Currently used systems of dental posts for endodontic treatment

Machado, Joana Cruz Marangon; Almeida, Paulo Joaquim; Fernandes, Sampaio; Marques, Arcelina; Vaz, Mário

doi:10.1016/j.prostr.2017.07.056

Cited by 23 publications

(16 citation statements)

References 33 publications

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“…Various methods are used to analyze stress distribution in post-core-restored endodontically treated tooth but the applicability of stress analyses is difficult in vivo this might attribute to difference in mechanical and physical properties of post-core-restored endodontically treated tooth tissues making it difficult to control related factors like amount of remaining tooth structure, load direction, and magnitude, tooth position…etc. On the other hand in-vitro tests the simulation of the oral environment is impossible [71][72][73] . To overcome these difficulties, FEA was used in this study to simulate the natural condition in the complex design.…”

Section: Discussionmentioning

confidence: 99%

Mechanical and thermal stress evaluation of PEEK prefabricated post with different head design in endodontically treated tooth: 3D-finite element analysis

2021

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An endodontic post is required to retain and support the core restoration in case of insufficient remaining coronal dentin after root canal therapy. This study analyzed the biomechanical and thermal behavior of PEEK prefabricated post after choosing the head design that produces the least amount of stress on the core and remaining tooth structure. These results were compared with the most common commercially available prefabricated post, which is titanium and glass fiber post. Thus a CBCT scanning of a maxillary central incisor with its supporting structure was used to construct a 3D solid model of an endodontically treated teeth for finite element analysis (FEA). The restored tooth with the spherical head design of PEEK prefabricated post yielded a more benign stress distribution and repairable failure mode on the crown, luting cement, core, and dentin under both mechanical and thermal loads, followed by glass fiber post and titanium post respectively.

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Section: Discussionmentioning

confidence: 99%

Mechanical and thermal stress evaluation of PEEK prefabricated post with different head design in endodontically treated tooth: 3D-finite element analysis

2021

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“…In such situations, post and core restorations are required for additional retention. 8 The resin fiber post is more similar in its characteristics to natural dentinal structure than any previously used post. It has excellent transverse strength and acts as a shock absorber dissipating much of the stress placed on the finished restoration, transmitting only a small fraction of these forces to the dentinal walls.…”

Section: Discussionmentioning

confidence: 99%

Post and Core Treatment of Maxillary Right Central Incisor Using a Fibre Post: A Case Report

2020

IJFMT

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Preserving a badly mutilated tooth has always been a challenge for the dentist. Patients usually approach to a dentist where there is significant loss in tooth structure. Post and core can be done in such a case for the restoration of the teeth. For success in such cases, proper post-selection is of utmost importance. This case report highlights the usage of post and core to save teeth with less crown structure using prefabricated fiber posts.

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“…The cylindrical posts have a very good retention and evenly distribute the stress along the entire length of the canal. The conical posts offer sufficient retention, with the preservation of the dentin in the coronary portion of the canal [ 6 ].…”

Section: Introductionmentioning

confidence: 99%

Fracture resistance of endodontically treated teeth restored with resin post reinforced with glass fiber

et al. 2021

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This study aims to determine whether the design of resin posts reinforced with glass fiber (FRC) and Reporfost (Angelus, Londrina, PR, Brazil) significantly improves the fracture resistance of endodontically treated teeth restored through this method.A batch of 30 maxillary monoradicular teeth (15 central incisors, 15 canines) were treated endodontically by step-back technique (apical enlargement 40-K file) sealed with Sealapex (Kerr Corporation, Orange, US) and gutta-percha by lateral condensation, cold. They were divided into two equal groups, prepared for cementing the FRC posts. The Exacto posts (Angelus, Londrina, PR, Brazil) in group 1 and the Reforpost posts (Angelus; Londrina; PR, Brazil) were cemented with dual cure resin cement Breeze Self-Adhesive Resin Cement (Pentron Clinical, Orange, US). Fracture resistance testing was performed on the crown-apical axial direction, using the Hounsfield / Tinius Olsen H1-KS, PA, USA mechanical testing apparatus. The behavior of each tooth-post assembly was recorded as a graph. The statistical analysis was done using one way ANOVA (α=0.05). The differences between the Exacto post group and the Reforpost post group are not statistically significant (p = 0.466). The maximum force recorded was 970 N and the minimum 186N. The mean force at which the fracture occurred was approximately 500N for both groups. The strain test showed that modifying the Reforpost post design did not improve the fracture resistance parameters of the tooth-post assembly through increasing the surface friction or maintaining adhesion to the walls of the root dentin.

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Currently used systems of dental posts for endodontic treatment

Cited by 23 publications

References 33 publications

Mechanical and thermal stress evaluation of PEEK prefabricated post with different head design in endodontically treated tooth: 3D-finite element analysis

Mechanical and thermal stress evaluation of PEEK prefabricated post with different head design in endodontically treated tooth: 3D-finite element analysis

Post and Core Treatment of Maxillary Right Central Incisor Using a Fibre Post: A Case Report

Fracture resistance of endodontically treated teeth restored with resin post reinforced with glass fiber

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