Journal of Conservative Dentistry
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Year : 2017  |  Volume : 20  |  Issue : 2  |  Page : 72-75

Evaluation of different fibers and biodentine as alternates to crown coverage for endodontically treated molars: An in vitro study

1 Department of Conservative Dentistry and Endodontics, SAIMS, Indore, Madhya Pradesh, India
2 Department of Pediatric Dentistry, SAIMS, Indore, Madhya Pradesh, India
3 Department of Community Dentistry, Practioner, Dharwar, Karnataka, India
4 Department of Prosthodontics, Practioner, Hyderabad, Andhra Pradesh, India

Correspondence Address:
Hemalatha Hiremath
Department of Conservative Dentistry and Endodontics, SAIMS, Sanwer Road, Indore - 453 555, Madhya Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-0707.212248

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Objective: The objective of this study is to evaluate the fracture resistance of newer restorative materials that could serve as an alternate to crown coverage. Materials and Methods: Forty extracted human mandibular molar teeth were selected for this study and were divided into four groups (n = 10). All the teeth in the experimental groups (Group 2–4) were subjected to access cavity preparation with roughly 1.5 mm of tooth structure remaining throughout the circumference. Group 1: Intact teeth used as control. Group 2: Access cavities reinforced with biodentine. Group 3: Inner circumference of access cavities reinforced with polyethylene fiber and nano-hybrid composite. Group 4: Access cavities were reinforced with fiber reinforced composite. All the teeth were subjected to fracture resistance using universal testing machine. Results: The results of the study were evaluated statistically using one-way ANOVA and Tukey post hoc test. Group 2 demonstrated the least mean values of fracture resistance and was significantly different from the control and other experimental groups. Statistically significant difference among Groups 1, 3, and 4 was not found. Conclusion: Within the limitation of this in vitro study, it can be concluded that fiber reinforced composite and polyethylene fibers with nanohybrid composite could serve as an alternate to crown coverage.

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