Bond strength of fiber posts and short fiber-reinforced composite to root canal dentin following cyclic loading

Introduction. Inadequate root canal preparation and obturation are potential causes of endodontic failure. Failed root canal treatment with intrinsic discoloration requires root canal re-treatment and intracoronal bleaching. Due to the extensive loss of hard tissues on occlusal area, the restoration requires intracanal retention with short fiber-reinforced composite. Case report. A 17-year-old male patient came to the Clinic of Conservative Dentistry Dental Hospital Prof. Soedomo. He reported pain and discomfort on maxillary first premolar while chewing after root canal procedure had been performed few months before. He felt unconvinience with the discoloration happened on those tooth. Patient had endodontic treatment one year ago and the tooth was restored with glass ionomer cement. Objective examination showed glass ionomer restoration was still in good condition, the tooth was sensitive to percussion but not to palpation, and showed no mobility. Periapical radiograph showed incomplete obturation with radioluscent around periapical region. Retreatment followed by intracoronal bleaching was performed under rubber dam isolation. Tooth was restored with short fiber reinforced composite and composite resin. After 3 month, patient was recalled for examine the previous sign and symptomps. Periapical radiograph showed diameter of periapical lesion was smaller and tooth functioned normally. Conclusion. Root canal retreatment and intracoronal bleaching are suitable options for teeth with failed root canal treatment and intrinsic discoloration

Download Full-text

Surface Treatments for Improving Bond Strength to Prefabricated Fiber Posts: A Literature Review

Operative Dentistry ◽

10.2341/07-86 ◽

2008 ◽

Vol 33 (3) ◽

pp. 346-355 ◽

Cited By ~ 70

Author(s):

F. Monticelli ◽

R. Osorio ◽

F. T. Sadek ◽

I. Radovic ◽

M. Toledano ◽

...

Keyword(s):

Literature Review ◽

Bond Strength ◽

Clinical Relevance ◽

Surface Treatments ◽

Fiber Reinforced ◽

Resin Cements ◽

Adhesion Mechanism ◽

Fiber Reinforced Composite ◽

Fiber Posts ◽

Reinforced Composite

Clinical Relevance Several surface treatments have been proposed for improving the bonding of resin cements or core materials to FRC (fiber-reinforced composite) posts. The possibility of combining chemical and micromechanical retention on post surface provides the most promising adhesion mechanism.

Download Full-text

COMPOSITE RESIN RESTORATION WITH FIBER REINFORCED COMPOSITE AFTER ROOT CANAL TREATMENT OF NECROTIC PULP TOOTH WITH GUMBOIL

Jurnal Teknosains ◽

10.22146/teknosains.41113 ◽

2021 ◽

Vol 10 (2) ◽

pp. 103

Author(s):

Dessy Natalia ◽

Yulita Kristanti

Keyword(s):

Root Canal ◽

Composite Resin ◽

Short Fiber ◽

Root Canal Treatment ◽

Preparation Technique ◽

Fiber Reinforced ◽

Fiber Reinforced Composite ◽

Reinforced Composite ◽

Mandibular Molar ◽

Composite Resin Restoration

Gumboil is inflammation reaction in the gum caused by pulp infection. Gumboil is seen as an oral lesion characterized by a soft erythematous papule where a periapical abcess is draining into the oral cavity. An adequate root canal treatment can cure gumboil and remove bacteria from the root canal. To support the success of root canal treatment, final restoration used in this case is composite resin restoration with reinforcing fiber (short fiber reinforced composite). The purpose of this treatment was to restore the functions of tooth in mastication and preserving the supporting tissue. A female patient age 23 years old came with complaints of pain in the lower right mandibular molar accompanied by swelling of the gums around the teeth since a week ago. Swelling is intermittent since last 3 months. The tooth have been restored for about 3 years ago. Clinical examination showed a positive percussion, positive palpation, negative vitality, and negative mobility. Radiographic examination showed bifurcation and periapical lesions. Root canal treatment is performed with crown down preparation technique and followed by direct composite resin restoration with short fiber reiforced composite. The success of root canal treatment followed by composite resin restoration with short fiber reinforced fiber is marked by the absence of complaints as well as the dissappearance of gumboil.

Download Full-text

Retentive strength of fiber-reinforced composite posts with composite resin cores: Effect of remaining coronal structure and root canal dentin conditioning protocols

Journal of Prosthetic Dentistry ◽

10.1016/j.prosdent.2015.06.015 ◽

2015 ◽

Vol 114 (6) ◽

pp. 856-861 ◽

Cited By ~ 15

Author(s):

Samah Saker ◽

Mutlu Özcan

Keyword(s):

Root Canal ◽

Composite Resin ◽

Coronal Structure ◽

Fiber Reinforced ◽

Fiber Reinforced Composite ◽

Reinforced Composite ◽

Root Canal Dentin ◽

Dentin Conditioning ◽

Resin Cores

Download Full-text

Bond Strength of Composite Resin Luting Cements to Fiber-reinforced Composite Root Canal Post

The Journal of Contemporary Dental Practice ◽

10.5005/jcdp-8-6-17 ◽

2007 ◽

Vol 8 (6) ◽

pp. 17-24 ◽

Cited By ~ 3

Author(s):

Lippo Lassila ◽

Anna-Maria Le Bell-Rönnlöf ◽

Milla Lahdenperä ◽

Pekka Vallittu

Keyword(s):

Bond Strength ◽

Root Canal ◽

Composite Resin ◽

Interpenetrating Polymer Network ◽

Fiber Reinforced ◽

Luting Cements ◽

Fiber Reinforced Composite ◽

Reinforced Composite ◽

Luting Cement ◽

Bond Strengths

Abstract Aims The aim of this study was to compare the attachment of different composite resin luting cements to a fiber-reinforced composite (FRC) post with a semi-interpenetrating polymer network polymer matrix. Methods and Materials Six different brands of composite resin luting cement stubs were applied on the surface of FRC post material and light-cured for 40 seconds. Shear bond strengths of luting cement stubs were measured using a universal testing machine. Results The differences in shear bond strengths between the cements were not statistically significant. Conclusion All of the tested composite resin luting cements provided acceptable attachment to the tested FRC post. The tested FRC post material is suitable to use with different composite resin luting cements. Citation Le Bell-Rönnlöf AM, Lahdenperä M, Lassila L, Vallittu P. Bond Strength of Composite Resin Luting Cements to Fiber-reinforced Composite Root Canal Post. J Contemp Dent Pract 2007 September; (8)6:017-024.

Download Full-text

Influence of Post-Core and Crown Type on the Fracture Resistance of Incisors Submitted to Quasistatic Loading

Polymers ◽

10.3390/polym13071130 ◽

2021 ◽

Vol 13 (7) ◽

pp. 1130

Author(s):

Sadullah Uctasli ◽

Yakup Boz ◽

Sercan Sungur ◽

Pekka K. Vallittu ◽

Sufyan Garoushi ◽

...

Keyword(s):

Fracture Resistance ◽

Short Fiber ◽

Fiber Reinforced ◽

Loading Test ◽

Fiber Reinforced Composite ◽

Failure Type ◽

Fiber Posts ◽

Reinforced Composite ◽

Luting Cement ◽

Cad Cam

The aim of this paper was to evaluate the fracture resistance and failure type of maxillary incisor teeth, rebuilt with various types of post-core restorations and full crowns made of either direct conventional particulate filler composite (PFC, G-aenial Anterior, GC, Tokyo, Japan) or indirect CAD/CAM restorations (composite Cerasmart 270 and glass ceramic LiSi Block from GC). One hundred (n = 10/group) central incisors were cut and divided into 10 experimental groups restored with different approaches. In approach A, teeth were restored with a core build-up composite (Gradia Core, GC) for a core and full crown of PFC. Approach B had teeth restored using composite core and prefabricated fiber posts, and a complete crown of either PFC or CAD/CAM. Approach C contained teeth restored with a core of short fiber-reinforced composite (everX Flow, GC) and prefabricated fiber posts, and a complete crown of either PFC or CAD/CAM. In approach D, the teeth had a core of short fiber-reinforced composite only, and a complete crown of either PFC or CAD/CAM restorations. The root canals were prepared, and when posts were used, they were luted with either a dual-cure resin cement (LinkForce, GC) or everX Flow. As the control, sound teeth (n = 10) were used. Restorations were quasi-statically loaded until fracture. Failure type was visually investigated. The interface between the fiber post and luting cement was investigated using SEM, before and after completion of the loading test. The data were analyzed by analysis of variance (p = 0.05) followed by Tukey’s test. None of the restorative approaches restored the fracture load strength of intact teeth (p < 0.05). Restorations with additional fiber posts (Approaches B and C) had higher load-bearing capacity (p < 0.05) than restorations without fiber posts (Approaches A and D). Restorations that had short fiber-reinforced composite cores with or without fiber posts presented more repairable failures. Using short fiber-reinforced composite as post-luting and core build-up material with conventional fiber posts proved to be a promising method to strengthen severely damaged incisors.

Download Full-text

Bond Strength of Fiber-reinforced Posts to Deproteinized Root Canal Dentin

The Journal of Contemporary Dental Practice ◽

10.5005/jp-journals-10024-1583 ◽

2014 ◽

Vol 15 (5) ◽

pp. 581-586 ◽

Cited By ~ 3

Author(s):

Adilson Yoshio Furuse ◽

Leonardo Fernandes Cunha ◽

Samantha Pugsley Baratto ◽

Denise Piotto Leonardi ◽

Gisele Aihara Haragushiku ◽

...

Keyword(s):

Ascorbic Acid ◽

Bond Strength ◽

Root Canal ◽

Sodium Ascorbate ◽

Fiber Reinforced ◽

Fiber Posts ◽

Etch And Rinse ◽

One Step ◽

Root Canal Dentin ◽

Push Out

ABSTRACT Aim This study evaluated the push-out bond strength of cemented fiber posts after deproteinization of root canal dentin walls with NaOCl. The effect of the application of an antioxidant solution (sodium ascorbate) was also evaluated. Materials and methods A three-step etch-and-rinse (Scotchbond - 3M Espe) and a one-step self-etching adhesive (Xeno III - Dentsply Caulk) were evaluated. Thirty bovine incisor roots were divided into 3 groups: a. Irrigation with physiologic solution (control). b. Deproteinization with 10 minutes irrigation of 5% NaOCl. c. Deproteinization with NaOCl followed by 10 minutes irrigation with 10% ascorbic acid. Fiber posts were cemented with a dual-cured cement (Rely X ARC - 3M ESPE). The push-out bond strength was evaluated after 24 hours of storage in distilled water. The data were analyzed with three-way ANOVA, one-way ANOVA and Tukey's test (á = 0.05). Results There were significant differences between groups (p < 0.05). The bond strength of Scotchbond was not influenced by the deproteinization. Xeno III showed a decrease in bond strength when deproteinized with 5% NaOCl (p < 0.05). For Xeno III, the subsequent irrigation with ascorbic acid was able to reverse the effect of the deproteinization. Considering the radicular thirds, the bond strength varied in the sequence—apical < middle < coronal. Conclusion Only the all-in-one adhesive was influenced by the deproteinization. Considering the respective control groups, both systems showed similar bond strength results. Clinical significance The decreased bond strength of the selfetching adhesive following deproteinization seams to be related to the oxidant effect of the NaOCl solution and the subsequent irrigation with ascorbic acid was able to reverse the effect of the deproteinization. How to cite this article Furuse AY, Cunha LF, Baratto SP, Leonardi DP, Haragushiku GA, Gonzaga CC. Bond Strength of Fiber-reinforced Posts to Deproteinized Root Canal Dentin. J Contemp Dent Pract 2014;15(5):581-586.

Download Full-text

Evaluation of Shear Bond Strength of Fiber-reinforced Composite and Methacrylate-based Composite to Pure Tricalcium-based Cement

CODS Journal of Dentistry ◽

10.5005/jp-journals-10063-0007 ◽

2016 ◽

Vol 8 (1) ◽

pp. 25-27

Author(s):

Ravula A Reddy ◽

RS Basavanna

Keyword(s):

Bond Strength ◽

Shear Bond Strength ◽

Testing Machine ◽

High Stress ◽

Short Fiber ◽

Strength Analysis ◽

Fiber Reinforced ◽

Fiber Reinforced Composite ◽

Reinforced Composite ◽

Group I

ABSTRACT Aim Fracture of restorative composite is reported as a common reason for replacement. Due to failures of this kind, it is still controversial whether restorative composites should be used in large, high-stress-bearing applications, such as in direct posterior restorations. The high brittleness of current composites hinders their use in large stress-bearing areas. Thus, recently short fiber-reinforced composite was introduced as dental restorative composite resin. The aim of the article is to evaluate shear bond strength of fiber-reinforced composite (everX Posterior) and methacrylate-based composite (FILTEK Z250) to pure tricalcium silicate-based cement (biodentine). Materials and methods Acrylic blocks (n = 30) with 2 mm high and 5 mm diameter central holes were prepared. The samples were taken and filled with biodentine and were divided into two groups containing 15 in each group. Group I: Fiber-reinforced composite. Group II: Methacrylate-based composite, which are layered over biodentine. The specimens are transferred to the universal testing machine and subjected to shear bond strength analysis at a cross-head speed of 1.0 mm/minute. Results The bond strength values were significantly higher in case of fiber-reinforced composite when compared with methacrylate-based composite. Conclusion Within the limitations of the study, it was concluded that the fiber-reinforced composite with biodentine had highest bond strength when compared with methacrylate-based composite. Clinical significance Fiber-reinforced composite has excellent fatigue resistance because the embedded fibers are bonded to the polymer matrix and allow the stresses to be distributed effectively throughout the restoration. They are most suitable for applications in which the direction of highest stress is predictable. They are used in cavities with three or more surfaces missing and also in large-sized cavities. They are extensively used in cavities where inlays and onlays are prescribed. How to cite this article Reddy RA, Basavanna RS. Evaluation of Shear Bond Strength of Fiber-reinforced Composite and Methacrylate-based Composite to Pure Tricalcium-based Cement. CODS J Dent 2016;8(1):25-27.

Download Full-text