Evaluation of different custom angulated elastic glass fibre post on fracture resistance of maxillary central incisor: an in vitro study.


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Published: Aug 1, 2021
DOI: https://doi.org/10.37983/IJDM.2021.3303
Keywords:
Collum angle, Everstick post, Endodontically treated teeth, Fracture resistance, Universal testing machine
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Original Articles
Statistic

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Srikrishna Teja Marisetty
Vishnu Dental College
https://orcid.org/0000-0003-0994-7965
K Madhu Varma
Vishnu Dental College
Girija S Sajjan
Vishnu Dental College
Vishal Babu Kolla
Vishnu Dental College
https://orcid.org/0000-0002-5299-2297
K Nanda Kishore
Vishnu Dental College
Mohammad Raheem
Vishnu Dental College

Abstract

Background: Restoring Endodontically treated teeth (ETT) can be challenging for most dentists, particularly when a significant tooth structure is lost. Depending on the coronal tooth structure remaining and the technique used (direct or indirect), endodontic anchorage can involve either a cast post and core or a prefabricated post.


Aim: This study aimed to investigate the effect of different custom angulated, i.e.,0°,5°,10°,15° elastic glass fibre post (Everstick post) on fracture resistance of maxillary central incisors.


Materials and methods:  A total of forty-eight single-rooted maxillary central incisors were selected. All the samples were decoronated 2mm above the CEJ and endodontically treated. Post-space preparation was done for all the samples using peesoreamers ranging in size from 1-3.  The samples were then randomly divided into four groups (n=12) based on the different angulations, i.e., the angle between the core and the long axis of the root, with 0°, 5°, 10°, and 15° angulations, respectively. The fit of each post in the root canal was verified. Before cementation, the coronal part of each post was bent according to their respective groups. Dual-cure resin cement was used for luting the posts and cured subsequently. The fracture resistance of all the samples was evaluated using the universal testing machine after they were mounted in self-cure acrylic resin blocks. The data were analysed using One- way ANOVA and Tukey’s post-hoc test.


Results: Group I exhibited the highest mean fracture resistance compared to other groups. However, One-way ANOVA showed no significant differences (p=0.161) between the four groups.


Conclusion: Everstick fibre posts are a preferable alternative for maxillary central incisors with core angulations up to 15° between coronal and radicular segments as they provide better fracture resistance with a more favourable stress distribution.

Article Details


How to Cite
Marisetty, S. T., Madhu Varma, K., Sajjan, G. S., Kolla, V. B., Nanda Kishore, K., & Raheem, M. (2021). Evaluation of different custom angulated elastic glass fibre post on fracture resistance of maxillary central incisor: an in vitro study. International Journal of Dental Materials, 3(3), 84–89. https://doi.org/10.37983/IJDM.2021.3303
Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

This work is licensed under a Creative Commons Attribution 4.0 International License.

Author Biographies

Srikrishna Teja Marisetty, Vishnu Dental College

Postgraduate Student, Department of Conservative Dentistry and Endodontics, Vishnu Dental College, Bhimavaram, Andhra Pradesh, India.

K Madhu Varma, Vishnu Dental College

Professor, Department of Conservative Dentistry and Endodontics, Vishnu Dental College, Bhimavaram, Andhra Pradesh, India.

Girija S Sajjan, Vishnu Dental College

Professor and Head, Department of Conservative Dentistry and Endodontics, Vishnu Dental College, Bhimavaram, Andhra Pradesh, India.

Vishal Babu Kolla, Vishnu Dental College

Post Graduate student, Department of Conservative Dentistry and Endodontics, Vishnu Dental College, Bhimavaram, Andhra Pradesh, India.

K Nanda Kishore, Vishnu Dental College

Post Graduate student, Department of Conservative Dentistry and Endodontics, Vishnu Dental College, Bhimavaram, Andhra Pradesh, India.

Mohammad Raheem, Vishnu Dental College

Post Graduate student, Department of Conservative Dentistry and Endodontics, Vishnu Dental College, Bhimavaram, Andhra Pradesh, India.

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