Journal of Conservative Dentistry
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Year : 2022  |  Volume : 25  |  Issue : 5  |  Page : 555-560

Comparative evaluation of fracture resistance of endodontically treated maxillary premolars reinforced by customized glass fiber post in two different ways: An in vitro study

1 Restorative Dentistry, School of Dentistry, International Medical University, Kuala Lumpur, Malaysia
2 Consultant Endodontist, Thane, Mumbai, India
3 Department of Restorative Dentistry, Faculty of Dentistry, Malaysian Allied Health Sciences Academy University, Selangor, Malaysia

Correspondence Address:
Dr. Naveen Chhabra
Restorative Dentistry Division, School of Dentistry, International Medical University, Bukit Jalil, Kuala Lumpur
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jcd.jcd_270_22

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Context: Endodontically treated premolars are currently restored with direct bonded techniques in conservative manner enabling them to bear functional stresses homogeneously. Aim: The study aimed to evaluate the effect of placement of compactable glass fibers in reinforcing the endodontically treated teeth in a novel conservative manner. Settings and Design: Research laboratory, in vitro study. Materials and Methods: Seventy-five extracted maxillary premolars were procured. Fifteen teeth were left untreated (Group A) and the remaining teeth were endodontically treated followed by standardized mesio-occluso-distal preparation and randomly assigned to experimental groups (n = 15) as follows: (B) no restoration, (C) restoration with composite, (D) EverStick® POST followed by composite, and (E) vertical glass fibers within 3 mm of the coronal root canal space and buccopalatal flaring of the coronal fibers followed by composite. After conditioning and thermocycling, specimens were loaded under a universal testing machine to evaluate fracture resistance and fracture pattern of specimens. Statistical Analysis Used: Obtained scores were statistically analyzed using one-way analysis of variance test for stress analysis, post hoc Tukey's test for intergroup comparison, and Chi-square test for analysis of favorable and unfavorable fracture. Results: The fracture resistance was highest to lowest as follows: Group A > E > C > D > B (P < 0.001). Conclusion: EverStick®POST used in conservative manner improved fracture strength of teeth significantly.

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