins JW Post placement and restoration of endodontically treated teeth: a literature review. J Endodont. 2004; 30:289-301
Theodosopoulou JN, Chochlidakis KM A systematic review of dowel (post) and core materials and systems. J Prosthodont. 2009; 18:464-472
Maccari PC, Cosme DC, Oshima HM Fracture strength of endodontically treated teeth with flared root canals and restored with different post systems. J Esthet Rest Dent. 2007; 19:30-36
Verissimo C, Simamoto Junior PC Effect of the crown, post, and remaining coronal dentin on the biomechanical behavior of endodontically treated maxillary central incisors. J Prosthet Dent. 2014; 111:234-246
Baba NZ, Golden G, Goodacre CJ Nonmetallic prefabricated dowels: a review of compositions, properties, laboratory, and clinical test results. J Prosthodont. 2009; 18:527-536
Nakamura T, Ohyama T, Waki T Stress analysis of endodontically treated anterior teeth restored with different types of post material. Dent Mater J. 2006; 25:145-150
Stankiewicz N, Wilson P The ferrule effect. Dent Update. 2008; 35:222-228
Ahmed SN, Donovan TE, Ghuman T Survey of dentists to determine contemporary use of endodontic posts. J Prosthet Dent. 2017; 117:642-645
Mattison GD, Delivanis PD, Thacker RW, Hassell KJ Effect of post preparation on the apical seal. Prosthet Dent. 1984; 51:785-789
Mannocci F, Machmouridou E, Watson TF Microtensile bond strength of resin–post interfaces created with interpenetrating polymer network posts or cross-linked posts. Med Oral Patol Oral Cir Bucal. 2008; 13:E745-752
Fernandes AS, Dessai GS Factors affecting the fracture resistance of post-core reconstructed teeth: a review. Int J Prosthodont. 2001; 14:355-363
Peroz I, Blankenstein F, Lange K-P, Naumann M Restoring endodontically treated teeth with posts and cores – a review. Quintessence Int. 2005; 36
Sorensen JA, Martinoff JT Clinically significant factors in dowel design. J Prosthet Dent. 1984; 52:28-35
Jotkowitz A, Samet N Rethinking ferrule – a new approach to an old dilemma. Br Dent J. 2010; 209:25-33
Makarewicz D, Le Bell-Rönnlöf A-MB, Lassila LVJ, Vallittu PK Effect of cementation technique of individually formed fiber-reinforced composite post on bond strength and microleakage. Open Dent J. 2013; 7:68-75
Muttlib NAA, Azman ANP, Seng YT Intracanal adaptation of a fiber reinforced post system as compared to a cast post-and-core. Acta Stomatol Croat. 2016; 50:329-336
Fox K, Gutteridge DL An in vitro study of coronal microleakage in root-canal-treated teeth restored by the post and core technique. Int Endod J. 1997; 30:361-368
Qualtrough AJ, Mannocci F Tooth-colored post systems: a review. Oper Dent. 2003; 28:86-91
Beltagy T Fracture resistance of rehabilitated flared root canals with anatomically adjustable fiber post. Tanta Dent J. 2017; 14:96-103
Qian YM, Zhong Q, Chen S [Comparison of clinical effects of Co–Cr alloy cast post-core and everStick fiber post in restoration of labially or lingually inclined maxillary central incisor]. Shanghai J Stomatol. 2017; 26:89-93
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Individually Formed Glass Fibre Reinforced Composite Posts for Compromised Teeth with Oval and Flared Endodontic Canals

From Volume 48, Issue 1, January 2021 | Pages 62-67

Authors

Ayman AL-Oulabi

BDS, MResDent (Prosthodontics), MFDS RCSEd, FRACDS

BDS, MFDS RCSEd, FRACDS, Postgraduate Trainee

Articles by Ayman AL-Oulabi

Email Ayman AL-Oulabi

Yew Hin Beh

DDS, MFDS RCSEd, Postgraduate Trainee

Articles by Yew Hin Beh

Zaihan Ariffin

BDS, Grad DipClinDent, DClinDent, FRACDS, Associate Professor

Articles by Zaihan Ariffin

Email Zaihan Ariffin

Yanti Johari

BDSc, GradDipClinDent, DClinDent (Prosthodontics)

BDSc, Grad DipClinDent, DClinDent, FRACDS, Senior Lecturer, Prosthodontics Unit, School of Dental Sciences, Universiti Sains Malaysia, Kelantan, Malaysia.

Articles by Yanti Johari

Abstract

Potential excessive removal of tooth structure during retreatment, and canal preparation for a post will weaken the tooth substantially. An alternative to prefabricated or cast metal and fibre posts, is a soft and flexible fibre-reinforced composite post that can be used to aid a good adaptation and preserve the tooth structure. These two case reports highlight the use of fibre-reinforced composite posts in teeth with severe loss of tooth structure with wide flared and oval canals.

CPD/Clinical Relevance: Case selection and proper treatment planning are important before considering and selecting any type of post placement.

Article

The primary purpose of a post is to retain the core and coronal restoration in teeth that have suffered substantial loss of tooth structure.1 Various materials and techniques have been proposed for the restoration of endodontically treated teeth.2 Traditionally, prefabricated and cast (custom) metal posts have been used. Cast metal posts and cores offer the best canal adaptation and overall fit compared to prefabricated fibre posts.3 However, these posts have many associated disadvantages, such as discolouration, corrosion and a high modulus of elasticity, greater than that of dentine, which can concentrate stresses on the dentine and may lead to an increased risk of catastrophic root fracture.4 With the increased demand for tooth-coloured posts, several non-metallic posts, such as fibre-reinforced posts, have been marketed to improve aesthetics and the adhesion of the post to the dental structure. Different examples of fibre-reinforced posts are epoxy resin posts reinforced with carbon fibres, epoxy or methacrylate resin posts reinforced with quartz or glass fibres, zirconia posts, and ultra-high polyethene fibre-reinforced posts.5In vitro and in vivo studies have found that glass-fibre posts and resin cores are an excellent alternative to metal and other non-metallic posts because of their modulus of elasticity, which is closer to that of dentine, decreasing the risk of root fracture.2,6Table 1 shows the modulus of elasticity of dentine and various post materials.7

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